Lu, Huayi a24ca60074 DWS DEVELOPER 811 version

Reviewed-by: Hasko, Vladimir <vladimir.hasko@t-systems.com>
Co-authored-by: Lu, Huayi <luhuayi@huawei.com>
Co-committed-by: Lu, Huayi <luhuayi@huawei.com>

2023-01-19 13:37:49 +00:00

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Typical SQL Optimization Methods

SQL optimization involves continuous analysis and adjustment. You need to test-run a query, locate and fix its performance issues (if any) based on its execution plan, and run it again, until the execution performance meet your requirements.

SQL Self-Diagnosis
Optimizing Statement Pushdown
Optimizing Subqueries
Optimizing Statistics
Optimizing Operators
Optimizing Data Skew

Parent topic: Query Improvement

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Typical SQL Optimization Methods

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