MainframeMaster

COBOL Data Movement

Data movement transfers data between different systems, files, databases, or storage locations using various techniques. Learn efficient data transfer, migration, and bulk operations for system integration.

Batch Data Movement

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       WORKING-STORAGE SECTION.
       01 BATCH-MOVEMENT.
           05 MOVEMENT-CONTROL.
               10 SOURCE-FILE PIC X(30).
               10 TARGET-FILE PIC X(30).
               10 RECORD-COUNT PIC 9(8) VALUE 0.
               10 MOVEMENT-STATUS PIC X.
                   88 MOVEMENT-SUCCESS VALUE 'S'.
                   88 MOVEMENT-FAILED VALUE 'F'.
           05 MOVEMENT-METRICS.
               10 START-TIME PIC 9(6).
               10 END-TIME PIC 9(6).
               10 ELAPSED-TIME PIC 9(6).
               10 RECORDS-PER-SECOND PIC 9(6).
       
       PROCEDURE DIVISION.
       PERFORM BATCH-DATA-MOVEMENT
       
       BATCH-DATA-MOVEMENT.
           MOVE 'CUSTOMER_SOURCE.DAT' TO SOURCE-FILE
           MOVE 'CUSTOMER_TARGET.DAT' TO TARGET-FILE
           MOVE FUNCTION CURRENT-TIME TO START-TIME
           
           OPEN INPUT SOURCE-FILE
           OPEN OUTPUT TARGET-FILE
           
           PERFORM UNTIL EOF
               READ SOURCE-FILE AT END SET EOF TO TRUE
               NOT AT END
                   WRITE TARGET-RECORD FROM SOURCE-RECORD
                   ADD 1 TO RECORD-COUNT
               END-READ
           END-PERFORM
           
           CLOSE SOURCE-FILE TARGET-FILE
           
           MOVE FUNCTION CURRENT-TIME TO END-TIME
           COMPUTE ELAPSED-TIME = END-TIME - START-TIME
           COMPUTE RECORDS-PER-SECOND = RECORD-COUNT / ELAPSED-TIME
           
           MOVE 'S' TO MOVEMENT-STATUS
           DISPLAY 'Batch movement completed:'
           DISPLAY 'Records moved: ' RECORD-COUNT
           DISPLAY 'Elapsed time: ' ELAPSED-TIME ' seconds'
           DISPLAY 'Rate: ' RECORDS-PER-SECOND ' records/second'.

Implement batch data movement for transferring large volumes of data between systems. Use efficient I/O operations, track metrics, and monitor performance for optimal data transfer.

Real-Time Data Movement

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       WORKING-STORAGE SECTION.
       01 REAL-TIME-MOVEMENT.
           05 MOVEMENT-TRIGGER PIC X.
               88 DATA-CHANGE-TRIGGER VALUE 'C'.
               88 TIME-TRIGGER VALUE 'T'.
               88 MANUAL-TRIGGER VALUE 'M'.
           05 MOVEMENT-BUFFER.
               10 BUFFER-SIZE PIC 9(6) VALUE 1000.
               10 BUFFER-COUNT PIC 9(6) VALUE 0.
               10 BUFFER-DATA PIC X(1000).
       
       PROCEDURE DIVISION.
       PERFORM REAL-TIME-DATA-MOVEMENT
       
       REAL-TIME-DATA-MOVEMENT.
           PERFORM UNTIL MOVEMENT-STOPPED
               PERFORM CHECK-MOVEMENT-TRIGGERS
               IF MOVEMENT-TRIGGER = 'C'
                   PERFORM PROCESS-DATA-CHANGE
               ELSE IF MOVEMENT-TRIGGER = 'T'
                   PERFORM PROCESS-TIME-TRIGGER
               END-IF
               
               *> Process buffer when full
               IF BUFFER-COUNT >= BUFFER-SIZE
                   PERFORM FLUSH-MOVEMENT-BUFFER
               END-IF
           END-PERFORM.
       
       PROCESS-DATA-CHANGE.
           *> Add changed data to buffer
           ADD 1 TO BUFFER-COUNT
           MOVE CHANGED-DATA TO BUFFER-DATA(BUFFER-COUNT)
           
           DISPLAY 'Data change processed: ' BUFFER-COUNT
           DISPLAY 'Buffer utilization: ' BUFFER-COUNT '/' BUFFER-SIZE.

Implement real-time data movement for immediate data synchronization. Use triggers, buffering, and efficient processing to handle data changes as they occur.

Data Migration

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       WORKING-STORAGE SECTION.
       01 DATA-MIGRATION.
           05 MIGRATION-PLAN.
               10 MIGRATION-ID PIC 9(8).
               10 SOURCE-SYSTEM PIC X(20).
               10 TARGET-SYSTEM PIC X(20).
               10 MIGRATION-PHASE PIC X(20).
               10 MIGRATION-STATUS PIC X.
                   88 MIGRATION-PLANNED VALUE 'P'.
                   88 MIGRATION-IN-PROGRESS VALUE 'I'.
                   88 MIGRATION-COMPLETED VALUE 'C'.
           05 MIGRATION-METRICS.
               10 TOTAL-RECORDS PIC 9(8).
               10 MIGRATED-RECORDS PIC 9(8).
               10 FAILED-RECORDS PIC 9(8).
               10 SUCCESS-RATE PIC 9(3)V99.
       
       PROCEDURE DIVISION.
       PERFORM EXECUTE-DATA-MIGRATION
       
       EXECUTE-DATA-MIGRATION.
           MOVE 12345678 TO MIGRATION-ID
           MOVE 'LEGACY_SYSTEM' TO SOURCE-SYSTEM
           MOVE 'NEW_SYSTEM' TO TARGET-SYSTEM
           MOVE 'DATA_EXTRACTION' TO MIGRATION-PHASE
           MOVE 'I' TO MIGRATION-STATUS
           
           MOVE 0 TO TOTAL-RECORDS
           MOVE 0 TO MIGRATED-RECORDS
           MOVE 0 TO FAILED-RECORDS
           
           *> Execute migration phases
           PERFORM EXTRACT-SOURCE-DATA
           PERFORM TRANSFORM-DATA
           PERFORM LOAD-TARGET-DATA
           PERFORM VALIDATE-MIGRATION
           
           *> Calculate success rate
           IF TOTAL-RECORDS > 0
               COMPUTE SUCCESS-RATE = (MIGRATED-RECORDS / TOTAL-RECORDS) * 100
           ELSE
               MOVE 0 TO SUCCESS-RATE
           END-IF
           
           DISPLAY 'Migration completed:'
           DISPLAY 'Total records: ' TOTAL-RECORDS
           DISPLAY 'Migrated: ' MIGRATED-RECORDS
           DISPLAY 'Failed: ' FAILED-RECORDS
           DISPLAY 'Success rate: ' SUCCESS-RATE '%'.

Execute comprehensive data migration from legacy systems to new systems. Plan migration phases, track progress, validate results, and calculate success rates for complete migration.

Data Replication

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       WORKING-STORAGE SECTION.
       01 DATA-REPLICATION.
           05 REPLICATION-CONTROL.
               10 MASTER-SYSTEM PIC X(20).
               10 REPLICA-SYSTEM PIC X(20).
               10 REPLICATION-MODE PIC X(10).
                   88 SYNCHRONOUS-REPLICATION VALUE 'SYNC'.
                   88 ASYNCHRONOUS-REPLICATION VALUE 'ASYNC'.
               10 REPLICATION-FREQUENCY PIC X(10).
           05 REPLICATION-STATUS.
               10 LAST-REPLICATION PIC 9(8).
               10 REPLICATION-LAG PIC 9(6).
               10 SYNC-STATUS PIC X.
                   88 SYSTEMS-SYNCED VALUE 'Y'.
                   88 SYSTEMS-OUT-OF-SYNC VALUE 'N'.
       
       PROCEDURE DIVISION.
       PERFORM EXECUTE-DATA-REPLICATION
       
       EXECUTE-DATA-REPLICATION.
           MOVE 'PRIMARY_SYSTEM' TO MASTER-SYSTEM
           MOVE 'BACKUP_SYSTEM' TO REPLICA-SYSTEM
           MOVE 'ASYNC' TO REPLICATION-MODE
           MOVE 'HOURLY' TO REPLICATION-FREQUENCY
           
           *> Check replication status
           PERFORM CHECK-REPLICATION-SYNC
           
           IF SYSTEMS-OUT-OF-SYNC
               PERFORM INITIATE-REPLICATION
               MOVE FUNCTION CURRENT-DATE TO LAST-REPLICATION
               DISPLAY 'Replication initiated: ' LAST-REPLICATION
           ELSE
               DISPLAY 'Systems are synchronized'
           END-IF
           
           DISPLAY 'Replication status:'
           DISPLAY 'Master: ' MASTER-SYSTEM
           DISPLAY 'Replica: ' REPLICA-SYSTEM
           DISPLAY 'Mode: ' REPLICATION-MODE
           DISPLAY 'Frequency: ' REPLICATION-FREQUENCY.

Implement data replication for backup and disaster recovery. Use synchronous or asynchronous replication modes with appropriate frequencies and monitor synchronization status.

Data Synchronization

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       WORKING-STORAGE SECTION.
       01 DATA-SYNCHRONIZATION.
           05 SYNC-CONTROL.
               10 SYNC-TYPE PIC X(20).
                   88 BIDIRECTIONAL-SYNC VALUE 'BIDIRECTIONAL'.
                   88 UNIDIRECTIONAL-SYNC VALUE 'UNIDIRECTIONAL'.
               10 SYNC-SCHEDULE PIC X(20).
               10 CONFLICT-RESOLUTION PIC X(20).
           05 SYNC-METRICS.
               10 SYNC-RECORDS PIC 9(8).
               10 CONFLICT-RECORDS PIC 9(8).
               10 SYNC-DURATION PIC 9(6).
       
       PROCEDURE DIVISION.
       PERFORM EXECUTE-DATA-SYNCHRONIZATION
       
       EXECUTE-DATA-SYNCHRONIZATION.
           MOVE 'BIDIRECTIONAL' TO SYNC-TYPE
           MOVE 'EVERY_15_MINUTES' TO SYNC-SCHEDULE
           MOVE 'LAST_WRITER_WINS' TO CONFLICT-RESOLUTION
           
           MOVE 0 TO SYNC-RECORDS
           MOVE 0 TO CONFLICT-RECORDS
           MOVE FUNCTION CURRENT-TIME TO SYNC-START-TIME
           
           *> Perform synchronization
           PERFORM SYNC-SYSTEM-A-TO-B
           PERFORM SYNC-SYSTEM-B-TO-A
           PERFORM RESOLVE-CONFLICTS
           
           MOVE FUNCTION CURRENT-TIME TO SYNC-END-TIME
           COMPUTE SYNC-DURATION = SYNC-END-TIME - SYNC-START-TIME
           
           DISPLAY 'Synchronization completed:'
           DISPLAY 'Records synced: ' SYNC-RECORDS
           DISPLAY 'Conflicts resolved: ' CONFLICT-RECORDS
           DISPLAY 'Duration: ' SYNC-DURATION ' seconds'.

Implement data synchronization between multiple systems with conflict resolution. Use bidirectional or unidirectional sync with appropriate scheduling and conflict resolution strategies.

Data Archival Movement

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       WORKING-STORAGE SECTION.
       01 DATA-ARCHIVAL-MOVEMENT.
           05 ARCHIVAL-CRITERIA.
               10 ARCHIVE-DATE PIC 9(8).
               10 ARCHIVE-THRESHOLD PIC 9(8).
               10 ARCHIVE-CONDITION PIC X(50).
           05 ARCHIVAL-OPERATIONS.
               10 ARCHIVE-LOCATION PIC X(50).
               10 ARCHIVE-FORMAT PIC X(20).
               10 COMPRESSION-STATUS PIC X.
                   88 DATA-COMPRESSED VALUE 'Y'.
                   88 DATA-NOT-COMPRESSED VALUE 'N'.
       
       PROCEDURE DIVISION.
       PERFORM EXECUTE-DATA-ARCHIVAL
       
       EXECUTE-DATA-ARCHIVAL.
           MOVE FUNCTION CURRENT-DATE TO ARCHIVE-DATE
           MOVE 20220101 TO ARCHIVE-THRESHOLD
           MOVE 'RECORD_DATE < 20220101' TO ARCHIVE-CONDITION
           MOVE '/ARCHIVE/OLD_DATA/' TO ARCHIVE-LOCATION
           MOVE 'COMPRESSED_FORMAT' TO ARCHIVE-FORMAT
           MOVE 'Y' TO COMPRESSION-STATUS
           
           *> Identify records for archival
           PERFORM IDENTIFY-ARCHIVE-RECORDS
           
           *> Move records to archive
           PERFORM MOVE-TO-ARCHIVE
           
           *> Compress archived data
           IF DATA-COMPRESSED
               PERFORM COMPRESS-ARCHIVED-DATA
           END-IF
           
           DISPLAY 'Data archival completed:'
           DISPLAY 'Archive date: ' ARCHIVE-DATE
           DISPLAY 'Threshold: ' ARCHIVE-THRESHOLD
           DISPLAY 'Location: ' ARCHIVE-LOCATION
           DISPLAY 'Compressed: ' COMPRESSION-STATUS.

Execute data archival movement for long-term storage. Identify records based on criteria, move to archive locations, and compress data for efficient storage management.

Data Movement Optimization

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       WORKING-STORAGE SECTION.
       01 MOVEMENT-OPTIMIZATION.
           05 OPTIMIZATION-TECHNIQUES.
               10 BULK-OPERATIONS PIC X.
                   88 BULK-ENABLED VALUE 'Y'.
                   88 BULK-DISABLED VALUE 'N'.
               10 PARALLEL-PROCESSING PIC X.
                   88 PARALLEL-ENABLED VALUE 'Y'.
                   88 PARALLEL-DISABLED VALUE 'N'.
               10 COMPRESSION PIC X.
                   88 COMPRESSION-ENABLED VALUE 'Y'.
                   88 COMPRESSION-DISABLED VALUE 'N'.
           05 PERFORMANCE-METRICS.
               10 OPTIMIZATION-GAIN PIC 9(3)V99.
               10 PROCESSING-TIME PIC 9(6).
               10 THROUGHPUT PIC 9(8).
       
       PROCEDURE DIVISION.
       PERFORM OPTIMIZE-DATA-MOVEMENT
       
       OPTIMIZE-DATA-MOVEMENT.
           MOVE 'Y' TO BULK-OPERATIONS
           MOVE 'Y' TO PARALLEL-PROCESSING
           MOVE 'Y' TO COMPRESSION
           
           *> Measure baseline performance
           PERFORM MEASURE-BASELINE-PERFORMANCE
           
           *> Apply optimizations
           IF BULK-ENABLED
               PERFORM ENABLE-BULK-OPERATIONS
           END-IF
           
           IF PARALLEL-ENABLED
               PERFORM ENABLE-PARALLEL-PROCESSING
           END-IF
           
           IF COMPRESSION-ENABLED
               PERFORM ENABLE-COMPRESSION
           END-IF
           
           *> Measure optimized performance
           PERFORM MEASURE-OPTIMIZED-PERFORMANCE
           
           *> Calculate optimization gain
           COMPUTE OPTIMIZATION-GAIN = ((OPTIMIZED-TIME - BASELINE-TIME) / BASELINE-TIME) * 100
           
           DISPLAY 'Data movement optimization:'
           DISPLAY 'Bulk operations: ' BULK-OPERATIONS
           DISPLAY 'Parallel processing: ' PARALLEL-PROCESSING
           DISPLAY 'Compression: ' COMPRESSION
           DISPLAY 'Optimization gain: ' OPTIMIZATION-GAIN '%'.

Optimize data movement performance using bulk operations, parallel processing, compression, and efficient I/O techniques. Measure performance improvements and calculate optimization gains.

Data Movement Monitoring

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       WORKING-STORAGE SECTION.
       01 MOVEMENT-MONITORING.
           05 MONITORING-METRICS.
               10 MOVEMENT-VOLUME PIC 9(12).
               10 MOVEMENT-RATE PIC 9(8).
               10 ERROR-COUNT PIC 9(6).
               10 SUCCESS-RATE PIC 9(3)V99.
           05 MONITORING-ALERTS.
               10 ALERT-TYPE PIC X(20).
               10 ALERT-SEVERITY PIC X.
                   88 CRITICAL-ALERT VALUE 'C'.
                   88 WARNING-ALERT VALUE 'W'.
               10 ALERT-MESSAGE PIC X(200).
       
       PROCEDURE DIVISION.
       PERFORM MONITOR-DATA-MOVEMENT
       
       MONITOR-DATA-MOVEMENT.
           MOVE 5000000000 TO MOVEMENT-VOLUME
           MOVE 100000 TO MOVEMENT-RATE
           MOVE 5 TO ERROR-COUNT
           MOVE 99.90 TO SUCCESS-RATE
           
           *> Check for alerts
           IF SUCCESS-RATE < 95
               MOVE 'SUCCESS_RATE_LOW' TO ALERT-TYPE
               MOVE 'C' TO ALERT-SEVERITY
               MOVE 'Data movement success rate below 95%' TO ALERT-MESSAGE
               PERFORM SEND-ALERT
           ELSE IF SUCCESS-RATE < 98
               MOVE 'SUCCESS_RATE_WARNING' TO ALERT-TYPE
               MOVE 'W' TO ALERT-SEVERITY
               MOVE 'Data movement success rate below 98%' TO ALERT-MESSAGE
               PERFORM SEND-ALERT
           END-IF
           
           DISPLAY 'Data movement monitoring:'
           DISPLAY 'Volume: ' MOVEMENT-VOLUME ' bytes'
           DISPLAY 'Rate: ' MOVEMENT-RATE ' records/second'
           DISPLAY 'Success rate: ' SUCCESS-RATE '%'
           DISPLAY 'Errors: ' ERROR-COUNT.

Monitor data movement activities with comprehensive metrics including volume, rate, error counts, and success rates. Set up alerts for proactive monitoring and issue detection.

Data Management

Data lifecycle and governance

Bulk Operations

Bulk data processing techniques