Query Processing Events Category

The Query Processing event category has the event classes described in the following table.

Event Class Event Id Description
Query Subcube 11 Query subcube, for Usage Based Optimization.
Query Subcube Verbose 12 Query subcube with detailed information. This event may have a negative impact on performance when turned on.
Get Data From Aggregation 60 Answer query by getting data from aggregation. This event may have a negative impact on performance when turned on.
Get Data From Cache 61 Answer query by getting data from one of the caches. This event may have a negative impact on performance when turned on.
Query Cube Begin 70 Collects all Query Cube Begin events since the trace started.
Query Cube End 71 Collects all Query Cube End events since the trace started.
Calculate Non Empty Begin 72 Calculate non empty begin.
Calculate Non Empty Current 73 Calculate non empty current.
Calculate Non Empty End 74 Calculate non empty end.
Serialize Results Begin 75 Serialize results begin.
Serialize Results Current 76 Serialize results current.
Serialize Results End 77 Serialize results end.
Execute MDX Script Begin 78 Execute MDX script begin.
Execute MDX Script Current 79 Execute MDX script current.
Execute MDX Script End 80 Execute MDX script end.
Query Dimension 81 Query dimension.
VertiPaq SE Query Begin 82 VertiPaq SE query
VertiPaq SE Query End 83 VertiPaq SE query

For information about the columns associated with each of the Query Processing event classes, see Query Processing Events Data Columns.

See Also

Analysis Services Trace Events