Allgemein
[amazon]352845427X[/amazon]

• highscalability.com/

MySQL
[amazon]3897213885[/amazon]

• dev.mysql.com/doc/refman/5.1/de/index.html
• mysqlperformanceblog.com/
  

PostgreSQL

• postgres.de/

Oracle

• de.wikibooks.org/wiki/Oracle