Articles about DB2 covering both management and technicalities.

Official homepage for IBM DB2 on all platforms, including support, orders, downloads, and technical libraries.

Redbooks, named for their red covers, are technical how to books written by IBM professionals. They can be downloaded as PDF documents.

Contains data sheets, demos, documentation, publications, reports, tutorials, and videos.

The official manual for DB2. It contains instructions and full reference of DB2 functionality.

Contains edition descriptions, resources, downloads, and case studies for DB2 on LUW.

IDUG is the International DB2 Users Group. IDUG provides information and support to DB2 Users and Vendors about DB2 database products, DB2 conferences, other DB2 user groups, and other DB2 vendors.

Directory of DB2 blogs

Graeme Birchall, a DB2 for LUW authority, puts out free PDF-format "SQL cookbooks" with sample code, tricks and hints.

Free edition of DB2.