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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