How to optimize mysql

How to optimize mysql?

Answer: MySQL optimization is mainly achieved from the following aspects:

1) Design perspective: selection of storage engine, field type selection, paradigm

2 ) Functional perspective: You can make use of MySQL's own features, such as indexing, query caching, defragmentation, partitioning, sub-tables, etc.

3) Optimization of SQL statements: Try to simplify query statements and use as few query fields as possible Reduce query fields, optimize paging statements, grouping statements, etc.

4) Deploy a large-load architecture system: the database server is separated. When the load is heavy, master-slave replication and read-write separation mechanism can be used to design

5) Upgrade the database server from the hardware.

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