For information about collecting and dropping QCD statistics, see the following:
- “COLLECT STATISTICS (QCD Form)” in Teradata Vantage™ - SQL Data Manipulation Language, B035-1146
- “DROP STATISTICS (QCD Form” in Teradata Vantage™ - SQL Data Manipulation Language, B035-1146
Also see Teradata Vantage™ - SQL Request and Transaction Processing, B035-1142 for information about QCD statistics.