How to view comments in mysql

Mysql method to view comments: 1. Use the "SHOW CREATE TABLE table name;" statement to view table comments; 2. Use the "SHOW FULL COLUMNS FROM table name;" statement to view field comments.

The operating environment of this tutorial: windows7 system, mysql8 version, Dell G3 computer.

Let me give you a demonstration. Create a student table here. The code is as follows:

CREATE TABLE `student` (
`id` int(11) AUTO_INCREMENT PRIMARY KEY COMMENT '学好',
`name` varchar(32) NOT NULL DEFAULT '' COMMENT '姓名',
`sex` tinyint(1) NOT NULL COMMENT '性别',
`age` tinyint(4) NOT NULL COMMENT '年龄',
`class` varchar(32) NOT NULL DEFAULT '' COMMENT '班级'
)ENGINE=InnODB CHARSET=utf8 COMMENT='学生表';

View the comments of the table

The code is as follows:

SHOW CREATE TABLE `student`;

Modify the comments of the table

The code is as follows:

ALTER TABLE `student` COMMENT '学生表2.0';

Result As shown in the picture:

Modify the comment of the field

The code is as follows:

ALTER TABLE `student` MODIFY COLUMN `id` COMMENT '学号';

View the comments of the field

The code is as follows:

SHOW FULL COLUMNS  FROM `student`;

The result is as shown in the figure:

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