MySQL 如何创建一个具有MyISAM引擎表的表

要创建一个具有MyISAM引擎的MySQL表，我们可以使用ENGINE命令。首先，让我们使用CREATE命令创建一个表。

mysql> create table StudentRecordWithMyISAM
   -> (
   -> Id int,
   -> StudentName varchar(100),
   -> StudentAge int
   -> )ENGINE=MyISAM;
Query OK, 0 rows affected (0.26 sec)

以上，我们将引擎设置为“MyISAM”。

要检查表中有多少列，请使用DESC命令。

mysql> DESC StudentRecordWithMyISAM;

以下是输出内容。

+-------------+--------------+------+-----+---------+-------+
| Field       | Type         | Null | Key | Default | Extra |
+-------------+--------------+------+-----+---------+-------+
| Id          | int(11)      | YES  |     | NULL    |       |
| StudentName | varchar(100) | YES  |     | NULL    |       |
| StudentAge  | int(11)      | YES  |     | NULL    |       |
+-------------+--------------+------+-----+---------+-------+
3 rows in set (0.00 sec)

要检查表是否有MyISAM，请输入以下命令：

mysql>  SHOW TABLE STATUS FROM business LIKE 'StudentRecordWithMyISAM';

以下是输出结果，清楚地显示引擎为MyISAM。

+-------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+
| Name                    | Engine | Version | Row_format | Rows | Avg_row_length | Data_length | Max_data_length | Index_length | Data_free | Auto_increment | Create_time         | Update_time         | Check_time | Collation          | Checksum | Create_options | Comment |
+-------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+
| studentrecordwithmyisam | MyISAM |      10 | Dynamic    |    0 |              0 |           0 | 281474976710655 |         1024 |         0 |              1 | 2018-10-22 15:47:01 | 2018-10-22 15:47:02 | NULL       | utf8mb4_unicode_ci |     NULL |                |         |
+-------------------------+--------+---------+------------+------+----------------+-------------+-----------------+--------------+-----------+----------------+---------------------+---------------------+------------+--------------------+----------+----------------+---------+
1 row in set (0.14 sec)

要检查MyISAM表是否存在，请使用以下命令。

mysql> SELECT TABLE_NAME,
   ->  ENGINE
   -> FROM information_schema.TABLES
   -> WHERE TABLE_SCHEMA = 'business' and ENGINE = 'MyISAM';

以下是输出结果。

+-------------------------+--------+
| TABLE_NAME              | ENGINE |
+-------------------------+--------+
| studentrecordwithmyisam | MyISAM |
+-------------------------+--------+
1 row in set (0.00 sec)

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