PHP and MySQL Programming/Common Functions and Operators
COUNT
[edit | edit source]mysql_query(" SELECT COUNT(*|`field_name`) FROM `table_name` ");
SUM
[edit | edit source]mysql> SELECT SUM(`field_name`) FROM `table_name`;
mysql_query(" SELECT COUNT(*|`field_name`) FROM `table_name` ");
mysql> SELECT SUM(`field_name`) FROM `table_name`;
 Basic Queries
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PHP and MySQL Programming Common Functions and Operators |
XML and PHP 
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