sql database queries Notes (table and the table comment, fields and field comments)

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1. To query all database table names and table under Notes

/* 查询数据库 ‘mammothcode’ 所有表注释 */
SELECT TABLE_NAME,TABLE_COMMENT 
FROM information_schema.TABLES 
WHERE table_schema='mammothcode';

2. To query the comment field of the table

/* 查询数据库 ‘mammothcode’ 下表 ‘t_adminuser’ 所有字段注释 */
SELECT COLUMN_NAME,column_comment 
FROM INFORMATION_SCHEMA.Columns 
WHERE table_name='t_adminuser' AND table_schema='mammothcode'

3. The one-time query the database table and the correspondence table Field Comment Notes

/* 查询数据库 "mammothcode" 下表注释以及对应表字段注释 */
SELECT t.TABLE_NAME,t.TABLE_COMMENT,c.COLUMN_NAME,c.COLUMN_TYPE,c.COLUMN_COMMENT 
FROM information_schema.TABLES t,INFORMATION_SCHEMA.Columns c 
WHERE c.TABLE_NAME=t.TABLE_NAME AND t.`TABLE_SCHEMA`='mammothcode'

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Origin blog.csdn.net/sinat_42338962/article/details/102498737