It's never too late to start learning about databases, because they're pretty much ubiquitous and you're bound to bump into them sooner or later. We've gathered 20+ tools to help you get started working with them.
Cacti.net - Works with RRDtool to provide more graphing options, advanced templating, and more.
Database Administration and SQL Scripts - A large collection of database scripts and articles.
dbForums.com - A very active forum for database developers of all types.
Dev Shed - A large collection of tutorials on working with MySQL.
FirebirdSQL.org - An open source relational database with SQL standard features and cross-platform compatible.
FlameRobin.org - A database management tool for use with FlamebirdSQL.
Ganglia - A scalable distributed monitoring system that works with RRDtools.
How To Forge - A collection of articles on how to do some “out of the norm†tasks with MySQL.
ibWebAdmin.net - An administration front end for Firebird and InterBase databases.
MySQLQuickAdmin.com - A free graphical user interface for use with MySQL.
Oracle FAQs - A collection of FAQs about Oracle database administration.
pgAdmin.org - An open source project for administrating and developing PostgreSQL projects.
phpMyAdmin.net - Probably the best known database manager out there today for SQL.
phpPgAdmin - A we-based admin tool for PostgreSQL.
PostgreSQL.org - An open source, object orientated SQL database system.
RRDTool - A “round robin†database that keeps the data footprint a constant size.
SQLite Aministrator - A tool to help create, design, and administer databases.
SS64.com - A collection of commands for Oracle and SQL.
ToadSoft.com - A database development tool for Oracle, SQL Server, DB2 and more.
TurboDbAdmin - An AJAX powered Database management solution.
Zmanda - An open source backup solution for your MySQL projects. (via)