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Commonly used basic operation syntax of mysql (1) ~~Operation of the library [command line mode]

黄舟
Release: 2017-03-03 13:50:54
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1. Create a database: create Database databaseName; For example, if you need to create a mysqlTest database, create Database mysqlTest;



## by It can also be seen that the name here is not case-sensitive. As far as I know, it can be set to all uppercase or all lowercase through the settings.

2. View existing databases in the system: show databases;


3. Select a database: use databaseName;(all databaseName in this article Both are a code name, representing the database name, tableName is also a code name, representing the table name);



4. Delete the database: drop database databaseName;


5. View database engine: show engines \G


Support There are many engines, so the screenshots here are incomplete.

6. View the database default storage engine: show variables like 'storage_engine%';



##7 , View system help: help contents;


8. Create table: create table tableName(

Attribute name data type,

Attribute name data type,

......

)

9. View the table structure: describe tableName;



10. Delete table: drop table tableName;


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