Mysql variables and multiple queries in PDO. UPDATE query doesn't work

Mysql variables and multiple queries in PDO. UPDATE query doesn't work



1.PDO Tutorial for MySQL Developers - Hashphp.org

Description:Why use PDO? mysql_* functions are getting old. For a long
time now mysql_* has been at odds with other common SQL database
programming interfaces.



2.MySQL :: MySQL 5.0 Reference Manual :: 13.2.10 UPDATE Syntax

Description:Updating multiple fields based on query results ... mysql>
update test ... I'd like to resume the argument and related work-around:
1. multi-table UPDATE doesn't ...



3.MySQL :: MySQL 5.0 Reference Manual :: 9.4 User-Defined Variables

Description:mysql> SET @c = "c1"; Query OK, 0 rows affected ... the
numbering doesn't restart every time ID changes. ... each time you want to
assign user variables in an update, ...



4.PHP: mysql_query - Manual - PHP: Hypertext Preprocessor

Description:Warning. This extension is deprecated as of PHP 5.5.0, and
will be removed in the future. Instead, the MySQLi or PDO_MySQL extension
should be used.



5.PHP PDO - exec (INSERT, UPDATE, DELETE) MySQL

Description:PHP PDO, using the exec method to perform MySQL query, INSERT,
UPDATE, DELETE



6.PHP: PDO::query - Manual - PHP: Hypertext Preprocessor

Description:PDO::query() executes an SQL statement in a single function
call, returning the result set (if any) returned by the statement as a
PDOStatement object.



7.PHP variable doesn't load with MySQL update query - Stack Overflow

Description:PHP variable doesn't load with MySQL update query. ...
Multiple PHP variables in MySQL query. 0 Using PDO to Update MySQL
Database… but doesn't update ...



8.php - PDO MySQL: Insert multiple rows in one query - Stack ...

Description:PDO MySQL: Insert multiple rows in one query. ... PDO Array
from MySQL Query into Insert Queries ... My PDO bulk insert prepared query
doesn't work, ...



9.Advanced MySQL user variable techniques at Xaprb

Description:MySQL's user variables have interesting properties that enable
the useful techniques I wrote about in recent articles. One property is
that you can read from and ...



10.update multiple columns using mysql UPDATE - Dev Articles

Description:update multiple columns using mysql UPDATE- MySQL Development.
Visit Dev Articles to discuss update multiple columns using mysql UPDATE