Murach's Structured COBOL
Chapter 20 How to develop database programs on an IBM mainframe
DB2 and the relational database model 658
How a relational database is organized 658
How the tables in a relational database are related 660
How to use SQL to work with a DB2 database 662
Introduction to Structured Query Language 662
How to retrieve data from a single table 664
How to join data from two or more tables 666
How to create and work with result tables using embedded SQL 668
A DB2 inquiry program 670
The interactive screen 670
The DCLGEN output 672
The structure chart 674
The COBOL listing 676
How to develop a COBOL program that accesses DB2 data 682
Perspective 684
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