Check the created table by issuing a 'describe' command

Check the created table by issuing a 'describe' command : Describe Table Structure : Table MySQL TUTORIALS

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Check the created table by issuing a 'describe' command


DESCRIBE tableName;

DESC is a short form of DESCRIBE.

Field indicates the column name.

Type is the data type for the column.

NULL indicates whether the column can contain NULL values.

Key indicates whether the column is indexed.

Default specifies the column's default value.

Extra displays special information about columns.

The AUTO_INCREMENT option is shown in Extra.


mysql>
mysql>
mysql>
mysql> CREATE TABLE employee (
    ->     ID INT(2) auto_increment primary key,
    ->     First_name VARCHAR(20),
    ->     Last_name VARCHAR(30),
    ->     Start_date DATE,
    ->     Salary int(6),
    ->     city VARCHAR(20),
    ->     description VARCHAR(20)
    -> );
Query OK, 0 rows affected (0.02 sec)

mysql>
mysql> desc employee;
+-------------+-------------+------+-----+---------+----------------+
| Field       | Type        | Null | Key | Default | Extra          |
+-------------+-------------+------+-----+---------+----------------+
| ID          | int(2)      | NO   | PRI | NULL    | auto_increment |
| First_name  | varchar(20) | YES  |     | NULL    |                |
| Last_name   | varchar(30) | YES  |     | NULL    |                |
| Start_date  | date        | YES  |     | NULL    |                |
| Salary      | int(6)      | YES  |     | NULL    |                |
| city        | varchar(20) | YES  |     | NULL    |                |
| description | varchar(20) | YES  |     | NULL    |                |
+-------------+-------------+------+-----+---------+----------------+
7 rows in set (0.00 sec)

mysql>
mysql> drop table employee;
Query OK, 0 rows affected (0.00 sec)

mysql>
mysql>