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  1. Preface
  2. Introduction to PowerExchange
  3. DBMOVER Configuration File
  4. Netport Jobs
  5. PowerExchange Message Logs and Destination Overrides
  6. SMF Statistics Logging and Reporting
  7. PowerExchange Security
  8. Secure Sockets Layer Support
  9. PowerExchange Alternative Network Security
  10. PowerExchange Nonrelational SQL
  11. PowerExchange Globalization
  12. Using the PowerExchange ODBC Drivers
  13. PowerExchange Datatypes and Conversion Matrix
  14. Appendix A: DTL__CAPXTIMESTAMP Time Stamps
  15. Appendix B: PowerExchange Glossary

ENQMAJORNAME Statement

ENQMAJORNAME Statement

The ENQMAJORNAME statement specifies the major name for ENQ macros that PowerExchange issues to lock PowerExchange data sets and resources.
z/OS
ENQSYSTEMS
No
ENQMAJORNAME={
major_name
|
DETAIL
}
For the
major_name
variable, enter the major name for ENQ macros that PowerExchange issues to lock PowerExchange data sets and resources, such as the PowerExchange message logs, capture registrations, and DB2 bulk load operations. Default is DETAIL.
  • By default, the scope of ENQ macros that PowerExchange issues is SYSTEM, which means PowerExchange locks data sets within a single system. To change the scope of the ENQ macros that PowerExchange issues to SYSTEMS, specify Y for the ENQSYSTEMS statement.
  • For data set locks, PowerExchange uses the data set name as the minor name in the ENQ macros.
  • For resource locks, PowerExchange uses minor names related to the resource.
    The following table lists the minor names that PowerExchange uses to protect resources:
    ENQ Minor Name
    Usage Description
    DTLAMCPR
    Capture registrations operations.
    DTLCACDC
    CDCT operations.
    DTLDB2
    DB2 LOAD utility operations.
    DTLILCAT
    Updates to the log catalog for CA IDMS/DB log-based CDC.
    DTLLOG
    Updates to the standard PowerExchange message log, DTLLOG.

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