By Craig S. Mullins
DB2 Developer's advisor is the field's number 1 go-to resource for on-the-job info on programming and administering DB2 on IBM z/OS mainframes. Now, three-time IBM details Champion Craig S. Mullins has completely up to date this vintage for DB2 v9 and v10. Mullins totally covers new DB2 techniques together with temporal database aid; hashing; common tablespaces; pureXML; functionality, defense and governance advancements; new facts forms, and lots more and plenty extra. utilizing present models of DB2 for z/OS, readers will tips on how to: * construct larger databases and purposes for CICS, IMS, batch, CAF, and RRSAF * Write informed, code-optimized DB2 SQL * enforce effective dynamic and static SQL purposes * Use binding and rebinding to optimize functions * successfully create, administer, and deal with DB2 databases and functions * layout, construct, and populate effective DB2 database constructions for on-line, batch, and information warehousing * increase the functionality of DB2 subsystems, databases, utilities, courses, and SQL stat DB2 Developer's advisor, 6th Edition builds at the new angle that has made prior versions so necessary. It combines: * Condensed, easy-to-read insurance of all crucial themes: info another way scattered via dozens of files * certain discussions of an important info inside of every one subject * professional, field-tested implementation recommendation * brilliant examples
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Additional resources for DB2 Developer's Guide: A Solutions-Oriented Approach to Learning the Foundation and Capabilities of DB2 for z/OS
RI was important for the acceptance of DB2 because it helps to assure data integrity within the DBMS. No sooner than V2R1 became GA than IBM announced Version 2 Release 2 on October 4, 1988. But it was not until a year later that it became generally available on September 23, 1988. DB2 V2R2 again bolstered performance in many ways. It also saw the introduction of distributed database support (private protocol) across MVS systems. Version 2 Release 3 was announced on September 5, 1990 and became generally available on October 25, 1991.
Another feature of SQL is that it is not merely a query language. The same language used to query data is used also to define data structures, control access to the data, and insert, modify, and delete occurrences of the data. This consolidation of functions into a single language eases communication between different types of users. DBAs, systems programmers, application programmers, systems analysts, systems designers, and end users all speak a common language: SQL. When all the participants in a project are speaking the same language, a synergy is created that can reduce overall system-development time.
PERFORM PROCESS-UPDATE ŠŠŠŠŠŠŠŠŠŠUNTIL EOF-FLAG = 'Y'. ŠŠŠŠŠPERFORM CLOSE-FILES. ŠŠŠŠŠSTOP RUN. OPEN-FILES. ŠŠŠŠŠOPEN INPUT INPUT-DATASET. ŠŠŠŠŠOPEN OUTPUT OUTPUT-DATASET. PROCESS-UPDATE. ŠŠŠŠŠREAD INPUT-DATASET ŠŠŠŠŠŠŠŠŠŠINTO EMPLOYEE-LAYOUT ŠŠŠŠŠŠŠŠŠŠAT END MOVE 'Y' TO EOF-FLAG. ŠŠŠŠŠIF EOF-FLAG = 'Y' ŠŠŠŠŠŠŠŠŠŠGO TO PROCESS-UPDATE-EXIT. 00 TO BONUS. ŠŠŠŠŠWRITE OUTPUT-DATASET ŠŠŠŠŠŠŠŠŠŠFROM EMPLOYEE-LAYOUT. PROCESS-UPDATE-EXIT. ŠŠŠŠŠEXIT. CLOSE-FILES. ŠŠŠŠŠCLOSE INPUT-DATASET ŠŠŠŠŠŠŠŠŠŠŠOUTPUT-DATASET.