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MySQL查询找到匹配项并获取记录

2024-04-28 14:41:03 446

要从记录中查找匹配项，请使用MySQLIN()。让我们首先创建一个表-

mysql> create table DemoTable
(
   Id int,
   FirstName varchar(20),
   Gender ENUM('Male','Female')
);

使用插入命令在表中插入一些记录-

mysql> insert into DemoTable values(1,'Chris','Male');
mysql> insert into DemoTable values(10,'Emma','Female');
mysql> insert into DemoTable values(9,'Emma','Male');
mysql> insert into DemoTable values(11,'Isabella','Female');

使用select语句显示表中的所有记录-

mysql> select *from DemoTable;

这将产生以下输出-

+------+-----------+--------+
| Id   | FirstName | Gender |
+------+-----------+--------+
|    1 | Chris     | Male   |
|   10 | Emma      | Female |
|    9 | Emma      | Male   |
|   11 | Isabella  | Female |
+------+-----------+--------+
4 rows in set (0.00 sec)

以下是查找与ID1和11匹配并获取记录的查询-

mysql> select *from DemoTable where Id IN(1,11);

这将产生以下输出-

+------+-----------+--------+
| Id   | FirstName | Gender |
+------+-----------+--------+
|    1 | Chris     | Male   |
|   11 | Isabella  | Female |
+------+-----------+--------+
2 rows in set (0.00 sec)

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MySQL查询找到匹配项并获取记录

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