#sql查询字段名，注释操作拼接
#查询字段名和注释 select COLUMN_NAME,COLUMN_COMMENT from information_schema.COLUMNS where table_name = '表名' and table_schema = '库名' order by ordinal_position #查询整个内容 select * from information_schema.COLUMNS where table_name = '表名' and table_schema = '库名' order by ordinal_position #拼接 group_concat(field，SEPARATOR '拼接字符') select group_concat(COLUMN_NAME SEPARATOR ';'),group_concat(COLUMN_COMMENT SEPARATOR ';') from information_schema.COLUMNS where table_name = '表名' and table_schema = '库名' order by ordinal_position #按顺序排字段拼接 group_concat(field order by field,SEPARATOR '字符') select group_concat(COLUMN_NAME order by ordinal_position SEPARATOR ';'),group_concat(COLUMN_COMMENT ORDER BY ordinal_position SEPARATOR ';') from information_schema.COLUMNS where table_name = '表名' and table_schema = '库名' order by ordinal_position #整个库下的所有表 select TABLE_NAME,group_concat(COLUMN_NAME order by ordinal_position SEPARATOR ';'),group_concat(COLUMN_COMMENT ORDER BY ordinal_position SEPARATOR ';') from information_schema.COLUMNS where table_schema = '库名' GROUP BY TABLE_NAME #整个服务器下的所有库中表，每个表的字段和注释的拼接 select TABLE_SCHEMA,TABLE_NAME,group_concat(COLUMN_NAME order by ordinal_position SEPARATOR ';'),group_concat(COLUMN_COMMENT ORDER BY ordinal_position SEPARATOR ';') from information_schema.COLUMNS GROUP BY TABLE_NAME,TABLE_SCHEMA ORDER BY TABLE_SCHEMA