|DBQL Table||Performance Management Information|
|DBQLogTbl||Data on individual queries, including:
|DBQLSummaryTbl||A summary of short-running queries.
For high-volume queries, it provides query origination, response time summaries, query counts, and CPU and logical I/O usage.
|DBQLStepTbl||Query step timings, CPU and I/O usage, row counts, and step actions, among other things|
|DBQLObjTbl||Usage information about database objects such as tables, columns, indexes, and databases.|
|DBQLSqlTbl||The complete SQL text.|
|DBQLXMLTbl||Query plans stored in Extensible Markup Language (XML).|