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hierarchical indexed direct access method
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IBM Information Management System
Full function databases can have a variety of access methods, although Hierarchical Direct (HDAM) and Hierarchical Indexed Direct (HIDAM) dominate.
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Hierarchical Indexed Direct Access Method (HIDAM): is one of DL/I's two direct- access methods. HIDAM provides direct access to data through an index.
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PHIDAM, Partitioned Hierarchical Indexed Direct Access Method. PSINDEX, Partitioned Secondary Index Database. DEDB, Data Entry Database ( Hierarchical ...
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HD databases that use a randomizing module are referred to as hierarchical direct access method (HDAM) databases. HD databases that use a primary index ...
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SHISAM, Simple Hierarchical Indexed Sequential Access Method. GSAM, Generalized Sequential Access Method. HDAM, Hierarchical Direct Access Method ...
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Hierarchical indexed-direct-access method (HIDAM) — index organization at the root level with pointers to child records. Hierarchical direct-access method ...
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Mar 24, 2010 ... Access Methods. Hierarchic Sequential Databases. Hierarchic Direct Databases. Fast Path Databases. The Role of Secondary Indexes ...
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Database enhancements Databases in IMS are hierarchical databases. ... hierarchical direct access method (HDAM), and hierarchical indexed direct access ...
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HIDAM: See hierarchic indexed direct access method (HIDAM). hierarchical file system (HFS): A system for organizing files in a hierarchy, as in a UNIX system.
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Since IMS Version 7, HALDB has enabled users to partition IMS Hierarchical Direct-Access Method (HDAM), Hierarchical Indexed Direct-Access Method ...
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hierarchical indexed direct access method
