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Select from table where value does not exist with MySQL?
For this, you can use NOT IN() −
mysql> create table DemoTable1991 ( StudentId int NOT NULL AUTO_INCREMENT PRIMARY KEY, StudentName varchar(20) ); Query OK, 0 rows affected (0.61 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable1991(StudentName) values('Chris');
Query OK, 1 row affected (0.24 sec)
mysql> insert into DemoTable1991(StudentName) values('Bob');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable1991(StudentName) values('David');
Query OK, 1 row affected (0.08 sec)
mysql> insert into DemoTable1991(StudentName) values('Sam');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable1991(StudentName) values('Mike');
Query OK, 1 row affected (0.11 sec)Display all records from the table using select statement −
mysql> select * from DemoTable1991;
This will produce the following output −
+-----------+-------------+ | StudentId | StudentName | +-----------+-------------+ | 1 | Chris | | 2 | Bob | | 3 | David | | 4 | Sam | | 5 | Mike | +-----------+-------------+ 5 rows in set (0.03 sec)
Here is the query to select * from table where value does not exist:
mysql> select * from DemoTable1991
where StudentName NOT IN('Bob','Sam','Mike');This will produce the following output −
+-----------+-------------+ | StudentId | StudentName | +-----------+-------------+ | 1 | Chris | | 3 | David | +-----------+-------------+ 2 rows in set (0.04 sec)
Updated on: 02-Jan-2020
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