Mysql database Learning 1: getting the original data _ MySQL

Mysql database learning-1, obtain the original data bitsCN.com show databasesshow tablesinformation_schemashow tables statement. The output does not contain the temporary table. View all databases on the server.> show databases view the create database statement of the given database.> show create database db_name view the data table for a given database, choose show tables> show tables from db_name to view the create table statement of the given database's Data table> show create table tbl_name to view the column or index information in the data table> show columns from tbl_name> the statements in show index from tbl_name are the same as those in show columns from tbl_name> des Cribe tbl_name> explain tbl_name view descriptive information of data tables in the default database or given Database> show table status from db_name limit the output range of the show statement, you can also change the like statement to where statement. The where statement does not change the number of columns, but only the number of output rows. if the name in the data column 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 server-managed database mysqlshow (if the display is rejected, you need to provide the host, the user name and password are as follows, if the host has changed the default port, you must also provide Port 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 | morebitsCN.com