REPLACE QUERY LOGGING is identical to BEGIN QUERY LOGGING except that it enables you to replace an existing query logging rule in DBC.DBQLRuleTbl by submitting a request to replace that rule with a new rule that has the options you specify for it. The following table is a high level summary of what a REPLACE QUERY LOGGING request does.
| IF a rule … | THEN Teradata Database … |
|---|---|
| exists | replaces it. |
| does not exist | creates one that satisfies the REPLACE QUERY LOGGING specifications. |
See BEGIN QUERY LOGGING for more information relevant to this statement.