Query Processing Events Data Columns

The Query Processing Events event category has the following event classes:

Event ID Event Name Event Description
70 Query Cube Begin Query cube begin.
71 Query Cube End Query cube end.
72 Calculate Non Empty Begin Calculate non empty begin.
73 Calculate Non Empty Current Calculate non empty current.
74 Calculate Non Empty End Calculate non empty end.
75 Serialize Results Begin Serialize results begin.
76 Serialize Results Current Serialize results current.
77 Serialize Results End Serialize results end.
78 Execute MDX Script Begin Execute MDX script begin.
79 Execute MDX Script Current Execute MDX script current. Deprecated.
80 Execute MDX Script End Execute MDX script end.
81 Query Dimension Query dimension.
11 Query Subcube Query subcube, for Usage Based Optimization.
12 Query Subcube Verbose Query subcube with detailed information. This event may have a negative impact on performance when turned on.
60 Get Data From Aggregation Answer query by getting data from aggregation. This event may have a negative impact on performance when turned on.
61 Get Data From Cache Answer query by getting data from one of the caches. This event may have a negative impact on performance when turned on.
82 VertiPaq SE Query Begin VertiPaq SE query
83 VertiPaq SE Query End VertiPaq SE query
84 Resource Usage Reports reads, writes, cpu usage after end of commands and queries.
85 VertiPaq SE Query Cache Match VertiPaq SE query cache use
98 Direct Query Begin Direct Query Begin.
99 Direct Query End Direct Query End.

The following tables list the data columns for each of these event classes.

Query Cube Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Query Cube End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Calculate Non Empty Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Calculate Non Empty Current

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

1: Get Data

2: Process Calculated Members

3: Post Order
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Calculate Non Empty End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Serialize Results Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Serialize Results Current

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class.

1: Serialize Axes

2: Serialize Cells

3: Serialize SQL Rowset

4: Serialize Flattened Rowset
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Serialize Results End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Execute MDX Script Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

1: MDX Script

2: MDX Script Command
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Execute MDX Script Current

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Execute MDX Script End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

1: MDX Script

2: MDX Script Command
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Query Dimension

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class.

1: Cache data

2: Non-cache data
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectType 12 1 Object type.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Query Subcube

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

1: Cache data

2: Non-cache data

3: Internal data

4: SQL data

11: Measure Group Structural Change

12: Measure Group Deletion
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Query Subcube Verbose

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

21: Cache data

22: Non-cache data

23: Internal data

24: SQL data
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Get Data From Aggregation

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Get Data From Cache

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class.

1: Get data from measure group cache

2: Get data from flat cache

3: Get data from calculation cache

4: Get data from persisted cache
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

VertiPaq SE Query Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

0: VertiPaq Scan

1: Tabular Query

2: User Hierarchy Processing Query

10: VertiPaq Scan internal

11: Tabular Query internal

12: User Hierarchy Processing Query internal
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
JobID 7 1 Job ID for progress.
SessionType 8 8 Session type (what entity caused the operation).
ObjectID 11 8 Object ID (note this is a string).
ObjectType 12 1 Object type.
ObjectName 13 8 Object name.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ObjectReference 15 8 Object reference. Encoded as XML for all parents, using tags to describe the object.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

VertiPaq SE Query End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class.

0: VertiPaq Scan

1: Tabular Query

10: VertiPaq Scan internal

11: Tabular Query internal
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
JobID 7 1 Job ID for progress.
SessionType 8 8 Session type (what entity caused the operation).
ProgressTotal 9 1 Progress total.
IntegerData 10 1 Integer data.
ObjectID 11 8 Object ID (note this is a string).
ObjectType 12 1 Object type.
ObjectName 13 8 Object name.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ObjectReference 15 8 Object reference. Encoded as XML for all parents, using tags to describe the object.
Severity 22 1 Severity level of an exception.
Success 23 1 1 = success. 0 = failure (for example, a 1 means success of a permissions check and a 0 means a failure of that check).
Error 24 1 Error number of a given event.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Resource Usage

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
ClientProcessID 36 1 The process ID of the client application.
ApplicationName 37 8 Name of the client application that created the connection to the server. This column is populated with the values passed by the application rather than the displayed name of the program.
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

VertiPaq SE Query Cache Match

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
EventSubclass 1 1 Event Subclass provides additional information about each event class:

0: VertiPaq Cache exact match
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
JobID 7 1 Job ID for progress.
SessionType 8 8 Session type (what entity caused the operation).
ObjectID 11 8 Object ID (note this is a string).
ObjectType 12 1 Object type.
ObjectName 13 8 Object name.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
ObjectReference 15 8 Object reference. Encoded as XML for all parents, using tags to describe the object.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
NTUserName 32 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
- Power BI Service on behalf of a UPN or SPN (Power BI Service (UPN/SPN))
NTDomainName 33 8 Contains the domain name associated with the user account that triggered the command event.
- Windows domain name for Windows user accounts
- AzureAD for Microsoft Entra accounts
- NT AUTHORITY accounts without a Windows domain name, such as the Power BI service
SessionID 39 8 Session GUID.
NTCanonicalUserName 40 8 Contains the user name associated with the command event. Depending on the environment, the user name is in the following form:
- Windows user account (DOMAIN\UserName)
- User Principal Name (UPN) ([email protected])
- Service Principal Name (SPN) (appid@tenantid)
- Power BI Service Account (Power BI Service)
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Direct Query Begin

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
JobID 7 1 Job ID for progress.
SessionType 8 8 Session type (what entity caused the operation).
IntegerData 10 1 Integer data.
ObjectID 11 8 Object ID (note this is a string).
ObjectType 12 1 Object type.
ObjectName 13 8 Object name.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
Severity 22 1 Severity level of an exception.
Success 23 1 1 = success. 0 = failure (for example, a 1 means success of a permissions check and a 0 means a failure of that check).
Error 24 1 Error number of a given event.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
ClientProcessID 36 1 The process ID of the client application.
SessionID 39 8 Session GUID.
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.

Direct Query End

Column Name Column Id Column Type Column Description
EventClass 0 1 Event Class is used to categorize events.
CurrentTime 2 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
StartTime 3 5 Time at which the event started, when available. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
EndTime 4 5 Time at which the event ended. This column is not populated for starting event classes, such as SQL:BatchStarting or SP:Starting. For filtering, expected formats are 'YYYY-MM-DD' and 'YYYY-MM-DD HH:MM:SS'.
Duration 5 2 Amount of time (in milliseconds) taken by the event.
CPUTime 6 2 Amount of CPU time (in milliseconds) used by the event.
JobID 7 1 Job ID for progress.
SessionType 8 8 Session type (what entity caused the operation).
IntegerData 10 1 Integer data.
ObjectID 11 8 Object ID (note this is a string).
ObjectType 12 1 Object type.
ObjectName 13 8 Object name.
ObjectPath 14 8 Object path. A comma-separated list of parents, starting with the object's parent.
Severity 22 1 Severity level of an exception.
Success 23 1 1 = success. 0 = failure (for example, a 1 means success of a permissions check and a 0 means a failure of that check).
Error 24 1 Error number of a given event.
ConnectionID 25 1 Unique connection ID.
DatabaseName 28 8 Name of the database in which the statement of the user is running.
ClientProcessID 36 1 The process ID of the client application.
SessionID 39 8 Session GUID.
SPID 41 1 Server process ID. This uniquely identifies a user session. This directly corresponds to the session GUID used by XML/A.
TextData 42 9 Text data associated with the event.
ServerName 43 8 Name of the server producing the event.