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Legal Studies如何使用 MySQL LIKE 提取設定了多值的欄位？
要在 MySQL 中使用帶 OR 的 LIKE 提取帶有多個值的欄位 -
select *from yourTableName where yourColumnName like ‘%AnyStringValue’ or yourColumnName like ‘%AnyStringValue’ or yourColumnName like ‘%AnyStringValue’ ……...N;
你可以透過一個表來理解 -
mysql> create table LikeDemo −> ( −> Hobby varchar(200) −> ); Query OK, 0 rows affected (1.71 sec)
在表中插入一些記錄，使用 insert 命令。在表中插入記錄的查詢如下 -
mysql> insert into LikeDemo values('Reading Book');
Query OK, 1 row affected (0.13 sec)
mysql> insert into LikeDemo values('Playing Cricket Match');
Query OK, 1 row affected (0.16 sec)
mysql> insert into LikeDemo values('Playing Hockey Match');
Query OK, 1 row affected (0.27 sec)
mysql> insert into LikeDemo values('Reading Novel');
Query OK, 1 row affected (0.14 sec)
mysql> insert into LikeDemo values('Swimming');
Query OK, 1 row affected (0.10 sec)
Displaying all records with the help of select statement. The query is as follows:
mysql> select *from LikeDemo;以下是輸出 -
+-----------------------+ | Hobby | +-----------------------+ | Reading Book | | Playing Cricket Match | | Playing Hockey Match | | Reading Novel | | Swimming | +-----------------------+ 5 rows in set (0.00 sec)
使用 LIKE 提取具有多個值的欄位的查詢如下 -
mysql> select *from LikeDemo where Hobby like '%Cricket%' or Hobby like '%Reading%';
以下是輸出 -
+-----------------------+ | Hobby | +-----------------------+ | Reading Book | | Playing Cricket Match | | Reading Novel | +-----------------------+ 3 rows in set (0.00 sec)
更新於： 25-Jun-2020
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