mysql查詢字段、拼接字段

1.mysql查詢表的所有字段

select COLUMN_NAME,column_comment from INFORMATION_SCHEMA.Columns where table_name='表名' and table_schema='數據庫名';

 

2.mysql拼接所有字段，方便寫sql

select group_concat( COLUMN_NAME separator ', ')  from INFORMATION_SCHEMA.Columns where table_name='表名' and table_schema='數據庫名';