November 1998
Beginner
496 pages
14h 6m
English
Content preview from Sams Teach Yourself COBOL in 24 Hours
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Hour 12Tables
Tables are the COBOL version of an array. Tables have a variety of uses, from subtotal tracking to data validation. Table handling is an integral part of many COBOL programs. In this hour, you learn the different aspects of table handling, including
• The definition of a table
• Populating a table in Working-Storage
• Table searches
• Handling variable-length tables
Defining a Table
A table is a set of different data items with identical definitions. They are defined so that the individual items in the set can be accessed via a reference, known as a subscript. Tables are also known as arrays. When a table is defined, the number ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.