Glossary L
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key
Item used by the database programmer for direct access to records; an optimized
access path is provided for the key by UDS/SQL in accordance with the schema
definition.
key, compound
Key consisting of several key items.
key item
Item defined as a key in the schema.
key reference number
Keys are numbered consecutively in ascending order, beginning at 1.
L
linked-in control system
UDS/SQL component for linked-in DBH, responsible for control functions (corre-
sponds to the subcontrol system of the independent DBH).
linked-in DBH
Module linked in to or dynamically loaded for the current DB application program
and controlling access to a single database (mono-DB operation) or several
databases simultaneously (multi-DB operation).
list
Table containing the member records of a set occurrence. Used for sequential and
direct access to member records.
load parameters (DBH)
Parameters requested by the DBH at the beginning of the session. They define
the basic characteristics of a session.
local application program
An application program is local with regard to a configuration if it was linked to the
configuration using /SET-FILE-LINK LINK-NAME=DATABA SE,FILE-
NAME=conf-name