MYSQL TUTORIALS - MySQL Update Query
MySQL Update Query
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Syntax:
UPDATE table_name SET field1=new-value1, field2=new-value2 [WHERE Clause]ADVERTISEMENTSExample:
root@host# mysql -u root -p password; Enter password:******* mysql> use TUTORIALS; Database changed mysql> UPDATE tutorials_tbl -> SET tutorial_title='Learning JAVA' -> WHERE tutorial_id=3; Query OK, 1 row affected (0.04 sec) Rows matched: 1 Changed: 1 Warnings: 0 mysql>ADVERTISEMENTSExample:
<?php $dbhost = 'localhost:3036'; $dbuser = 'root'; $dbpass = 'rootpassword'; $conn = mysql_connect($dbhost, $dbuser, $dbpass); if(! $conn ) { die('Could not connect: ' . mysql_error()); } $sql = 'UPDATE tutorials_tbl SET tutorial_title="Learning JAVA" WHERE tutorial_id=3'; mysql_select_db('TUTORIALS'); $retval = mysql_query( $sql, $conn ); if(! $retval ) { die('Could not update data: ' . mysql_error()); } echo "Updated data successfully\n"; mysql_close($conn); ?>