modify column name in mysql

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

MySQL Tutorial alter modify Word Name Table name structure Add column ALTER TABLE statementThe ALTER TABLE statement is used to add, modify, or delete columns in an existing table. SQL ALTER TABLE syntaxIf you want to add columns to the table, use

1. download MySql 1. download MySql Open http://www.mysql.com/downloads/mysql/#downloads download in browser My downloaded version is Red Hat 5 version of http://www.mysql.com/downloads/mirror.php? Id = 407552 Upload the file to the server, or

SQL Server platform modifies self-added column values Since the migration of the SQL Server database was previously processed, a change to its own column value has been attempted, but modifying the self-added column value through an SQL statement

This article mainly introduces the method of modifying the table structure in mysql, and analyzes in detail the methods and precautions for modifying the table structure in mysql in the form of instances, which has some reference value, for more

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

In mysql, we only need to use alter to modify the data table fields. Below I will introduce how to modify the table field name, field length, and field type in mysql, for more information, see. Let's take a look at common methods. The simple Syntax

Install MySQL1. Download the MySQL Installation FileThe following two files are required to install MYSQL: MySQL-server-5.1.7-0.i386.rpm To: http://dev.mysql.com/downloads/mysql/5.1.html, open this webpage and click"Linux x86 generic RPM

Mysql tutorial alter name table name structure add Column Alter table statementThe alter table statement is used to add, modify, or delete columns in an existing table. SQL alter table syntaxTo add columns to a table, use the following syntax: Alter

Introduction: Issues that occur on the local database execution of modifications the bank card is not error-free but online execution errorfound that the table is not found, the table name should be card_cardinfo, but there is no problem locally,