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

Maintaining a table


During its lifetime, a table repeatedly gets modified and is, therefore, continually growing and shrinking. Outages may occur on the server, leaving some tables in a damaged state.

Using the Operations page, we can perform various operations, which are listed next. However, not every operation is available for every storage engine.

  • Check table: Scans all rows to verify that deleted links are correct. A checksum is also calculated to verify the integrity of the keys. If everything is all right, we will obtain a message stating OK or Table is already up to date; if any other message shows up, it's time to repair this table (refer to the Repair table bullet point).

  • Analyze table: Analyzes and stores the key distribution; this will be used on subsequent JOIN operations to determine the order in which the tables should be joined. This operation should be periodically done (in case data has changed in the table) to improve JOIN efficiency.

  • Repair table: Repairs any corrupted data...