mysql alter current database

ALTER TABLE allows you to modify the structure of an existing table. For example, you can add or delete columns, create or eliminate indexes, change the type of existing columns, or rename columns or the table itself. You can also change the

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

This article mainly introduces how to use the ALTER command in MySQL, which is the basic knowledge in MySQL beginners. it is very useful for anyone who needs it to refer to the ALTER command in MySQL, if you want to change the table name, table

Detailed description of the use of the ALTER command in MySQL, mysqlalter MySQL's ALTER command is very useful when you want to change the table name, table fields, or if you want to add or delete columns in an existing table. Let's start to create

MySQL's alter command is very useful when you want to change the name of the table, the field of the table, or if you want to add or delete columns from an existing table. Let's start by creating a use case with a table named Testalter_tbl:

MySQL's alter command is very useful when you want to change the name of the table, the field of the table, or if you want to add or delete columns from an existing table. Let's start by creating a use case with a table named Testalter_tbl:

Mysql commands are often used by everyone, but few of you can sort them out. there are not many projects recently. you can take a moment to summarize the mysql database commands. if you need them, refer to section 1. connect to Mysql. Format:

MySQL Format statement specificationHow do I log into your database?Example!If you are compiling the installation of the flowers, then you have to compile the installation of the directory to go, my is installed into the/usr/local/mysql database: Cd/

Common commands for MySQL database operations and Common commands for mysql Common commands for MySQL database operationsDOS Connection database1. Install MySQL to configure the environment2. Run the cmd command. net start mysql3. Find the root

1.MySQL Engine Overview 1.1 What is a storage engineWhen we record a video file, it can be converted to different formats such as mp4,avi,wmv, and on the computer's disk will also exist in different types of file system Windows common Ntfs,fat32,