ILE COBOL Programmer's Guide


Defining Externally Described Files

The external description for a file includes:

These specifications come from the external file description and from the OS/400 command you use to create the file.

Externally described files offer the following advantages over program-described files:

Before you can use an externally described file in your program, you must create a DDS to describe the file and create the actual file itself.


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