Modern COBOL doesn't exist in a vacuum. The book covers how COBOL interacts with (Customer Information Control System) for online processing and DB2 for relational database management. 4. The IBM Mainframe Environment

COBOL is often criticized for "spaghetti code." Murach teaches from day one, showing you how to write modular, maintainable code using the Identification, Environment, Data, and Procedure divisions. 2. VSAM and File Handling

Quickly find the exact syntax for a SEARCH ALL or EVALUATE statement.