Backing Up and Emailing Home Directory and SQL Databases

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Old 08-04-2009
MySQL backup : Look at my first script
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mysql_unbuffered_query - Send an SQL query to MySQL without fetching and buffering the result rows.

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. See also MySQL: choosing an API guide and related FAQ for more information. Alternatives to this function include: oSee: Buffered and Unbuffered queries resource mysql_unbuffered_query (string $query, [resource $link_identifier = NULL]) DESCRIPTION
mysql_unbuffered_query(3) sends the SQL query $query to MySQL without automatically fetching and buffering the result rows as mysql_query(3) does. This saves a considerable amount of memory with SQL queries that produce large result sets, and you can start working on the result set immediately after the first row has been retrieved as you don't have to wait until the complete SQL query has been per- formed. To use mysql_unbuffered_query(3) while multiple database connections are open, you must specify the optional parameter $link_iden- tifier to identify which connection you want to use. o $query - The SQL query to execute. Data inside the query should be properly escaped. o $ link_identifier -The MySQL connection. If the link identifier is not specified, the last link opened by mysql_connect(3) is assumed. If no such link is found, it will try to create one as if mysql_connect(3) was called with no arguments. If no connection is found or established, an E_WARNING level error is generated. For SELECT, SHOW, DESCRIBE or EXPLAIN statements, mysql_unbuffered_query(3) returns a resource on success, or FALSE on error. For other type of SQL statements, UPDATE, DELETE, DROP, etc, mysql_unbuffered_query(3) returns TRUE on success or FALSE on error. Note The benefits of mysql_unbuffered_query(3) come at a cost: you cannot use mysql_num_rows(3) and mysql_data_seek(3) on a result set returned from mysql_unbuffered_query(3), until all rows are fetched. You also have to fetch all result rows from an unbuffered SQL query before you can send a new SQL query to MySQL, using the same $link_identifier. mysql_query(3). PHP Documentation Group MYSQL_UNBUFFERED_QUERY(3)