1. 要查询数据库 "xcms" 下所有表名以及表注释
SELECT TABLE_NAME,TABLE_COMMENT FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_SCHEMA = 'xcms';
2. 查询表字段的注释
SELECT COLUMN_NAME,column_comment FROM INFORMATION_SCHEMA.Columns WHERE table_name='cms_ad' AND table_schema='xcms'
3. 一次性查询数据库 "xcms" 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`='xcms'
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