These days it seems that most DBAs are in the position where they need to know multiple database products. I know that in many cases that means a non-IBM database such as SQL Server or Oracle, in addition to one of IBM's database products, but for many DBAs, the reality is multiple IBM products. I've attempted to pull together useful information for DBAs who are in this position.
Zone: DBA Central Products: DB2 Family
DB2 9 for Linux, UNIX, WindowsDB2 9 for Linux, Unix and Windows is a hybrid data server for both XML and relational data that is enabled for SOA and optimized for SAP.Viper: DB2 9 for Linux, UNIX, Windows DB2 podcast series: Voice of the Community Recommended reading list: DB2 for Linux, UNIX, and Windows database administrationCerts, Education, Books, Tutorials: Education ResourcesRedbook: DB2 9 pureXML GuideRetail book: IBM DB2 9 New FeaturesRetail book: Understanding DB2 9 Security
DB2 9 z/OSUse DB2 on the mainframe to run powerful enterprise applications, and make e-commerce a reality.Products: DB2 for z/OS and OS/390 Redbook: Data Integrity with DB2 for z/OSLaunch page: DB2 for z/OSTool site: DB2 and IMS Blog: Willie Favero'sMost resources coming soon... Certs, Education, Books, Tutorials: Education Resources
IDSExceptional, low maintenance online transaction processing (OLTP) data server for enterprise and workgroup computing.Zone: IBM Informix Launch site: IDS Cheetah Blog: Cheetah ExpertsWebcast: Integrated Data Solutions for Information On Demand using IBM Informix Cheetah Article: How to go hand-in-hand with DB2 and InformixRedbook: Informix Dynamic Server V10 . . . Extended Functionality for Modern BusinessTest Run: IDS CheetahChat with the Lab Series: IDSMost resources coming soon... Certs, Education, Books, Tutorials: Education Resources
Oracle or SQL ServerConsider switching... it's easy with these resources:Redbook: Oracle to DB2 UDB Conversion Guide Redbook: Microsoft SQL Server to IBM DB2 UDB Conversion GuideZone: Porting to DB2 for Linux, UNIX, and Windows Station: Migration