how to show columns in mysql

Show DATABASES: lists the DATABASES on the mysql Server. Show tables [FROM db_name]: Lists TABLES in a database. Show table status [FROM db_name]: lists the TABLE information of a database. Show columns from tbl_name [FROM db_name]: lists the column

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

Development Log: Add comments for tables and columns when creating a table in mySQL, and view comments for tables and columns. Development Log: add notes for tables and columns when creating a mySQL table, and view the notes for tables and columns _

A good memory is better than a random writing .... The following collection of the MySQL show in the use of skills .... If you need a friend, you can have a look.A. Show tables or show tables from database_name;//displays the names of all tables in

Install MySQL1. Download the MySQL Installation FileThe following two files are required to install MYSQL:MySQL-server-5.1.7-0.i386.rpm To download the above two RPM files, locate the "server" and "client programs" items and find the items

Show index from TABLE_NAMEThis command helps diagnose poorly performing queries, especially if the query uses an available index.The following describes the meaning of the result column that this command displays:| Table | Non_unique | Key_name |

ALTER table: Add, modify, delete table columns, constraints, and other table definitions. View column: Desc table name; Modify table name: ALTER TABLE T_book Rename to BBB; Add column: ALTER TABLE name add column name varchar (30);

Original: http://blog.csdn.net/ws84643557/article/details/6939846MySQL add columns, modify columns, delete columnsExample: ALTER TABLE tb_financial MODIFY create_time DATETIME (3) DEFAULT NULL COMMENT ' entry time ';ALTER table: Add, modify, delete

mysql| Data | Database summary In this chapter, we will focus on how to work with the MySQL database using Structured Query Language (SQL). (2002-08-29-14:11:10) -------------------------------------------------------------------------------- By

Mysql modifies columns, adds columns, deletes common column commands, and mysql commands Alter table: add, modify, and delete TABLE columns, constraints, and other TABLE definitions. View column: desc table name; Alter table t_book rename to