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Large Database Backup: Backup large MySQL databases into multiple files

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Picture of Nadir Latif
Name: Nadir Latif is available for providing paid consulting. Contact Nadir Latif .
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This class can be used to backup large MySQL databases into multiple files.

It can list the tables of a given MySQL database and generate SQL statements to create and insert records with the current values of the table rows, as if it was creating a new database. The class stores the generated SQL statements in files.

A full backup process can be split in multiple iterations to not exceed PHP default script execution time limit. Each iteration dumps a limited number of table rows. An iteration can be executed by a script that redirects the page request to itself at the end to proceed to the next iteration.

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Name: Large Database Backup
Base name: backupmysql
Description: Backup large MySQL databases into multiple files
Version: 1.0
PHP version: 4.0
License: GNU General Public License (GPL)
All time users: 3741 users
All time rank: 795
Week users: 3 users
Week rank: 618 Up
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Group folder image Databases Database management, accessing and searching View top rated classes
Group folder image Systems administration System configuration and management View top rated classes

  Innovation Award  
PHP Programming Innovation award nominee
July 2007
Number 2

Prize: One downloadable copy of PhpED Professional
There are many pure PHP solutions for taking backup copies of MySQL databases.

Most solutions are suitable to run on restricted PHP hosting environments. However, if you have a large database it may take more time to create a backup copy than the default 30 second PHP script execution time limit. The backup process may not finish before the script is aborted.

This class provides a clever solution that avoids that problem. It splits the backup process into multiple steps, each extracting a limited number of table rows. This way, each step may take less time than the PHP execution time limit.

Manuel Lemos

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  Pages that reference this package  
MySQL Copy Table from One Database to Another
Sometime in MySQL you want to copy an entire table from one database to a separate database...

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  Files folder image Files  
File Role Description
Accessible without login Plain text file connection_details.csv Data Contains configuration details
Accessible without login Plain text file db_backup.php Example sample file
Plain text file mysql_backup.php Class Contains all functions
Accessible without login Plain text file readme.txt Doc. Help file
Accessible without login Plain text file backup_details.csv Data Data file

Download Download all files: backupmysql.tar.gz backupmysql.zip
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