Master Mainframe Technologies - COBOL, JCL, DB2, VSAM, CICS & More
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Practice Problems

Master COBOL, JCL, and mainframe skills with real-world scenarios

109
Total Problems
38
Beginner
47
Intermediate
24
Advanced

📋 Tables & Arrays

COBOL
Create and access a single-dimension table (array)....
table array occurs subscript
Intermediate
COBOL
Create and work with a two-dimensional table....
table 2d matrix nested-occurs
Intermediate
COBOL
Search tables using linear SEARCH and binary SEARCH ALL....
search search-all binary-search indexed
COBOL
Create variable-length table using OCCURS DEPENDING ON....
variable-length depending-on dynamic