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HALDB Online Reorganization
     copying phase
     cursor
     cursor-active status
     ddname naming conventions
     initialization phase
     overview
     termination phase
     unit of reorganization
HALDB Partition Selection exit routine (DFSPSE00)
HALDBs (High Availability Large Databases)
     indirect list data set (ILDS)
     introduction to
     offline reorganization
     online reorganization
     partitions, naming conventions
    reorganizing
         offline
         online
         secondary indexes
     self-healing pointers
HDAM (Hierarchical Direct Access Method)
     advantages and disadvantages
     free space
     layout of
     overflow area
     overview of
     root addressable area
     when to choose
     z/OS access methods used
HDAM and PHDAM Randomizing routines (DFSHDC40)
HIDAM (Hierarchical Indexed Direct Access Method)
     advantages and disadvantages
     index database
     layout of 2nd
     overview of
     when to choose
hierarchical databases
     control blocks
     data entry database (DEDB)
     data structure
     Hierarchical Direct Access Method (HDAM)
     Hierarchical Indexed Direct Access Method (HIDAM)
Hierarchical Databases
     Implementing
hierarchical databases
     model, implementing
     overview of
     Partitioned Hierarchical Direct Access Method (PHDAM)
     Partitioned Hierarchical Indexed Direct Access Method (PHIDAM)
     relational database, compared to
     types, introduction to
Hierarchical Direct Access Method (HDAM)
     advantages and disadvantages
     free space
     layout of
     overflow area
     overview of
     root addressable area
     when to choose
     z/OS access methods used
Hierarchical Indexed Direct Access Method (HIDAM)
     advantages and disadvantages
     index database
     layout of 2nd
     overview of
     when to choose
Hierarchical Indexed Sequential Access Method (HISAM)
Hierarchical Sequential Access Method (HSAM)
High Speed Sequential Processing (HSSP)
HISAM (Hierarchical Indexed Sequential Access Method)
history of IMS
HSAM (Hierarchical Sequential Access Method)
hyphen command code