Umair Shahid: Understanding the PostgreSQL Query Planner to Improve Query Performance
Learn how the PostgreSQL query planner estimates costs and leverages configuration parameters for efficient data retrieval and increased database performance. The post Understanding the PostgreSQL Query Planner to Improve Query Performance appeared first on Stormatics.
PostgreSQL使用基于成本的查询规划来确定检索数据的最有效方式。查询规划器根据数据统计信息和配置参数估计不同执行计划的成本。了解这个过程对于优化查询性能非常重要。