Glossary

BLOCK CONTAINS

Specifies the blocking factor. Blocking combines multiple logical records into a single physical block, dramatically improving I/O performance:

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Intermediate COBOL — Chapter 11: Sequential File Processing

Related Terms

"and" pattern "Batch Job Restart/Recovery Patterns" "Batch Processing Best Practices on z/OS" "Best Practices for COBOL Error Handling" "Checkpoint/Restart in Enterprise COBOL" "COBOL and DB2: Developing Applications on z/OS" "COBOL Copybook Parsing for Data Integration" "COBOL Sequential File Processing Patterns"

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