What types of locks can be used in COBOL file handling to prevent concurrent access conflicts?
- Exclusive locks and Shared locks
- Primary locks and Secondary locks
- Read-only locks and Write-only locks
- Record-level locks and File-level locks
COBOL file handling supports two types of locks: Exclusive locks, which allow only one program to access the file at a time, and Shared locks, which permit multiple programs to access the file concurrently for reading purposes.
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