mysql 显示表结构

例子

mysql> show columns from table1;
+------------+------------------+------+-----+---------+----------------+
| Field      | Type             | Null | Key | Default | Extra          |
+------------+------------------+------+-----+---------+----------------+
| name_new   | char()         | YES  |     | NULL    |                |
| transactor | varchar()      | NO   |     | NULL    |                |
| pid        | int() unsigned | NO   | PRI | NULL    | auto_increment |
| order_date | datetime         | YES  |     | NULL    |                |
+------------+------------------+------+-----+---------+----------------+
 rows in set (0.00 sec)

例子

mysql> desc table1;
+------------+------------------+------+-----+---------+----------------+
| Field      | Type             | Null | Key | Default | Extra          |
+------------+------------------+------+-----+---------+----------------+
| name_new   | char()         | YES  |     | NULL    |                |
| transactor | varchar()      | NO   |     | NULL    |                |
| pid        | int() unsigned | NO   | PRI | NULL    | auto_increment |
| order_date | datetime         | YES  |     | NULL    |                |
+------------+------------------+------+-----+---------+----------------+
 rows in set (0.00 sec)

例子

mysql> show create table table1;
+--------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Table  | Create Table                                                                                                                                                                                                                                                            |
+--------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| table1 | CREATE TABLE `table1` (
  `name_new` char() DEFAULT NULL,
  `transactor` varchar() NOT NULL,
  `pid` int() unsigned NOT NULL AUTO_INCREMENT,
  `order_date` datetime DEFAULT NULL,
  PRIMARY KEY (`pid`)
) ENGINE=InnoDB AUTO_INCREMENT= DEFAULT CHARSET=latin1 |
+--------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
 row in set (0.00 sec)