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 will find to use it in your applications. This book ...
Read More
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 will find to use it in your applications. This book explains the ins and outs of OPNQRYF from the basic operations through the most complex mapping and selection parameters. This new edition of the best-selling book includes invaluable new material. There are new chapters on date data type, ILE, and the Year 2000 issue. The book is reorganized to make it more useful not only as a learning tool, but also as a reference for on-going value.
Read Less
Add this copy of Open Query File Magic! : a Complete Guide to Maximizing to cart. $34.15, good condition, Sold by Greenworld Books rated 4.0 out of 5 stars, ships from Arlington, TX, UNITED STATES, published 1998 by Mc Press.
Choose your shipping method in Checkout. Costs may vary based on destination.
Seller's Description:
Good condition. It may show normal signs of use such as light writing highlighting or library markings but all pages are intact and the book is fully readable. A solid complete copy that's ready to enjoy.
Add this copy of Open Query File Magic! : a Complete Guide to Maximizing to cart. $35.07, good condition, Sold by ThriftBooks-Atlanta rated 4.0 out of 5 stars, ships from Austell, GA, UNITED STATES, published 1998 by Mc Press.
Add this copy of Open Query File Magic! : a Complete Guide to Maximizing to cart. $65.42, good condition, Sold by Bonita rated 4.0 out of 5 stars, ships from Santa Clarita, CA, UNITED STATES, published 1998 by Mc Press.
Add this copy of Open Query File Magic! : a Complete Guide to Maximizing to cart. $90.12, new condition, Sold by Just one more Chapter rated 4.0 out of 5 stars, ships from Miramar, FL, UNITED STATES, published 1998 by Mc Press.
