es optimize table in mysql

One, partition operation 1. To change a table without partitions to a partitioned tableALTER TABLE trb3 PARTITION BY KEY(id) PARTITIONS 2;2. Deleting a partition# 删除所有分区, 同时数据丢失ALTER TABLE es2 REMOVE PARTITIONING;# 删除指定分区, 数据丢失ALTER TABLE tr DROP

Optimization technology of U MySQL DatabaseA comprehensive technology for MySQL optimization, mainly includingA: Rationalization of table Design (3NF compliant)B: Add appropriate index (index) [Four kinds: normal index, primary key index, unique

Optimization technology of U MySQL DatabaseA comprehensive technology for MySQL optimization, mainly includingA: Rationalization of table Design (3NF compliant)B: Add appropriate index (index) [Four kinds: normal index, primary key index, unique

Mysql optimization is a comprehensive technology, mainly including: a. Table Design rationalization (in line with 3NF); B. Adding an appropriate index (index) [four]: general Index, primary key index, unique index (unique), full-text index; c. Table

Database statement: DDL (data definition language) ALTER create drop DML (data manipulation language) inset Delete update DTL (Data transaction language) Conmmit rollback savepoint Select

MySQL Database optimization techniques:The optimization of the database is a comprehensive technology, which mainly includes: 1. The design of the table is reasonable (in accordance with the three paradigms, 3NF) 2. Add an appropriate index

This article introduces mysql database optimization and mysql web performance optimization. If you need to know about it, let's take a look. This article introduces mysql database optimization and mysql web performance optimization. If you need to

This article mainly introduces Mysql database performance optimization 2. if you need it, you can refer to the previous article to introduce mysql database performance optimization 1, today, I will continue my previous article to introduce you to

Objective Unlike most databases, MySQL has the concept of a storage engine that can choose the optimal storage engine for different storage requirements. 1. MySQL Storage Engine Overview Plug-in storage engine is one of the

Mysql performance optimization 2: mysql Performance Optimization Next, Mysql performance optimization 1Create an appropriate index To improve database performance, indexing is the best and inexpensive. There is no need to add memory, no need to