SQL Hints
Availability
This feature is available as of openGauss 1.1.0.
Introduction
SQL hints can be used to override execution plans.
Benefits
Improves SQL query performance.
Description
In plan hints, you can specify a join order; join, stream, and scan operations, the number of rows in a result, and redistribution skew information to tune an execution plan, improving query performance.
Enhancements
None
Constraints
None
Dependencies
None
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