VSAM for the COBOL ProgrammerThis book teaches you all you need to know to handle VSAM files in your COBOL programs. To make learning easier, this book contains dozens of examples of COBOL programs, JCL listings, and AMS job listings. So you'll see how the various language elements interrelate. And you'll have plenty of practical models to use when you're working with VSAM on your own. |
Contents
The COBOL requirements for VSAM file handling | 11 |
COBOL for entrysequenced data sets | 94 |
COBOL for relative record data sets | 103 |
Copyright | |
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05 FILLER PIC allocate alternate index alternate key AMS commands base cluster COBOL elements COBOL programs control area Control interval Control DATA CLUSTER data component DATA DIVISION DD statement DEFINE CLUSTER command DELETE DLBL statement DOS/VSE Doug Lowe dynamic access entry entry-sequenced error transactions ERRTRAN example Figure FILE STATUS code FILE STATUS field file-name file's ICCF IDCAMS imperative-statement-1 index component index set input interval Control interval INVALID KEY INVMAST INVMAST-ERROR-CODE ISPF IT-ITEM-NO item number KEY clause key field key-sequenced data sets key-sequenced files KSDS LABEL RECORDS location record Logical record master record Mike Murach module MOVE Optional parameter PERFORM PIC X(5 primary key process VSAM files random update program READ statement RECORD KEY RECORDS ARE STANDARD RELATIVE KEY relative record number REWRITE RRDS SELECT statement sequential file sequential update program Specifies the name structure chart topic transaction record upgrade set user catalog VALTRAN VALUE SPACE VM/CMS WRITE