Help Center/ GaussDB/ Developer Guide(Distributed_2.x)/ Performance Tuning/ SQL Optimization/ Hint-based Tuning

Updated on 2023-10-23 GMT+08:00

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Hint-based Tuning

Plan Hint Optimization
Join Order Hints
Join Operation Hints
Rows Hints
Stream Operation Hints
Scan Operation Hints
Sublink Name Hints
Skew Hints
Parameterized Path Hint
Hint Errors, Conflicts, and Other Warnings
Plan Hint Cases
Optimizer GUC Parameter Hints
Hints for Selecting the Custom Plan or Generic Plan
Hints Specifying Not to Expand Subqueries
Hints Specifying Not to Use Global Plan Cache
Hint of Parameterized Paths at the Same Level

Parent topic: SQL Optimization

Previous topic: Configuring Key Parameters for SQL Tuning

Next topic: Plan Hint Optimization

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