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| #3591732 in Books | Color: Multicolor | Mc Press | 1998-10-01 | Original language:English | PDF # 1 | 9.00 x.72 x7.00l,1.06 | File type: PDF | 280 pages | Use OPNQRYF to select and sequence records | Create work variables with OPNQRYF | Dynamically join files | Create summary reports and recaps more easily | Write simpler high-level-language programs||2 of 2 people found the following review helpful.| Useful|By A Customer|This is a very useful book to have around. The author takes you through simple open query file syntax to some very complex examples. It has all I needed to know to get the most out of open query file.|2 of 4 people found the following review helpful.| information not sufficient|By A Customer|ok. it may be u|About the Author|Ted Holt has been working with midrange systems since 1981 and has been associated with Midrange Computing since 1990. In addition to serving as a senior technical editor for Midrange Computing, he is a consultant specializing in EDI, Y2K, and A
OPNQRYF (Open Query File) is the most powerful, most complex, and least documented command in the CL language. You can use it to sort and summarize data, but it can also do much more for you. It allows you to create new fields and assign values to them, perform complex joins of multiple files, create new files with existing and calculated fields, select records (even based on summarized data), and much more! The more you learn about OPNQRYF, the more opportunities you wi...
You can specify the type of files you want, for your device.Open Query File Magic! | Ted Holt. I really enjoyed this book and have already told so many people about it!
