Glossary R
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READY
Start of a transaction or a processing chain in COBOL DML programs.
READYC
Start of a transaction or a processing chain in CALL DML programs.
realm
Nameable physical subunit of the database. Equivalent to a file. Apart from the
user realms for user data there are also the realms DBDIR and DBCOM, which
are required by UDS/SQL.
realm configuration
Comprises all the database rea lms taking part in a session.
realm copy
See database copy.
realm reference number
Realms are numbered consecutively in ascending order, starting with 1. The
realm reference number (area reference) is part of the page address.
reconfiguration
Regrouping of databases in a DB configuration after a sessi on abort. A pre-
requisite for reconfiguration is that the SLF has been deleted or that its contents
have been marked as invalid.
record
Single occurrence of a record type; consists of one item content for each of the
items defined for the record type and is the smallest unit of data managed by
UDS/SQL via a unique identifier, the database key.
The reserved word RECORD is used in DDL and SSL syntax to declare a
record type.
record address
Address of the page containing the record. See page address.