IMS Index Builder terminology
IMS Index Builder includes several unique terms that you must understand before you begin to use IMS Index Builder.
Unique terms
- Buffered sort
- Sort exits are used to process buffers containing index records to be passed to and from sort.
- Composed sort
- A single sort process is used to handle index records composed of all indexes to rebuild.
- DL/I
- Standard Data Language/I
- HALDB
- High Availability Large Database.
- HDAM
- Hierarchical Direct Access Method.
- HIDAM
- Hierarchical Indexed Direct Access Method database.
- Hierarchical scan
- Obtains the prime data segments in logical sequence. The internal high performance unload (HPU) subset or the standard data language/I (DL/I) interface can be used. Hierarchical scan is run in MAS.
- HISAM
- Hierarchical Sequential Access Method.
- HPU
- Internal subset of High Performance Unload.
- ILDS
- Indirect List Data Set.
- MAS
- Master address space. The address space where IMS Index Builder receives control.
- Mono sort
- Single index or PSINDEX partition records are sorted using an E15 exit to obtain data from buffers, and an E35 exit to load the index or partition.
- PHDAM
- Partitioned Hierarchical Direct Access Method.
- PHIDAM
- Partitioned Hierarchical Indexed Direct Access Method.
- Race code
- Run time optimized machine code.
- SAS
- Subordinate address space.
- API SAS
- Address space that is dedicated to IMS Database Recovery Facility integration.
- Scan SAS
- Address space that is dedicated to sequential scan sort SAS.
- Sort SAS
- Address space that is dedicated to sort.
- Sequential scan
- Obtains the prime HALDB data segments in physical sequence, by partition, processing in multiple SAS.
- Serial scan
- Obtains the prime data segments in physical sequence, no parallel processing, runs in MAS.
- Stripe
- Work file for internal IMS Index Builder use.
- Striped sort
- Sorts are file oriented, index records are written to stripes to be passed to sort, and sort output is on stripes.
- Twinning
- When scan and sort run simultaneously in MAS.
Short names used in this information
To make this information easier to read, the following short names are used for product names and function names except where distinctions among them need to be made.
| Short name | Product and function name |
|---|---|
| HPIC | The Image Copy function of IMS HP Image Copy |
| HPPC | The HASH Check function of IMS HP Pointer Checker |
| IMS | The generic name for one of the following products:
|
| IMS Database Recovery Facility or DRF | IBM IMS Recovery Solution Pack for z/OS® 2.1: IMS Database Recovery Facility (5655-ISR) |
| IMS Database Reorganization Expert | The generic name for one of the following products:
|
| IMS Database Solution Pack | IBM IMS Database Solution Pack for z/OS 2.2 (5655-DSP) |
| IMS Database Utility Solution | IBM IMS Database Utility Solution for z/OS 2.1 (5698-DUL) |
| IMS HP Image Copy | The generic name for one of the following products:
|
| IMS HP Load | The generic name for one of the following products:
|
| IMS HP Pointer Checker | The generic name for one of the following products:
|
| IMS HP Unload | The generic name for one of the following products:
|
| IMS Index Builder | The generic name for one of the following products:
|
| IMS Parallel Reorganization | IBM
IMS Parallel Reorganization for z/OS 3.1 and 3.2 (5655-M28) Note: This product is replaced by IBM
IMS Database Reorganization Expert for z/OS 4.1 (5655-S35)
|
| IMS Recovery Solution Pack | IBM IMS Recovery Solution Pack for z/OS 2.1 (5655-ISR) |
| IMS Tools Base | IBM IMS Tools Base for z/OS 1.7 (5655-V93) |
| IMS Tools Knowledge Base, IMS Tools KB, ITKB | IBM IMS Tools Base for z/OS 1.7: IMS Tools Knowledge Base (5655-V93) |
| IMS Tools Online System Interface, TOSI | IBM IMS Tools Base for z/OS 1.7: IMS Tools Online System Interface (5655-V93) |
| IPR | The generic name for one of the following functions:
|