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MySQL Tutorial - Create a Table for Transaction Testing

By: FYIcenter.com

(Continued from previous topic...)

How To Create a Table for Transaction Testing?

If you want to learn transaction management, you should create a table with the InnoDB storage engine. The default storage engine MyISAM does not support the transaction concept. The tutorial exercise below shows you a good example of creating a new table with the InnoDB storage engine:

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

mysql> DROP TABLE fyi_links;

mysql> CREATE TABLE fyi_links (id INTEGER PRIMARY KEY,
  url VARCHAR(16) NOT NULL,
  notes VARCHAR(16),
  counts INTEGER,
  created TIMESTAMP DEFAULT CURRENT_TIMESTAMP())
  ENGINE = InnoDB;
Query OK, 0 rows affected (0.25 sec)

mysql> SHOW CREATE TABLE fyi_links;
CREATE TABLE `fyi_links` (
  `id` int(11) NOT NULL,
  `url` varchar(16) NOT NULL,
  `notes` varchar(16) default NULL,
  `counts` int(11) default NULL,
  `created` timestamp NOT NULL default CURRENT_TIMESTAMP,
  PRIMARY KEY  (`id`)
) ENGINE=InnoDB DEFAULT CHARSET=latin1
1 row in set (0.05 sec)

You should keep this table for to practice other tutorial exercises presented in this collection.

(Continued on next topic...)

  1. What Is a Transaction?
  2. How To Start a New Transaction?
  3. How To End the Current Transaction?
  4. How To Create a Table for Transaction Testing?
  5. How To Switch between Autocommit-On and Autocommit-Off Modes?
  6. How To Find Out the Current Transaction Mode?
  7. How To Start a New Transaction Explicitly?
  8. How To Commit the Current Transaction?
  9. How To Rollback the Current Transaction?
  10. What Happens to the Current Transaction If a START TRANSACTION Is Executed?
  11. What Happens to the Current Transaction If a DDL Statement Is Executed?
  12. What Happens to the Current Transaction If the Session Is Ended?
  13. What Happens to the Current Transaction If the Session Is Killed?
  14. How Does MySQL Handle Read Consistency?
  15. What Are Transaction Isolation Levels?
  16. How To View and Change the Current Transaction Isolation Level?
  17. What Is a Data Lock?
  18. How To Experiment Data Locks?
  19. How Long a Transaction Will Wait for a Data Lock?
  20. What Happens to Your Transactions When ERROR 1205 Occurred?
  21. What Is a Dead Lock?
  22. How To Experiment Dead Locks?
  23. What Happens to Your Transactions When ERROR 1213 Occurred?
  24. What Are Impacts on Applications from Locks, Timeouts, and DeadLocks?

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