QUERY_PLAN Option

ON, OFF

OFF

Option can be set at the database (PUBLIC) or user level. At the database level, the value becomes the default for any new user, but has no impact on existing users. At the user level, overrides the PUBLIC value for that user only. No system privilege is required to set option for self. System privilege is required to set at database level or at user level for any user other than self.

Requires the SET ANY PUBLIC OPTION system privilege to set this option. Can be set temporary for an individual connection or for the PUBLIC role. Takes effect immediately.

When this option is turned ON, SAP IQ produces textual query plans in the IQ message file. These query plans display the query tree topography, as well as details about optimization and execution. When this option is turned OFF, those messages are suppressed. The information is sent to the <dbname>.iqmsg file.