mysql查看表中列信息

查看所有数据库中所有表的数据库名和表名

SELECT
  `TABLES`.`TABLE_SCHEMA`, `TABLES`.`TABLE_NAME`
FROM
  `information_schema`.`TABLES`

查看所有数据库中所有基本表的数据库名和表名

SELECT
  `TABLES`.`TABLE_SCHEMA`, `TABLES`.`TABLE_NAME`
FROM
  `information_schema`.`TABLES`

WHERE
  `TABLES`.`TABLE_TYPE` = ‘base table‘;

查看test1数据库中t1表中的所有列信息

其中order by `ORDINAL_POSITION`指按照表中原有列的顺序

  SELECT *
FROM
  `information_schema`.`COLUMNS` where `TABLE_SCHEMA`=‘test1‘ and `TABLE_NAME`=‘t1‘ order by `ORDINAL_POSITION`;

查看test1数据库所有表中的表名称和列名

SELECT DISTINCT TABLE_NAME,COLUMN_NAME
FROM
  `information_schema`.`COLUMNS` where `TABLE_SCHEMA`=‘test1‘;