MainframeMaster

COBOL Data Management

Data management encompasses the comprehensive approach to managing data throughout its lifecycle, including governance, quality, security, storage, and compliance. Learn effective data management strategies for reliable data utilization.

Data Lifecycle Management

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
       WORKING-STORAGE SECTION.
       01 DATA-LIFECYCLE.
           05 LIFECYCLE-STAGE PIC X(20).
               88 CREATION-STAGE VALUE 'CREATION'.
               88 PROCESSING-STAGE VALUE 'PROCESSING'.
               88 STORAGE-STAGE VALUE 'STORAGE'.
               88 ARCHIVE-STAGE VALUE 'ARCHIVE'.
               88 DESTRUCTION-STAGE VALUE 'DESTRUCTION'.
           05 LIFECYCLE-METADATA.
               10 CREATION-DATE PIC 9(8).
               10 LAST-ACCESS-DATE PIC 9(8).
               10 RETENTION-PERIOD PIC 9(3).
               10 DATA-OWNER PIC X(20).
               10 DATA-CLASSIFICATION PIC X(10).
       
       PROCEDURE DIVISION.
       PERFORM MANAGE-DATA-LIFECYCLE
       
       MANAGE-DATA-LIFECYCLE.
           EVALUATE LIFECYCLE-STAGE
               WHEN CREATION-STAGE
                   PERFORM HANDLE-DATA-CREATION
               WHEN PROCESSING-STAGE
                   PERFORM HANDLE-DATA-PROCESSING
               WHEN STORAGE-STAGE
                   PERFORM HANDLE-DATA-STORAGE
               WHEN ARCHIVE-STAGE
                   PERFORM HANDLE-DATA-ARCHIVE
               WHEN DESTRUCTION-STAGE
                   PERFORM HANDLE-DATA-DESTRUCTION
           END-EVALUATE.

Manage data throughout its complete lifecycle from creation to destruction. Track data stages, metadata, retention periods, and implement appropriate handling for each lifecycle stage.

Data Governance Framework

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
       WORKING-STORAGE SECTION.
       01 DATA-GOVERNANCE.
           05 GOVERNANCE-POLICIES.
               10 DATA-POLICY-ID PIC 9(6).
               10 POLICY-NAME PIC X(30).
               10 POLICY-DESCRIPTION PIC X(100).
               10 POLICY-OWNER PIC X(20).
               10 POLICY-STATUS PIC X.
                   88 POLICY-ACTIVE VALUE 'A'.
                   88 POLICY-INACTIVE VALUE 'I'.
           05 DATA-STEWARDSHIP.
               10 STEWARD-ID PIC 9(6).
               10 STEWARD-NAME PIC X(30).
               10 STEWARD-ROLE PIC X(20).
               10 DATA-DOMAINS PIC X(100).
       
       PROCEDURE DIVISION.
       PERFORM IMPLEMENT-DATA-GOVERNANCE
       
       IMPLEMENT-DATA-GOVERNANCE.
           MOVE 100001 TO DATA-POLICY-ID
           MOVE 'CUSTOMER_DATA_POLICY' TO POLICY-NAME
           MOVE 'Policy for customer data handling and privacy' TO POLICY-DESCRIPTION
           MOVE 'DATA_GOVERNANCE_TEAM' TO POLICY-OWNER
           MOVE 'A' TO POLICY-STATUS
           
           MOVE 200001 TO STEWARD-ID
           MOVE 'JOHN_SMITH' TO STEWARD-NAME
           MOVE 'DATA_STEWARD' TO STEWARD-ROLE
           MOVE 'CUSTOMER_DATA,ACCOUNT_DATA' TO DATA-DOMAINS
           
           DISPLAY 'Data governance implemented:'
           DISPLAY 'Policy: ' POLICY-NAME
           DISPLAY 'Owner: ' POLICY-OWNER
           DISPLAY 'Steward: ' STEWARD-NAME.

Implement comprehensive data governance framework with policies, procedures, roles, and responsibilities. Establish data stewardship and governance oversight for effective data management.

Data Quality Management

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
       WORKING-STORAGE SECTION.
       01 DATA-QUALITY-MANAGEMENT.
           05 QUALITY-METRICS.
               10 COMPLETENESS-SCORE PIC 9(3)V99.
               10 ACCURACY-SCORE PIC 9(3)V99.
               10 CONSISTENCY-SCORE PIC 9(3)V99.
               10 TIMELINESS-SCORE PIC 9(3)V99.
               10 OVERALL-QUALITY PIC 9(3)V99.
           05 QUALITY-CONTROLS.
               10 VALIDATION-RULES PIC X(200).
               10 CLEANSING-RULES PIC X(200).
               10 QUALITY-THRESHOLD PIC 9(3)V99 VALUE 95.00.
       
       PROCEDURE DIVISION.
       PERFORM MANAGE-DATA-QUALITY
       
       MANAGE-DATA-QUALITY.
           *> Calculate quality metrics
           PERFORM CALCULATE-COMPLETENESS-SCORE
           PERFORM CALCULATE-ACCURACY-SCORE
           PERFORM CALCULATE-CONSISTENCY-SCORE
           PERFORM CALCULATE-TIMELINESS-SCORE
           
           *> Calculate overall quality score
           COMPUTE OVERALL-QUALITY = (COMPLETENESS-SCORE + ACCURACY-SCORE + 
                                     CONSISTENCY-SCORE + TIMELINESS-SCORE) / 4
           
           *> Check against threshold
           IF OVERALL-QUALITY < QUALITY-THRESHOLD
               DISPLAY 'Warning: Data quality below threshold'
               DISPLAY 'Overall quality: ' OVERALL-QUALITY '%'
               PERFORM INITIATE-QUALITY-IMPROVEMENT
           ELSE
               DISPLAY 'Data quality acceptable: ' OVERALL-QUALITY '%'
           END-IF.

Implement comprehensive data quality management with metrics for completeness, accuracy, consistency, and timeliness. Monitor quality scores and initiate improvement actions when thresholds are not met.

Data Security Management

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
       WORKING-STORAGE SECTION.
       01 DATA-SECURITY-MANAGEMENT.
           05 SECURITY-CONTROLS.
               10 ACCESS-CONTROL PIC X(20).
               10 ENCRYPTION-STATUS PIC X.
                   88 DATA-ENCRYPTED VALUE 'Y'.
                   88 DATA-NOT-ENCRYPTED VALUE 'N'.
               10 BACKUP-STATUS PIC X.
                   88 BACKUP-CURRENT VALUE 'Y'.
                   88 BACKUP-OUTDATED VALUE 'N'.
           05 SECURITY-AUDIT.
               10 AUDIT-FREQUENCY PIC X(10).
               10 LAST-AUDIT-DATE PIC 9(8).
               10 AUDIT-FINDINGS PIC X(200).
       
       PROCEDURE DIVISION.
       PERFORM MANAGE-DATA-SECURITY
       
       MANAGE-DATA-SECURITY.
           MOVE 'ROLE_BASED_ACCESS' TO ACCESS-CONTROL
           MOVE 'Y' TO ENCRYPTION-STATUS
           MOVE 'Y' TO BACKUP-STATUS
           MOVE 'MONTHLY' TO AUDIT-FREQUENCY
           MOVE 20231201 TO LAST-AUDIT-DATE
           MOVE 'No security issues found' TO AUDIT-FINDINGS
           
           DISPLAY 'Data security management:'
           DISPLAY 'Access control: ' ACCESS-CONTROL
           DISPLAY 'Encryption: ' ENCRYPTION-STATUS
           DISPLAY 'Backup status: ' BACKUP-STATUS
           DISPLAY 'Last audit: ' LAST-AUDIT-DATE.

Implement comprehensive data security management including access controls, encryption, backup procedures, and regular security audits. Maintain security policies and monitor compliance.

Data Classification and Handling

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
       WORKING-STORAGE SECTION.
       01 DATA-CLASSIFICATION.
           05 CLASSIFICATION-LEVEL PIC X.
               88 PUBLIC-DATA VALUE 'P'.
               88 INTERNAL-DATA VALUE 'I'.
               88 CONFIDENTIAL-DATA VALUE 'C'.
               88 SECRET-DATA VALUE 'S'.
           05 HANDLING-REQUIREMENTS.
               10 STORAGE-REQUIREMENTS PIC X(50).
               10 ACCESS-REQUIREMENTS PIC X(50).
               10 TRANSMISSION-REQUIREMENTS PIC X(50).
               10 RETENTION-REQUIREMENTS PIC X(50).
       
       PROCEDURE DIVISION.
       PERFORM CLASSIFY-AND-HANDLE-DATA
       
       CLASSIFY-AND-HANDLE-DATA.
           EVALUATE CLASSIFICATION-LEVEL
               WHEN PUBLIC-DATA
                   MOVE 'STANDARD_STORAGE' TO STORAGE-REQUIREMENTS
                   MOVE 'GENERAL_ACCESS' TO ACCESS-REQUIREMENTS
                   MOVE 'STANDARD_TRANSMISSION' TO TRANSMISSION-REQUIREMENTS
                   MOVE 'STANDARD_RETENTION' TO RETENTION-REQUIREMENTS
               WHEN CONFIDENTIAL-DATA
                   MOVE 'ENCRYPTED_STORAGE' TO STORAGE-REQUIREMENTS
                   MOVE 'AUTHORIZED_ACCESS_ONLY' TO ACCESS-REQUIREMENTS
                   MOVE 'ENCRYPTED_TRANSMISSION' TO TRANSMISSION-REQUIREMENTS
                   MOVE 'EXTENDED_RETENTION' TO RETENTION-REQUIREMENTS
               WHEN SECRET-DATA
                   MOVE 'HIGH_SECURITY_STORAGE' TO STORAGE-REQUIREMENTS
                   MOVE 'RESTRICTED_ACCESS' TO ACCESS-REQUIREMENTS
                   MOVE 'SECURE_TRANSMISSION' TO TRANSMISSION-REQUIREMENTS
                   MOVE 'PERMANENT_RETENTION' TO RETENTION-REQUIREMENTS
           END-EVALUATE
           
           DISPLAY 'Data classification: ' CLASSIFICATION-LEVEL
           DISPLAY 'Storage: ' STORAGE-REQUIREMENTS
           DISPLAY 'Access: ' ACCESS-REQUIREMENTS.

Classify data based on sensitivity levels and implement appropriate handling requirements. Define storage, access, transmission, and retention requirements for each classification level.

Data Retention and Archival

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
       WORKING-STORAGE SECTION.
       01 DATA-RETENTION-ARCHIVAL.
           05 RETENTION-POLICY.
               10 RETENTION-PERIOD PIC 9(3).
               10 RETENTION-UNIT PIC X(10).
                   88 RETENTION-DAYS VALUE 'DAYS'.
                   88 RETENTION-MONTHS VALUE 'MONTHS'.
                   88 RETENTION-YEARS VALUE 'YEARS'.
               10 ARCHIVE-THRESHOLD PIC 9(3).
               10 DESTRUCTION-DATE PIC 9(8).
           05 ARCHIVAL-CONTROLS.
               10 ARCHIVE-FREQUENCY PIC X(10).
               10 ARCHIVE-LOCATION PIC X(50).
               10 ARCHIVE-FORMAT PIC X(20).
       
       PROCEDURE DIVISION.
       PERFORM MANAGE-RETENTION-ARCHIVAL
       
       MANAGE-RETENTION-ARCHIVAL.
           MOVE 7 TO RETENTION-PERIOD
           MOVE 'YEARS' TO RETENTION-UNIT
           MOVE 1 TO ARCHIVE-THRESHOLD
           MOVE 'MONTHLY' TO ARCHIVE-FREQUENCY
           MOVE '/ARCHIVE/CUSTOMER_DATA/' TO ARCHIVE-LOCATION
           MOVE 'COMPRESSED_FORMAT' TO ARCHIVE-FORMAT
           
           *> Calculate destruction date
           COMPUTE DESTRUCTION-DATE = FUNCTION CURRENT-DATE + (RETENTION-PERIOD * 365)
           
           DISPLAY 'Retention policy:'
           DISPLAY 'Period: ' RETENTION-PERIOD ' ' RETENTION-UNIT
           DISPLAY 'Archive frequency: ' ARCHIVE-FREQUENCY
           DISPLAY 'Destruction date: ' DESTRUCTION-DATE.

Implement data retention and archival policies with defined retention periods, archival thresholds, and destruction dates. Manage archival frequency and storage locations for compliance.

Data Compliance Management

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
       WORKING-STORAGE SECTION.
       01 DATA-COMPLIANCE.
           05 COMPLIANCE-FRAMEWORK.
               10 FRAMEWORK-NAME PIC X(30).
               10 FRAMEWORK-VERSION PIC X(10).
               10 COMPLIANCE-STATUS PIC X.
                   88 COMPLIANT VALUE 'Y'.
                   88 NON-COMPLIANT VALUE 'N'.
           05 COMPLIANCE-REQUIREMENTS.
               10 REQUIREMENT-ID PIC 9(6).
               10 REQUIREMENT-DESCRIPTION PIC X(100).
               10 REQUIREMENT-STATUS PIC X.
                   88 REQUIREMENT-MET VALUE 'Y'.
                   88 REQUIREMENT-NOT-MET VALUE 'N'.
       
       PROCEDURE DIVISION.
       PERFORM MANAGE-DATA-COMPLIANCE
       
       MANAGE-DATA-COMPLIANCE.
           MOVE 'GDPR_COMPLIANCE' TO FRAMEWORK-NAME
           MOVE 'V2.1' TO FRAMEWORK-VERSION
           MOVE 'Y' TO COMPLIANCE-STATUS
           
           MOVE 300001 TO REQUIREMENT-ID
           MOVE 'Data subject consent management' TO REQUIREMENT-DESCRIPTION
           MOVE 'Y' TO REQUIREMENT-STATUS
           
           DISPLAY 'Compliance management:'
           DISPLAY 'Framework: ' FRAMEWORK-NAME ' ' FRAMEWORK-VERSION
           DISPLAY 'Status: ' COMPLIANCE-STATUS
           DISPLAY 'Requirement: ' REQUIREMENT-DESCRIPTION
           DISPLAY 'Met: ' REQUIREMENT-STATUS.

Manage data compliance with regulatory frameworks like GDPR, SOX, HIPAA, and industry standards. Track compliance requirements, status, and ensure ongoing adherence to regulations.

Data Management Monitoring

cobol
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
       WORKING-STORAGE SECTION.
       01 DATA-MANAGEMENT-MONITORING.
           05 MONITORING-METRICS.
               10 DATA-VOLUME PIC 9(12).
               10 DATA-GROWTH-RATE PIC 9(3)V99.
               10 STORAGE-UTILIZATION PIC 9(3)V99.
               10 ACCESS-FREQUENCY PIC 9(8).
           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-MANAGEMENT
       
       MONITOR-DATA-MANAGEMENT.
           MOVE 1000000000 TO DATA-VOLUME
           MOVE 15.50 TO DATA-GROWTH-RATE
           MOVE 85.75 TO STORAGE-UTILIZATION
           MOVE 50000 TO ACCESS-FREQUENCY
           
           *> Check for alerts
           IF STORAGE-UTILIZATION > 90
               MOVE 'STORAGE_CAPACITY' TO ALERT-TYPE
               MOVE 'C' TO ALERT-SEVERITY
               MOVE 'Storage utilization exceeds 90% - immediate action required' TO ALERT-MESSAGE
               PERFORM SEND-ALERT
           ELSE IF STORAGE-UTILIZATION > 80
               MOVE 'STORAGE_CAPACITY' TO ALERT-TYPE
               MOVE 'W' TO ALERT-SEVERITY
               MOVE 'Storage utilization exceeds 80% - monitor closely' TO ALERT-MESSAGE
               PERFORM SEND-ALERT
           END-IF
           
           DISPLAY 'Data management monitoring:'
           DISPLAY 'Data volume: ' DATA-VOLUME ' bytes'
           DISPLAY 'Growth rate: ' DATA-GROWTH-RATE '%'
           DISPLAY 'Storage utilization: ' STORAGE-UTILIZATION '%'.

Implement comprehensive monitoring of data management activities including volume, growth rates, storage utilization, and access patterns. Set up alerts for proactive management.

Data Logging

Audit trails and logging

Data Storage

Data storage techniques