Peformance Information | Teradata Vantage - 17.00 - 17.05 - Performance Information in DBQL Tables - Advanced SQL Engine - Teradata Database

Teradata Vantage™ - Database Administration

Product
Advanced SQL Engine
Teradata Database
Release Number
17.00
17.05
Published
June 2020
Language
English (United States)
Last Update
2021-01-22
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DBQL Table Performance Management Information
DBQLogTbl Data on individual queries, including:
  • Query origination, start, stop, and other timings
  • CPU and logical I/O usage
  • Error codes
  • SQL (truncated)
  • Step counts
  • The number of rows inserted, updated, and deleted
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.
DBQLExplainTbl EXPLAIN output.
DBQLXMLTbl Query plans stored in Extensible Markup Language (XML).