Mysql database learning-1. get the original data-MySQL

Source: Internet
Author: User
Mysql database learning-1, get the original data bitsCN.com

Mysql database learning-1. get the original data

Show databasesshow tablesinformation_schemashow tables statement output does not contain the temporary table view all the databases on the server> show databases view the create database statement of the given database> show create database db_name view the data table of the default database or the data table of the given database> show tables from db_name view the create table statement of the data table of the given Database> show create table tbl_name view the column or index information of the data table> show columns from tbl_name> show index from tbl_name the following statement is the same as the show columns from tbl_name statement> describe tbl_name> explain tbl_name query Check the descriptive information of the default database or given data table> show table status from db_name to limit the output range of the show statement. you can also change the like statement to where, the where statement does not change the number of columns, but only the number of output rows. if the column name is a reserved word, it must be enclosed by backquotes (').> Show columns from tbl_name like '% s'> show columns from tbl_name like' _ s'> show columns from tbl_name where 'key' = 'pri'

Mysqlshow command

Mysqldump command

Database managed by the server

Mysqlshow

(If the host is rejected, the host is provided. the user name and password are as follows. if the host has changed the default port, the port must also be provided in uppercase P-P)> mysqlshow mysql-h localhost-u root-p list data tables of a given database> mysqlshow db_name view data column information in a given data table> mysqlshow db_name tbl_name view index information in a given data table> mysqlshow -- keys db_name tbl_name: view the description of the data table in the given Database> mysqlshow -- status db_name: list the structure information of the data table in the given Database (if the -- no-data parameter is not added, all tables are listed simultaneously. data in)> mysqldump -- no-data db_name [tbl_name]-u root-p | more


BitsCN.com

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.