SQL Query Optimization Techniques

Описание к видео SQL Query Optimization Techniques

Ways to Optimize SQL Queries

Use indexes effectively. ...
Avoid SELECT queries. ...
Reduce the use of wildcard characters. ...
Use appropriate data types and layouts. ...
Avoid redundant or unnecessary data retrieval. ...
Use EXIST() instead of COUNT() queries. ...
Avoid sub-queries.
Make use of cloud database-specific features.

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