MySQL Not equal

MySQL Not equal is used to return the set of only those records from a table based on the condition specified in the Where Clause.

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MySQL Not equal

     

MySQL Not equal is used to return the set of only those records from a table based on the condition specified in the Where Clause.

Query for creating table name Employee:

The create table is used to create a table Employee which has required fieldnames and its datatype respectively

mysql> CREATE TABLE Employee(
    ->              Empid int(10),
    ->              Empname varchar(60),
    ->              Salary int(90),
    ->              DOB date
    ->            );
Query OK, 0 rows affected (0.01 sec)

Query for  insertion of data in table:

The insert into is used to add the records to table 'Employee'.

mysql>     INSERT INTO Employee (Empid,Empname,Salary,DOB) VALUES
    ->     (01,'Habib',2014,20041202),
    ->     (02,'Girish',4021,20030411),
    ->     (03,'Samia', 22,20080223),
    ->     (04,'Hui Ling', 25,20081015),
    ->     (05,'Yumie', 29,19990126);
Query OK, 5 rows affected (0.00 sec)
Records: 5  Duplicates: 0  Warnings: 0

Query to view data inserted in table:

The Query select is used to return the records from table 'employee'.

mysql> select * from employee;

Output:

+-------+----------+--------+------------+
| Empid | Empname  | Salary | DOB        |
+-------+----------+--------+------------+
| 1     | Habib    | 2014   | 2004-12-02 |
| 2     | Girish    | 4021   | 2003-04-11 |
| 3     | Samia    | 22     | 2008-02-23 |
| 4     | Hui Ling | 25     | 2008-10-15 |
| 5     | Yumie    | 29     | 1999-01-26 |
+-------+----------+--------+------------+
5 rows in set (0.00 sec)

Query to use  MySQL not equal :

The Query MySQL not equal returns only those records from table 'employee' whose employee name and salary are not equal to 'Girish' and '4021'.

mysql> select * from employee where Empname!='Girish'
    -> and salary!=4021;

Output:-

+-------+----------+--------+------------+
| Empid | Empname  | Salary | DOB        |
+-------+----------+--------+------------+
| 3     | Samia    | 22     | 2008-02-23 |
| 4     | Hui Ling | 25     | 2008-10-15 |
| 5     | Yumie    | 29     | 1999-01-26 |
+-------+----------+--------+------------+
3 rows in set (0.02 sec

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MySQL Not equal

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