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How do I return multiple results in a MySQL subquery with IN()?
In MySQL, you can easily return multiple results, but also achieve this with subquery using IN(). Let us first create a table −
mysql> create table DemoTable1317 -> ( -> Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, -> Name varchar(20) -> ); Query OK, 0 rows affected (0.49 sec)
Insert some records in the table using insert command
mysql> insert into DemoTable1317(Name) values('Chris Brown');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable1317(Name) values('John Doe');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable1317(Name) values('Adam Smith');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable1317(Name) values('John Smith');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable1317(Name) values('David Miller');
Query OK, 1 row affected (0.10 sec)
mysql> insert into DemoTable1317(Name) values('Carol Taylor');
Query OK, 1 row affected (0.14 sec)Display all records from the table using select statement −
mysql> select *from DemoTable1317;
Output
+----+--------------+ | Id | Name | +----+--------------+ | 1 | Chris Brown | | 2 | John Doe | | 3 | Adam Smith | | 4 | John Smith | | 5 | David Miller | | 6 | Carol Taylor | +----+--------------+ 6 rows in set (0.00 sec)
Following is the query to return multiple results in a MySQL subquery −
mysql> select Name from DemoTable1317 -> where Id IN ( select Id from DemoTable1317);
Output
+--------------+ | Name | +--------------+ | Chris Brown | | John Doe | | Adam Smith | | John Smith | | David Miller | | Carol Taylor | +--------------+ 6 rows in set (0.00 sec)
Updated on: 04-Nov-2019
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