Glossary U
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transaction, rolling back a
Terminating a transaction with FINISH WITH CANCEL, i.e. all updates
performed on the database within the transaction are rolled back.
Transaction Currency Area (TCUA)
Contains currency information.
transaction identification (TA-ID)
Assigned by the DBH to identify a particular transaction. Can be reques ted with
the DAL command DISPLAY.
transfer pool
UDS-D-specific storage area in which the UDSCT receives the BIBs from remote
application programs.
two-phase commit protocol
Procedure by which a distributed transaction that has made changes in at least
one remote configuration is terminated in such a way as to safeguard inter-config-
uration consistency or UDS/SQL openUTM-D consistency. The two-phase
commit is controlled
– by the distribution component in the user task if the transaction is di stributed
via UDS-D.
– by openUTM-D if the transaction is distributed via openUTM-D or v ia
openUTM-D and UDS-D.
U
UDSADM
Module of the independent DBH; executes in the administrator task.
UDSHASH
Module generated by the BGSIA utility routine. It contains the names of all the
hash routines defined in the Schema DDL.
UDSNET
Distribution component in the user task.
UDSSQL
Start module of the independent DBH; executes in the master task.
UDSSUB
Start module of the independent DBH; executes in the server task.