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SQL Optimizer

Query Resolution of MySQL 8.0 Optimizer

This article introduces how MySQL 8.0 optimizer turns a simple string into an execution sequence the database executor can return the data to the client.

Query Transformation of MySQL 8.0 Optimizer

This article introduces the complex transformation process of subqueries, partitioned tables, and JOIN operations.

Making SQL Optimizer More Accurate: AnalyticDB for PostgreSQL Auto Analyze Feature

This blog introduces the AnalyticDB for PostgreSQL Auto Analyze Feature and discusses how it helps users collect more accurate statistical information.