mysql optimize

Syntax structure:[no_write_to_binlog | LOCAL] TABLE[, Tbl_name] ...Optimize table reorganizes the physical storage of tables data and indexes, reducing the IO efficiency when using storage space and improving access to tables. Optimize table

The following articles mainly describe three useful solutions for optimizing MySQL database queries, including how to correctly use related indexes and how to optimize query performance, the following describes how to optimize the query performance.

1. what can and should we optimize? Hardware operating system software library SQL Server (setup and query) application programming interface (API) Application 2. optimize hardware if you need a large database table (2 GB ), you should consider

Optimize the PHP website to run like MySQL. 1. what can and should we optimize? Hardware 　　 Operating System/software library 　　 SQL Server (set and query) 　　 Application programming interface (API) 　　 Applications 　　 II. optimize hardware If you

Interview questions: how to optimize MYSQL database queries and mysql databases. Interview questions: how to optimize MYSQL database queries. mysql database 1. how to optimize the data types in MySQL. if you are a DBA, you are waiting for an

The following articles mainly introduce three very useful methods to optimize MySQL database queries. We all know that in MySQL database query optimization queries, database applications (such as MySQL (the best combination with PHP) actually mean

Periodic analysis Table ANALYZE [Local | No_write_to_binlog] TABLE tbl_name [, Tbl_name] Use this statement to parse and store the keyword distribution for a table. During profiling, a table is locked with a read lock. This is useful for MyISAM,

mysql| Compile | Optimize MySQL at compile time If you install MySQL from the source code, note that the compilation process will have an important impact on the performance of future target programs, different compilation methods may get similar

OPTIMIZE TABLE is used to reclaim unused database space. When rows of data on a table are deleted, the disk space occupied is not immediately reclaimed, the space is reclaimed after the Optimize table command is used, and the rows of data on the

Interview questions: Talk about how to optimize MySQL database query, MySQL database 1. Optimize data type There are several types of data in MySQL, and if you are a DBA, you are rigorously checking the data types according to the principles of