Book Image

Mastering phpMyAdmin 3.4 for Effective MySQL Management

Book Image

Mastering phpMyAdmin 3.4 for Effective MySQL Management

Overview of this book

phpmyAdmin is one of the most widely used open source applications, which is written in PHP. phpMyAdmin supports a wide range of operations with MySQL. Currently, it can create and drop databases, create/drop/alter tables, delete/edit/add fields, execute any SQL statement, manage keys on fields, manage privileges, export data into various formats and is available in 52 languages.phpMyAdmin is a web-based front-end to manage MySQL databases and has been adopted by a number of Open-Source distributors.Mastering phpMyAdmin 3.4 for Effective MySQL Management is an easy-to-read, step-by-step practical guide that walks you through every facet of this legendary toolóphpMyAdminóand takes you a step ahead in taking full advantage of its potential. This book is filled with illustrative examples that will help you understand every phpMyAdmin feature in detail.This is the official guide to this popular MySQL web interface. It starts with installing and configuring phpMyAdmin, including the phpMyAdmin Configuration Storage, which is the key to its advanced features. This is followed by configuring authentication in phpMyAdmin and setting parameters that influence the interface as a whole.You will also learn some advanced features such as defining inter-table relations with the advanced Designer module. You will practice synchronizing databases on different servers and managing MySQL replication to improve performance and data security. Moreover, you will also store queries as bookmarks for their quick retrieval.In addition to it, this book helps you to learn new features introduced in version 3.4.x such as users' preferences, producing charts and the visual multi-table query builder.
Table of Contents (27 chapters)
Mastering phpMyAdmin 3.4 for Effective MySQL Management
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Index

Limits for the transfer


When we import, the source file is usually on our client machine and, therefore, must travel to the server via HTTP. This transfer takes time and uses resources that may be limited in the web server's PHP configuration.

Instead of using HTTP, we can upload our file to the server using a protocol such as FTP, as described in the Reading files from a web server upload directory section. This method circumvents the web server's PHP upload limits.

Time limits

First, let us consider the time limit. In config.inc.php, the $cfg['ExecTimeLimit'] configuration directive assigns, by default, a maximum execution time of 300 seconds (five minutes) for any phpMyAdmin script, including the scripts that process data after the file has been uploaded. A value of 0 removes the limit, and in theory, gives us infinite time to complete the import operation. If the PHP server is running in safe mode, modifying $cfg['ExecTimeLimit'] will have no effect. This is because the limits set in php...