MySQL常用指令,java,php程序员,数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the
Using rename table in MySQL to quickly and efficiently RENAME a database (schema)
Once a new database (schema) is created in MySQL, it cannot be renamed, therefore, if you need to rename a database, the general practice is to dump the data in the
Five methods to change the mysql database name: 1. RENAMEDATABASEdb_nameTOnew_db_name .. This syntax is added in mysql5.1.7 and removed in 5.1.23. Data may be lost. Or don't use it. See: dev.mysql.comdocrefman5.1enrename-database.html 2
Five methods
How to rename a MySQL database
[Preface] One of the databases needs to be backed up for business needs, and then imported into a brand new database; it is the fastest and easiest way to directly modify the name of the current database for backup.
Mysql commands are often used by everyone, but few of you can sort them out. there are not many projects recently. you can take a moment to summarize the mysql database commands. if you need them, refer to section 1. connect to Mysql.
Format:
Rename table syntaxRename table Tbl_name to New_tbl_name [, tbl_name2 to New_tbl_name2] ... Use this statement to rename one or more tables.
The rename operation occurs automatically, which means that other threads cannot read any tables while
One of the databases needs to be backed up due to business needs, and then imported into a new database; the method of directly modifying the current database name through measurement is used for backup.
One of the databases needs to be backed up
Five ways to change MySQL database name:
1. RENAME DATABASE db_name to New_db_name
This one.. This syntax is added to the MySQL 5.1.7, 5.1.23 and removed. It is said that it is possible to lose data. It's better not to use it. See:
Although MySQL has rename database syntax, but only in 5.1.7 to 5.1.23 provided, the other version does not, want to do rename operation how to do? Percona provides a shell#!/Bin/bash# Copyright -Percona LLCand/orIts affiliatesSet -eif [- Z " $ $"];
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