The so-called mysql metadata are some initial things, such as a list of databases, data tables list the number of rows affected by the query, and so on, there is some information about the mysql server, such as version information.
- select version (): Gets the version information mysql server
- select database (): Get the current database name
- show status: view server status information
- show variables: View the server configuration variables
- desc table_name: see table fields and types of information
- show create table table_name \ G: view the construction of the table statement \ G formatted output
- use db_name: switch databases
- show databases: Lists all databases
- show tables: displays all the current database table
- show columns from table_name: Display field information table, etc., and as desc table_name
- show index from table_name: index information displays detailed data table, comprising PRIMARY KEY (primary key)
- Status like Table Show
[ from db_name][like 'pattern']/ G **: This command output performance and statistical information Mysql database management system, for example: show table status from goodsinfo \ G ; - create database db_name: Create a database, when sufficient permissions when using this
- drop database db_name: delete the database
using the mysqladmin mysql when not entering the terminal to create and delete database - mysqladmin -u root -p create db_name: create a database using the mysqladmin command
- mysqladmin -u root -p drop db_name: Delete the database