SHOW FIELDS

显示给定表中各列的信息。等同于 DESCRIBE TABLE。

语法

SHOW FIELDS FROM [ <database_name>. ]<table_name>

示例

CREATE TABLE books
  (
     price  FLOAT Default 0.00,
     pub_time DATETIME Default '1900-01-01',
     author VARCHAR
  );

SHOW FIELDS FROM books;

Field   |Type     |Null|Default                     |Extra|
--------+---------+----+----------------------------+-----+
price   |FLOAT    |YES |0                           |     |
pub_time|TIMESTAMP|YES |'1900-01-01 00:00:00.000000'|     |
author  |VARCHAR  |YES |NULL                        |     |