What is a free replication database?

Question

I need to have 2 or 3 synchronized sql database instances in different places. Which of the FREE databases can do this?

Answer 1

mysql can do this as well as postgresql

• www.mysql.com
• www.postgresql.org

I only have experience with mysql, for more information just check the documentation:

• http://dev.mysql.com/doc/refman/5.0/en/replication.html

It can help you set up base cluster and replication.

Answer 2

you can do it with mysql

check these links:

http://dev.mysql.com/tech-resources/articles/syncman/index.html

http://www.sitepoint.com/article/mysql-data-sqlyog-job-agent/

Answer 3

PostgreSQL , . , . slony (Slony-I), . , .

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Answer 4

- MySQL 5.1 . , - , :)

( , MySQL, - . row-based MySQL 5.1). , http://www.linuxtopia.org/online_books/database_guides/mysql_5.1_database_reference_guide/replication-sbr-rbr.html. .