MySQL查看字段comment为空的库表: SELECT table_schema, TABLE_NAME,COLUMN_NAME, column_comment FROM information_schema.`COLUMNS` WHERE table_schema NOT IN ('sys','information_schema','mysql' ,'performance_schema') and and column_comment =''MySQL查看字段comment为空的库表: SELECT table_schema, TABLE_NAME,COLUMN_NAME, column_comment FROM information_schema.`COLUMNS` WHERE table_schema NOT IN ('sys','information_schema','mysql' ,'performance_schema') and and column_comment =''