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https://forums.mysql.com/profile.php?35,10100769 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://learn.oracle.com/ols/favorites/56098 Oracle Database Administration Student Subscription | Learn Oracle | Oracle Training and... A complete learning subscription for Database Administrators. The Database Administration Student subscription includes content for the install and upgrade to... oracle databasestudent subscriptionadministrationlearntraining https://www.ibm.com/docs/en/ims/15.3.0?topic=security-restricting-scope-data-access IMS 15.3 - Database administration - Restricting the scope of data access You can restrict a user's access to (and even knowledge of) elements of a database by limiting the view of a database that you define for an application... database administrationthe scopeims https://www.ibm.com/docs/en/ims/15.3.0?topic=databases-dedb-insert-algorithm IMS 15.3 - Database administration - DEDB insert algorithm The DEDB insert algorithm searches for additional space when space is not available in the most desirable block. database administrationimsinsertalgorithm https://www.ibm.com/docs/en/ims/15.5.0?topic=buffers-options-improving-vsam-buffer-performance IMS 15.5 - Database administration - Options for improving VSAM buffer performance You can make a number of adjustments to improve the performance of VSAM buffers. database administrationims https://www.ibm.com/docs/en/ims/15.5.0?topic=databases-database-administration-tasks IMS 15.5 - Database administration - Database administration tasks The database administration tasks relevant to IMS databases are listed in this topic. database administrationimstasks https://forums.mysql.com/profile.php?35,17538733 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://www.ibm.com/docs/en/ims/15.2.0?topic=functions-summary-ims-database-types IMS 15.2 - Database administration - Summary of IMS database types and functions The following table provides a summary of characteristics, functions, and options of the different types of IMS databases. database administrationimssummarytypesfunctions https://www.ibm.com/docs/en/ims/15.6.0?topic=formats-lchild-segment-type-format IMS 15.6 - Database administration - LCHILD segment type format The IMS catalog LCHILD segment type contains information about a relationship between segment types. database administrationsegment typeimsformat https://www.ibm.com/docs/en/ims/15.4.0?topic=haldb-deleting-database-information-from-recon-data-set IMS 15.4 - Database administration - Deleting the database information from the RECON data set Delete database information for each logically related database from the RECON data sets. database administration https://www.ibm.com/docs/en/ims/15.3.0?topic=development-code-inspection-2 IMS 15.3 - Database administration - Code inspection 2 The objective of the second code inspection is to make sure module logic matches pseudo code or flowcharts. Interface and register conventions along with the... database administrationcode inspectionims https://www.ibm.com/docs/en/ims/15.5.0?topic=indexes-how-sparse-indexing-suppresses-index-entries IMS 15.5 - Database administration - How sparse indexing suppresses index entries When a source segment is loaded, inserted, or replaced in the database, DL/I automatically creates or maintains the pointer segment in the index. This happens... database administrationims https://www.sedatasolutions.io/ Database Administration (DBA) Consulting Services | Soaring Eagle Data Solutions Data Solutions and Data Support For SMB and SME businesses in Florida and USA. SQL, Oracle, Cloud, Azure, AWS, PowerBi solutions based in Tampa Florida.... database administrationconsulting servicessoaring eagledbasolutions https://www.mydbanotes.com/ My notes on Oracle Database Administration -- Moid my notesoracle databaseadministrationmoid 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 administrationims https://www.ibm.com/docs/en/ims/15.1.0?topic=databases-maximum-sizes-hd IMS 15 - Database administration - Maximum sizes of HD databases The maximum possible size of HDAM, PHDAM, HIDAM, and PHIDAM databases is based on the number of data sets the database can hold and the size of the data sets.... database administrationimsmaximumsizeshd https://www.dbagenesis.com/ DBA Genesis - Database Administration Courses Learn to administer some of the world's biggest oracle databases. Explore DBA Genesis easy-to-follow oracle dba training, access all our course material,... database administrationdbagenesiscourses https://www.ibm.com/docs/en/ims/15.6.0?topic=utility-database-pcb-statement IMS 15.6 - Database administration - The database PCB statement The database PCB statement defines the DBD of the database that the application program will access. database administrationimspcbstatement https://www.ibm.com/docs/en/ims/15.5.0?topic=options-buffer-handler IMS 15.5 - Database administration - The buffer handler When a buffer is needed, an internal component called the buffer handler selects the buffer at the bottom of the use chain, because buffers that are least... database administrationimsbufferhandler https://lists.wikimedia.org/hyperkitty/list/wikimedia-l@lists.wikimedia.org/thread/MQIWZAKWYFKXWUPWWDF6XGD3WRQIYP2D/ Database administration support (was Re: IRC office hours: Shared hosting) - Wikimedia-l -... database administration https://www.ibm.com/docs/en/ims/15.6.0?topic=tables-dropping-column IMS 15.6 - Database administration - Dropping a column You can drop a column by using the ALTER TABLE statement with a DROP COLUMN clause. Only one DROP COLUMN clause is supported in an ALTER TABLE statement. To... database administrationimsdroppingcolumn 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 administrationims 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 administrationimsalteringshareddatabases https://forums.mysql.com/profile.php?35,172149 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://philipmcclarence.com/ Database Administration, Database Contractor Oracle Consulting and Database Administration Advice and Guidance. database administrationcontractor https://www.ibm.com/docs/en/ims/15.5.0?topic=formats-psbvend-segment-type-format IMS 15.5 - Database administration - PSBVEND segment type format The IMS catalog PSBVEND segment type contains a short header followed by a large block of unformatted space. database administrationsegment typeimsformat https://www.ibm.com/docs/en/ims/15.1.0?topic=copies-nonstandard-image-copy-data-sets IMS 15 - Database administration - Nonstandard image copy data sets Image copy data sets that are not created by using one of the IMS image copy utilities are referred to as nonstandard image copy data sets or user image copy... database administrationimsnonstandardimagecopy https://www.ibm.com/docs/en/ims/15.4.0?topic=indexes-making-keys-unique-using-system-related-fields IMS 15.4 - Database administration - Making keys unique using system related fields If creating unique keys by keeping additional information from the source segment in the subsequence field of the pointer segment does not work for you, there... database administration https://www.ibm.com/docs/en/ims/15.2.0?topic=indexes-using-secondary-logical-relationships IMS 15.2 - Database administration - Using secondary indexes with logical relationships You can use secondary indexes, except for Fast Path secondary indexes, with logical relationships. database administrationims https://www.ibm.com/docs/en/ims/15.6.0?topic=implementation-developing-test-databases IMS 15.6 - Database administration - Developing test databases Before the application programs accessing your database are transferred to production status, they must be tested. To avoid damaging a production database, you... database administrationimsdevelopingtestdatabases https://www.ibm.com/docs/en/ims/15.4.0?topic=spaces-dropping-table-space IMS 15.4 - Database administration - Dropping a table space You can remove an existing table space by issuing a DROP TABLESPACE statement. This can be useful if you plan to change the table space name or plan to... database administrationimsdroppingtablespace https://www.ibm.com/docs/en/ims/15.2.0?topic=indexes-making-keys-unique-using-system-related-fields IMS 15.2 - Database administration - Making keys unique using system related fields If creating unique keys by keeping additional information from the source segment in the subsequence field of the pointer segment does not work for you, there... database administration https://www.ibm.com/docs/en/ims/15.3.0?topic=formats-case-segment-type-format IMS 15.3 - Database administration - CASE segment type format The IMS catalog CASE segment type contains information about a specific case for a mapping of an IMS database segment. database administrationsegment typeimscaseformat 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 administrationimsconsiderations https://www.ibm.com/docs/en/ims/15.1.0?topic=relationships-defining-sequence-fields-logical IMS 15 - Database administration - Defining sequence fields for logical relationships When you use logical relationships, certain rules and recommendations should be followed when defining sequence fields. database administrationimsdefiningsequencefields https://www.ibm.com/docs/en/ims/15.1.0?topic=option-defining-vso-dedb-area IMS 15 - Database administration - Defining a VSO DEDB area All of the Virtual Storage Option (VSO) information for a DEDB is recorded in the RECON data set. database administrationimsdefiningvsoarea https://www.ibm.com/docs/en/ims/15.1.0?topic=hphpd-replacing-segments IMS 15 - Database administration - Replacing segments Replacing segments in HD databases is straightforward as long as fixed-length segments are used. database administrationimsreplacingsegments https://forums.mysql.com/profile.php?35,11078657 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://www.ibm.com/docs/en/ims/15.6.0?topic=hssp-benefits-function IMS 15.6 - Database administration - Benefits of the HSSP function The high-speed sequential processing (HSSP) function provides a number of benefits. database administrationbenefits ofimsfunction https://www.ibm.com/docs/en/ims/15.1.0?topic=dedbs-dedb-design-guidelines IMS 15 - Database administration - DEDB design guidelines The following list describes guidelines for designing DEDBs. database administrationimsdesignguidelines https://www.ibm.com/docs/en/ims/15.1.0?topic=types-converting-database-from-hisam-hidam IMS 15 - Database administration - Converting a database from HISAM to HIDAM Converting a database from HISAM to HIDAM can be performed in a few steps; however, you need to perform a number of preliminary steps also. database administrationimsconverting https://forums.mysql.com/profile.php?35,10592094 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Spanner.Admin.Database.V1/latest/Microsoft.Extensions.DependencyInjection.ServiceCollectionExtensions Google Cloud Spanner Database Administration v1 API - Class ServiceCollectionExtensions... google cloud spannerdatabase administrationapiclass https://www.novell.com/documentation/zenworks-service-desk-24.3/admin/data/c000124.html Database - Administration Guide database administrationguide https://www.ibm.com/docs/en/ims/15.6.0?topic=program-loading-gsam-database IMS 15.6 - Database administration - Loading a GSAM database GSAM databases use logical records, not segments or database records. GSAM logical records are stored in the order in which you present them to the load... database administrationimsloadinggsam https://www.ibm.com/docs/en/ims/15.3.0?topic=environment-overflow-buffer-allocation-bmps IMS 15.3 - Database administration - Overflow buffer allocation for BMPs Overflow buffer allocation for BMPs is optional and is used for exceptional buffer requirements when the normal buffer allocation has been exhausted. database administrationimsoverflowbufferallocation https://www.ibm.com/docs/en/ims/15.2.0?topic=phidam-image-copying-database-data-sets IMS 15.2 - Database administration - Image copying the database data sets The reload process sets the image copy needed flag for each database data set other than ILDSs and PHIDAM primary indexes. database administrationimsimagecopyingsets https://www.ibm.com/docs/en/ims/15.6.0?topic=dedbs-examples-defining-segments IMS 15.6 - Database administration - Examples of defining segments The following examples show how to use the BYTES= parameter to define variable-length or fixed-length segments. database administrationexamples ofimsdefiningsegments https://www.ibm.com/docs/en/ims/15.6.0?topic=databases-general-naming-conventions-ims IMS 15.6 - Database administration - General naming conventions for IMS databases Naming conventions help users identify and manage the many resources in an IMS system. Some naming conventions are defined by IMS, while many others can be... database administrationnaming conventionsimsgeneraldatabases https://www.ibm.com/docs/en/ims/15.2.0?topic=utility-dbd-statement-overview IMS 15.2 - Database administration - DBD statement overview In the input, the DBD statement names the database being described and specifies various attributes including its organization and its exit routines, if any. database administrationimsdbdstatementoverview 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 administrationims https://www.ibm.com/docs/en/ims/15.5.0?topic=indexes-example-defining-secondary IMS 15.5 - Database administration - Example of defining secondary indexes The secondary index in this example is used to retrieve COURSE segments based on student names. database administrationexample ofimsdefiningsecondary https://www.ibm.com/docs/en/ims/15.2.0?topic=administration-database-design-implementation IMS 15.2 - Database administration - Database design and implementation This section discusses the design and implementation of IMS databases, including analyzing your data requirements, planning, designing, and implementing each... database administrationimsdesignimplementation https://www.ibm.com/docs/en/ims/15.6.0?topic=databases-hierarchical-forward-pointers IMS 15.6 - Database administration - Hierarchical forward pointers With hierarchical forward (HF) pointers, each segment in a database record points to the segment that follows it in the hierarchy. database administrationimshierarchicalforwardpointers https://www.ibm.com/docs/en/ims/15.3.0?topic=databases-correcting-bad-pointers IMS 15.3 - Database administration - Correcting bad pointers Ordinarily, bad pointers should not occur in your database. When they do, the likely causes are few. database administrationimscorrectingbadpointers https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Spanner.Admin.Database.V1/latest/Google.Cloud.Spanner.Admin.Database.V1.ListDatabaseRolesRequest Google Cloud Spanner Database Administration v1 API - Class ListDatabaseRolesRequest... google cloud spannerdatabase administrationapiclass 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 administrationnaming convention https://www.ibm.com/docs/en/ims/15.3.0?topic=sensitivity-using-field-level-logical-relationships IMS 15.3 - Database administration - Using field-level sensitivity with logical relationships You must follow some rules when using field-level sensitivity with segments that are involved in a logical relationship database administration https://www.ibm.com/docs/en/ims/15.3.0?topic=utilities-recovery-after-image-copy IMS 15.3 - Database administration - Recovery after image copy The Database Image Copy utility (DFSUDMP0) and the Database Image Copy 2 utility (DFSUDMT0) copy data sets for HISAM, HIDAM, HDAM, PHDAM, PHIDAM databases, and... database administrationafter imageimsrecoverycopy https://www.ibm.com/docs/en/ims/15.6.0?topic=routines-call-sequence-data-capture-exit IMS 15.6 - Database administration - Call sequence of Data Capture exit routines A Data Capture exit routine is invoked once per segment update for each segment for which the Data Capture exit routine is specified. Data Capture exit... database administration https://www.ibm.com/docs/en/ims/15.3.0?topic=statements-defining-dynamic-array-ims IMS 15.3 - Database administration - Defining a dynamic array to IMS A dynamic array is an array in which the number of repeating array elements can vary from one instance of a segment type to another. database administrationdynamic arrayimsdefining https://docs.cloud.google.com/dotnet/docs/reference/Google.Cloud.Spanner.Admin.Database.V1/latest/Google.Cloud.Spanner.Admin.Database.V1.ListBackupOperationsRequest Google Cloud Spanner Database Administration v1 API - Class ListBackupOperationsRequest... google cloud spannerdatabase administrationapiclass 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 administrationimsalterofflinereorganization https://www.ibm.com/docs/en/ims/15.1.0?topic=utilities-partial-offline-reorganization IMS 15 - Database administration - Partial offline reorganization If you are reorganizing an HD database, you can reorganize parts of it, rather than the whole database. database administrationimspartialofflinereorganization https://www.oncalldba.com.au/ OnCall DBA | Database Administration Services Perth database administrationoncalldbaservicesperth https://www.ibm.com/docs/en/ims/15.5.0?topic=indexes-dedb-partitioned-secondary IMS 15.5 - Database administration - DEDB partitioned secondary indexes DEDB partitioned secondary indexes allow a DEDB secondary index to be spread across multiple physical databases. A maximum of 101 user partition databases per... database administrationimspartitionedsecondaryindexes https://www.ibm.com/docs/en/ims/15.4.0?topic=options-multiple-buffers-in-virtual-storage IMS 15.4 - Database administration - Multiple buffers in virtual storage You can specify both the number of buffers needed in virtual storage and their size. You can specify multiple buffers with different sizes. database administrationimsmultiplebuffersvirtual https://www.ibm.com/docs/en/ims/15.2.0?topic=databases-general-naming-conventions-ims IMS 15.2 - Database administration - General naming conventions for IMS databases Naming conventions help users identify and manage the many resources in an IMS system. Some naming conventions are defined by IMS, while many others can be... database administrationnaming conventionsimsgeneraldatabases https://www.ibm.com/docs/en/ims/15.2.0?topic=databases-osam-options IMS 15.2 - Database administration - OSAM options Two types of options are available for databases using OSAM. database administrationimsosamoptions https://www.ibm.com/docs/en/ims/15.2.0?topic=formats-mar-segment-type-format IMS 15.2 - Database administration - MAR segment type format The IMS catalog MAR segment type contains information about a field marshaller definition in an IMS database. database administrationsegment typeimsmarformat https://www.ibm.com/docs/en/ims/15.1.0?topic=mod-activating-database-changes-by-using-online-change-function IMS 15 - Database administration - Activating database changes by using the online change function In IMS systems that use DBD, PSB and ACB libraries, you can use the online change function to apply database changes, including changes to full-function... database administration https://www.ibm.com/docs/en/ims/15.5.0?topic=set-additional-considerations-partition-definition-control-blocks IMS 15.5 - Database administration - Additional considerations for the partition definition control... When making changes to HALDB partition definitions, until the online partition definition control blocks are rebuilt, a number of circumstances could occur... database administrationadditional considerations https://forums.mysql.com/profile.php?35,11276089 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://www.ibm.com/docs/en/ims/15.2.0?topic=catalog-overview-ims IMS 15.2 - Database administration - Overview of the IMS catalog The IMS catalog contains trusted metadata and definitions of the IMS databases and application program views that are defined to IMS. database administrationoverview ofimscatalog https://www.ibm.com/docs/en/ims/15.5.0?topic=segments-replacing-partially-present-fields IMS 15.5 - Database administration - Replacing partially present fields When replacing partially present fields be aware of the following points. database administrationimsreplacingpartiallypresent https://www.ibm.com/docs/en/ims/15.1.0?topic=databases-database-administration-tasks IMS 15 - Database administration - Database administration tasks The database administration tasks relevant to IMS databases are listed in this topic. database administrationimstasks https://learn.oracle.com/ols/course/prepare-for-oracle-database-administration-i-certification/42305/79688/ Prepare for Oracle Database Administration I Certification | Learn Oracle | Oracle Training and... Prepare for Oracle Database Administration I certification using sample questions and a practice exam with pointers to useful resources. prepare fororacle databaseadministrationcertificationlearn https://www.ibm.com/docs/en/ims/15.2.0?topic=formats-arearmk-segment-type-format IMS 15.2 - Database administration - AREARMK segment type format The IMS catalog AREARMK segment type contains user comments about a database area definition for a Fast Path database. database administrationsegment typeimsformat https://www-cloudfront-alias.coursera.org/specializations/packt-oracle-database-administration-from-zero-to-hero Oracle Database Administration from Zero to Hero | Coursera Offered by Packt. Master Oracle Database Administration Skills. Learn to configure, manage, and optimize Oracle databases, perform backups ... Enroll for free. from zero to herooracle databaseadministrationcoursera https://www.ibm.com/docs/en/ims/15.3.0?topic=record-determining-segment-frequency IMS 15.3 - Database administration - Determining segment frequency After you have determined the total size of a segment type, you need to determine segment frequency. database administrationimsdeterminingsegmentfrequency https://www.ibm.com/docs/en/ims/15.3.0?topic=formats-sfrmk-segment-type-format IMS 15.3 - Database administration - SFRMK segment type format The IMS catalog SFRMK segment type contains user comments for a sensitive field definition. database administrationsegment typeimsformat https://www.ibm.com/docs/en/ims/15.6.0?topic=utilities-offline-reorganization-by-using-reorganization IMS 15.6 - Database administration - Offline reorganization by using the reorganization utilities If you do not use the Utility Control Facility (UCF), reorganization of a database is done using a combination of utilities. Which utilities you need to use,... database administrationims https://forums.mysql.com/profile.php?35,10723832 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://www.ibm.com/docs/en/ims/15.6.0?topic=vsam-no-free-logical-record-exists IMS 15.6 - Database administration - No free logical record exists This example shows how insertion takes place when no free logical record exists in the CI. database administrationimsfreelogicalrecord https://forums.mysql.com/profile.php?35,1966007 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring https://www.ibm.com/docs/en/ims/15.3.0?topic=relationships-logical-relationship-pointer-types IMS 15.3 - Database administration - Logical relationship pointer types In all logical relationships the logical child establishes a path between two segment types. 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View the list of available courses in the Oracle Database Administration Student Learning Subscription (Cloud Edition). Explore available beginner to advanced... oracle databasestudent learningcloud editioncoursesadministration https://www.ibm.com/docs/en/ims/15.6.0?topic=security-restricting-access-by-non-ims-programs IMS 15.6 - Database administration - Restricting access by non-IMS programs One potential security exposure is from people attempting to access IMS data sets with non-IMS programs. Two methods of protecting against this exposure are... database administrationrestricting accessimsnonprograms https://www.ibm.com/docs/en/ims/15.1.0?topic=haldb-allocating-psindex-vsam-ksds-data-sets IMS 15 - Database administration - Allocating PSINDEX VSAM KSDS data sets Allocate a VSAM KSDS data set for each partition of the PSINDEX by using the IDCAMS DEFINE statement. database administrationimsvsamsets https://www.ibm.com/docs/en/ims/15.5.0?topic=databases-open-database-access-odba IMS 15.5 - Database administration - Open Database Access (ODBA) Any program that runs in a z/OS address space can access IMS DB through the Open Database Access (ODBA) callable interface. database administrationopen accessimsodba https://www.ibm.com/docs/en/ims/15.4.0?topic=utilities-partial-offline-reorganization IMS 15.4 - Database administration - Partial offline reorganization If you are reorganizing an HD database, you can reorganize parts of it, rather than the whole database. database administrationimspartialofflinereorganization https://www.ibm.com/docs/en/ims/15.1.0?topic=buffers-adjusting-sequential IMS 15 - Database administration - Adjusting sequential buffers You can change the number of buffer sets allocated to each SB buffer pool in two ways. database administrationimsadjustingsequentialbuffers https://www.ibm.com/docs/en/ims/15.3.0?topic=utility-fast-path-log-reduction IMS 15.3 - Database administration - Fast Path log reduction To reduce log volume you can use the LGNR parameter, which is specified on the DBC, FDR, and IMS startup procedures. database administrationimsfastpathlog https://www.ibm.com/docs/en/ims/15.4.0?topic=relationships-secondary-indexes-versus-logical IMS 15.4 - Database administration - Secondary indexes versus logical relationships Both secondary indexes and logical relationships provide logical data structures, which are hierarchical data structures that are different from the data... database administrationimssecondaryindexesversus https://www.ibm.com/docs/en/ims/15.2.0?topic=types-converting-database-from-hisam-hdam IMS 15.2 - Database administration - Converting a database from HISAM to HDAM Converting a database from HISAM to HDAM can be performed in a few steps; however, you need to perform a number of preliminary steps also. database administrationims https://www.ibm.com/docs/en/ims/15.2.0?topic=databases-physical-child-first-pointers IMS 15.2 - Database administration - Physical child first pointers With physical child first (PCF) pointers, each parent segment in a database record points to the first occurrence of each of its immediately dependent child... database administrationchild firstimsphysicalpointers https://www.ibm.com/docs/en/ims/15.4.0?topic=implementation-designing-fast-path-databases IMS 15.4 - Database administration - Designing Fast Path databases After you determine the type of database and optional functions that best suit your application's processing requirements, you need to make a series of... database administrationimsdesigningfastpath https://forums.mysql.com/profile.php?35,2303106 MySQL :: MySQL Forums :: Database Administration & Monitoring database administrationmysqlforumsmonitoring