What Are Storage Engines

Q

What Are Storage Engines? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB

✍: FYIcenter.com

A

Storage engines are programs that are integrated into MySQL database management system to manage data tables. MySQL 5.0 supports the following major storage engines:

MyISAM Storage Engine - MySQL default storage engine. Based on ISAM database concept. MyISAM is not transaction safe.
InnoDB Storage Engine - A transaction safe storage engine developed by Innobase Oy (an Oracle company).
BDB (BerkeleyDB) Storage Engine - A transaction safe storage engine originally developed at U.C. Berkeley. Sleepycat Software, Inc. was created in 1996 to continue BDB development. Sleepycat is an Oracle company now.
CSV Storage Engine - A simple storage engine storing data as text files using comma-separated values format.
MEMORY (HEAP) Storage Engine Storage Engine - A storage engine storing data in computer main memory.

2007-05-10, 5408👍, 0💬

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Where Are User Privileges Stored on the Server
Where Are User Privileges Stored on the Server? - MySQL FAQs - Managing User Accounts and Access Privileges MySQL server has a system database, which hosts a number of system tables to system related information like user privileges. Depending on the scope levels, granted user privileges are stored ... 2007-05-08, 5775👍, 0💬

How To View User Privileges
How To View User Privileges? - MySQL FAQs - Managing User Accounts and Access Privileges If a regular user wants to see his/her own granted privileges, he/she can use the "SHOW GRANTS" command. If the "root" user wants to see other user's granted privileges, he/she can use the "SHOW GRANTS FOR userN... 2007-05-10, 5600👍, 0💬

How To Grant User Privileges at the Database Level
How To Grant User Privileges at the Database Level? - MySQL FAQs - Managing User Accounts and Access Privileges If you want to grant a user privilege at the database level, you can use the "GRANT privilegeName ON databaseName.* TO userName" command. The argument "databasename.*" in the command stand... 2007-05-10, 5482👍, 0💬

What Are Storage Engines
What Are Storage Engines? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB Storage engines are programs that are integrated into MySQL database management system to manage data tables. MySQL 5.0 supports the following major storage engines: MyISAM Storage Engine - MySQL default storage engine.... 2007-05-10, 5409👍, 0💬

How To Restore Tables by Copying MyISAM Table Files
How To Restore Tables by Copying MyISAM Table Files? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB If you have old copies of MyISAM table files, you can restore them easily by copying them back to the data directory to replace the current table files. However you may need to shutdown MySQL ... 2007-05-10, 5238👍, 0💬

How To Backup Tables by Copying MyISAM Table Files
How To Backup Tables by Copying MyISAM Table Files? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB To easiest way to backup MyISAM tables is to copy the data files to a backup directory. But this is not the recommended way to do backups. Read the backup FAQ collections for more details. The ... 2007-05-10, 5235👍, 0💬

How To Check and Repair MyISAM Tables
How To Check and Repair MyISAM Tables? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB If you have a corrupted MyISAM table, like the one resulted from the previous tutorial exercise, you can use the "CHECK TABLE" and "REPAIR TABLE" commands to try to repair it. The following tutorial exercis... 2007-05-10, 5208👍, 0💬

Where Table Data Is Stored by the MyISAM Storage Engine
Where Table Data Is Stored by the MyISAM Storage Engine? - MySQL FAQs - Storage Engines: MyISAM, InnoDB and BDB By default, MySQL provides \mysql\data directory for all storage engines to store table data. Under \mysql\data directory, each database will have its own subdirectory to store table data.... 2007-05-10, 5182👍, 0💬

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