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MySQL Tutorial - Tables Using BDB Storage Engine

By: FYIcenter.com

(Continued from previous topic...)

How To Create a New Table Using the BDB Storage Engine?

BDB (BerkeleyDB) storage engine was originally developed at U.C. Berkeley. It is now maintained by Sleepycat Software, Inc., which is an Oracle company now. BDB is transaction safe, and has been used in products from many companies, like Cisco Systems.

BDB is not the default storage engine. You need to specify "ENGINE = BDB" at the end of the "CREATE TABLE" statement to create new tables with the BDB storage engine. The tutorial exercise below shows you a good example:

>cd \mysql\bin
>mysql -u dev -piyf fyi

mysql> CREATE TABLE fyi_bdb (
  id INTEGER PRIMARY KEY,
  title VARCHAR(80), 
  count INTEGER )
  ENGINE = BDB;
Query OK, 0 rows affected, 1 warning (0.07 sec)

mysql> SHOW CREATE TABLE fyi_bdb;
  CREATE TABLE `fyi_bdb` (
  `id` int(11) NOT NULL,
  `title` varchar(80) default NULL,
  `count` int(11) default NULL,
  PRIMARY KEY  (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 
1 row in set (0.02 sec)

mysql> drop table fyi_bdb;
Query OK, 0 rows affected (0.00 sec)

The "SHOW CREATE TABLE" command reports that table "fyi_bdb" was actually created with the MyISAM storage engine. This is because the BDB storage engine is not included in the default "mysqld" configuration.

(Continued on next topic...)

  1. What Are Storage Engines?
  2. How To Create a New Table Using MyISAM Storage Engine?
  3. Where Table Data Is Stored by the MyISAM Storage Engine?
  4. How To Backup Tables by Copying MyISAM Table Files?
  5. How To Restore Tables by Copying MyISAM Table Files?
  6. How To Check and Repair MyISAM Tables?
  7. How To Create a New Table Using the InnoDB Storage Engine?
  8. Where Table Data Is Stored by the InnoDB Storage Engine?
  9. How To Create a New Table Using the BDB Storage Engine?
  10. How To Start mysqld to Support the BDB Storage Engine?
  11. Where Table Data Is Stored by the BDB Storage Engine?
  12. How To Create a New Table Using the CSV Storage Engine?
  13. How To Create a New Table Using the MEMORY Storage Engine?
  14. What Happens to MEMORY Tables When MySQL Server Is Stopped?
  15. How To See Which Storage Engines Are Supported in Your MySQL Server?

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