WHAT RDBMS ( SQL SERVER/ ORACLE ) close to manage MYSQL(DBA) i have a requirement for learning MYSQL for DBA. here all training institutes teach on ORACLE AND SQL SERVER.
SQL is mandatory to work on RDBMS. what RDBMS SYNTAX CLOSE TO MYSQL for DBA(backups, restore, performance tuning, etc  )
You can refer MySQL certification exam program and read MySQL documentation to know better about MySQL.

MySQL is much easy to setup and learn than SQL server and Oracle. 

http://education.oracle.com/pls/web_prod-plq-dad/db_pages.getpage?page_id=458&amp;get_params=p_track_id:MDBA