Murach's Mainframe COBOL |
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| Chapter 16 | How to use the sort/merge feature | |
| Concepts for sorting and merging | 454 | |
| Sorting concepts | 454 | |
| Merging concepts | 456 | |
| Why COBOL sorts and merges improve efficiency | 458 | |
| COBOL for sorting | 460 | |
| How to code Select and SD statements | 460 | |
| How to code the Sort statement | 462 | |
| How to code the Release statement | 464 | |
| How to code the Return statement | 464 | |
| An edit-sort-and-update program | 466 | |
| The program specifications | 466 | |
| The structure chart | 468 | |
| The COBOL code | 470 | |
| Efficiency considerations | 472 | |
| COBOL for merging | 476 | |
| How to code the Merge statement | 476 | |
| How to use the Sort statement to merge files | 478 | |
| How to merge files using JCL | 478 | |
| Two more sort/merge considerations | 480 | |
| IBM special registers | 480 | |
| The FASTSRT compiler option | 480 | |
| Perspective | 482 | |
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© Copyright 1998-2009 Mike Murach & Associates, Inc. All rights reserved. |
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