COBOL Complex File Processing 
...s input from two files, the
Customer Contact file and the
Warranty file. The data is checked for the latest contact information and a master contact log file is generated. The second application merges the master contact file with the old contact log file to create a new master contact log file. This course is based on
ANSI X3.23-1974 and ANSI X3.23-1985 COBOL standards. It is a prerequisite to
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