mysql distinct example - select distinct row(s) of table(s) using sql command
mysql-distinct-example.php
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<h2>mysql distinct example - select distinct row(s) of table(s) using sql command</h2>
<pre>
<?php
/*
----------------------------------------------------------------------------------------------
WE WANT TO SELECT ALL OCCURANCE OF DepartmentName FROM departments TABLE BY USING SQL COMMAND
----------------------------------------------------------------------------------------------
*/
$sql = "SELECT DepartmentName FROM departments";
/*
-------------------------------------------------------------------------------------------
NOW WE WANT TO SELECT DISTINCT DepartmentName FROM departments TABLE BY USING SQL COMMAND
DISTINCT == DUPLICATELESS
-------------------------------------------------------------------------------------------
*/
$sql = "SELECT DISTINCT DepartmentName FROM departments";
/*
----------------------------------------------------
USING PHP YOU CAN DO THIS.
GET CONNECTION TO DATABASE BY USING : mysql_connect()
SELECT DATABASE BY USING : mysql_select_db()
THEN RUN THE QUERY
----------------------------------------------------
*/
mysql_connect('localhost', 'root', 'root');
mysql_select_db('hr');
mysql_query($sql);
/*
-----------------------------------------------------------------------------
TO RUN THE PHP CODE PROVIDE REAL DATA TO mysql_connect AND mysql_select_db()
-----------------------------------------------------------------------------
*/
?>
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