She laid emphasis on knowledge of DB2 products ( z/OS vs LUW vs Pure scale ). z / OS is a 64 - bit operating system for IBM mainframes, produced by IBM. It derives from and is the successor to OS/390, which in turn followed a string of MVS versions. LUW (Linux / Unix / Windows) in DB2, is a database server product developed by IBM. Sometimes called DB2 LUW for brevity, it is part of the DB2 family of database products. DB2 pureScale is a tightly integrated database clustering solution using IBM DB2 for Linux, UNIX and Windows. |