Glossary I
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HASHLIB
Module library for the storage of hash routines for one database.
I
identifier
Name allocated by the database designer to an item that UDS/SQL creates
automatically. UDS/SQL adapts item type and length to the specified item
usage.
implicit set
SYSTEM set created by UDS/SQL when a SEARCH key is defined at record type
level.
inconsistency
State of the database in which the data values contained in it are inconsistent.
independent DBH
Independent program system enabling more than one user to access a sing le
database (mono-DB operation) or several databases (multi-DB operation) simulta-
neously. The independent DBH is designed as a task family, consisting of
–a master task (UDSSQL)
– one or more server tasks (UDSSUB)
– an administrator task (UDSADM)
index level
Hierarchy level of an index page.
index page
Page in which the highest (lowest) key values of the next-lower level of an
indexed table are stored.
INDEX search key
Secondary key. Used as access path for direct access via a multi-level table.
indirect hash area
See hash area.