In COBOL, what is the LEVEL number used for in the data description entry (FD)?
- To assign a priority level to the data item
- To define the number of occurrences in an OCCURS clause
- To indicate the level of nesting in nested programs
- To specify the hierarchy of a record
The LEVEL number in COBOL's FD (File Description) entry is used to specify the hierarchy or level of a record. It indicates the position of a data item in the hierarchy of the record structure.
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