Glossary E
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duplicates table
Special SEARCH-KEY table in which a key value which occurs more than once
is stored only once.
For each key value, the duplicates table contains:
– a table index entry with the key value and a pointer to the associated table
entry
– a table entry (DB key list), which can extend over several pages, containing
the record sequence numbers of the records which contain this key value.
duplicates table, main level
Main level, Level 0. Contains a table index entry and the beginning of the
associated table entry (DB key list).
dynamic set
Set which exists only for the life of a transaction and which stores member records
retrieved as result of search queries.
E
ESTIMATE-REPORT
Report produced after BGSIA run. Used to estimate the size of the user realms.
event name
Identification used in eventing.
exclusive buffer pool
Buffer which, in addition to the system buffer pools, is used exclusively for
buffering pages of the specified database.
F
foreign key
Record element whose value matches the primary key values of another table
(UDS/SQL record type). Foreign keys in the sense of UDS/SQL are qualified as
"REFERENCES owner record type" in the member record type of a set relati-
onship in the BPSQLSIA protocol.
FPA
See free place administration.