This edition applies to Version 7 of IBM DATABASE 2 Universal Database Server for OS/390 and z/OS (DB2 for OS/390 and z/OS), 5675-DB2, and to any subsequent releases until otherwise indicated in new editions. Make sure you are using the correct edition for the level of the product. This softcopy version is based on the printed edition of the book and includes the changes indicated in the printed version by vertical bars. Additional changes made to this softcopy version of the book since the hardcopy book was published are indicated by the hash (#) symbol in the left-hand margin. Editorial changes that have no technical significance are not noted. This and other books in the DB2 for OS/390 and z/OS library are periodically updated with technical changes. These updates are made available to licensees of the product on CD-ROM and on the Web (currently at www.ibm.com/software/data/db2/os390/library.html). Check these resources to ensure that you are using the most current information.

大型机Mainframe面试题，全是英文的，希望对需要大型机工作的人有所帮助。