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https://www.ibm.com/docs/en/ims/15.5.0?topic=sets-changing-haldb-data-set-name-prefixes IMS 15.5 - Database administration - Changing HALDB data set name prefixes The data set name prefix for each partition is stored in the RECON data set. You can change it using either the HALDB Partition Definition utility (%DFSHALDB)... database administration ims https://www.ibm.com/docs/en/ims/15.6.0?topic=alter-setting-altersze-values-haldb IMS 15.6 - Database administration - Setting ALTERSZE values for HALDB alter To increase the OSAM block size or VSAM CI size of the database data sets when you are modifying the structure of a database with the HALDB alter function, you... database administration ims https://www.ibm.com/docs/en/ims/15.1.0?topic=database-altering-shared-haldb-databases IMS 15 - Database administration - Altering shared HALDB databases In a data-sharing environment, alter processing can be distributed among multiple IMS systems by routing the INIT OLREORG OPTION(ALTER) command to each of the... database administration ims altering shared databases https://www.ibm.com/docs/en/ims/15.5.0?topic=habp-haldb-alter-batch-processing-when-ims-manages-acbs IMS 15.5 - Database administration - HALDB alter and batch processing when IMS manages ACBs When IMS manages ACBs, batch application programs and batch utilities can access a HALDB database while the database is being reorganized by the HALDB alter... https://www.ibm.com/docs/en/ims/15.1.0?topic=dpfehd-considerations-deleting-partition-from-haldb-database-that-uses-secondary-index IMS 15 - Database administration - Considerations for deleting a partition from a HALDB database... If there a HALDB database uses a secondary index, you must be careful when you delete a partition. database administration ims considerations https://www.ibm.com/docs/en/ims/15.6.0?topic=reorganization-locking-impacts-haldb-online IMS 15.6 - Database administration - Locking impacts of HALDB Online Reorganization To maintain partition integrity and recoverability during an online reorganization of a HALDB partition, HALDB Online Reorganization requests a very large... database administration ims https://www.ibm.com/docs/en/ims/15.5.0?topic=mhpds-changing-osam-block-size-haldb-database-data-set IMS 15.5 - Database administration - Changing the OSAM block size for a HALDB database data set The OSAM block size for a HALDB database data set is stored in the RECON data set. https://www.ibm.com/docs/en/ims/15.4.0?topic=sets-naming-convention-haldb-data-set-names IMS 15.4 - Database administration - Naming convention for HALDB data set names You define a part of HALDB data set names and IMS creates the rest. database administration naming convention https://www.ibm.com/docs/en/ims/15.5.0?topic=database-haldb-alter-offline-reorganization IMS 15.5 - Database administration - HALDB alter and offline reorganization After starting HALDB alter on a database, if the alter operation is terminated, you can complete the application of the DBD changes to the database by using... database administration ims alter offline reorganization https://www.ibm.com/docs/en/ims/15.2.0?topic=databases-modifications-haldb-record-segments IMS 15.2 - Database administration - Modifications to HALDB record segments Changes to segments and segment hierarchies in a HALDB database are made in the DBD statements of the DBDGEN process. database administration ims modifications record segments https://www.ibm.com/docs/en/ims/15.4.0?topic=databases-maximum-size-osam-data-sets-haldb IMS 15.4 - Database administration - Setting the maximum size of OSAM data sets for a HALDB database You set the maximum size of the OSAM PHDAM and PHIDAM data sets for a HALDB database in the RECON data set. https://www.ibm.com/docs/en/ims/15.5.0?topic=databases-exit-routine-modifications-haldb IMS 15.5 - Database administration - Exit routine modifications and HALDB databases For most exit routines that you can use with HALDB databases, the methods for modifying them are no different from modifying exit routines for a... database administration ims https://www.ibm.com/docs/en/ims/15.2.0?topic=reorganization-initialization-phase-haldb-online IMS 15.2 - Database administration - The initialization phase for HALDB Online Reorganization You start the online reorganization of a HALDB partition using the INITIATE OLREORG command. database administration https://mediacenter.ibm.com/media/Unit+12%2C+Section+3%3A%C2%A0HALDB+OLR+Commands+and+Logging/1_oc0kiygc Unit 12, Section 3: HALDB OLR Commands and Logging - IBM Mediacenter This video describes the commands used to get information about the OLR process. The video also covers the data that is captured by logging during the OLR... unit section https://www.ibm.com/docs/en/ims/15.5.0?topic=db-haldb-selective-partition-processing IMS 15.5 - Application programming - HALDB selective partition processing You can restrict the processing of DL/I calls to a single HALDB partition or a range of HALDB partitions by using a DD statement with the ddname DFSHALDB to... application programming ims selective partition processing https://www.ibm.com/docs/en/ims/15.6.0?topic=environment-haldb-selective-partition-processing IMS 15.6 - System definition - HALDB selective partition processing You can restrict the processing of DL/I calls to a single HALDB partition or a range of HALDB partitions by using a DD statement with the ddname DFSHALDB to... ims system definition selective partition https://www.ibm.com/docs/en/ims/15.1.0?topic=chhdh-converting-simple-hdam-hidam-databases-haldb-phdam-phidam IMS 15 - Database administration - Converting simple HDAM or HIDAM databases to HALDB PHDAM or... Databases that do not have secondary indexes or logical relationships are referred to as simple databases. If your database uses secondary indexes or logical... https://www.ibm.com/docs/en/ims/15.5.0?topic=reorganization-modifying-tuning-haldb-online IMS 15.5 - Database administration - Modifying and tuning HALDB Online Reorganization Modifying and tuning a HALDB Online Reorganization is performed primarily by modifying the rate at which the reorganization is performed. database administration ims https://www.ibm.com/docs/en/ims/15.1.0?topic=reorganization-restrictions-haldb-online IMS 15 - Database administration - Restrictions for HALDB Online Reorganization The following restrictions apply to HALDB Online Reorganization database administration ims restrictions online reorganization