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G-42
Glossary
Terminal Services (Windows specific
term)
Windows Terminal Services provide a
multi-session environment that allows
clients to access a virtual Windows
desktop session and Windows-based
programs running on the server.
thread (MS SQL Server 7.0/2000
specific term)
An executable entity that belongs to
only one process. It comprises a
program counter, a user-mode stack, a
kernel-mode stack, and a set of register
values. Several threads can run at a time
within one process.
TimeFinder (EMC Symmetrix specific
term)
A business continuation process that
creates an instant copy of single or
multiple Symmetrix Logical Devices
(SLDs). The instant copy is created on
specially preconfigured SLDs called
BCVs and is accessible via a separate
device address to the system(s).
TLU
Tape Library Unit.
TNSNAMES.ORA (Oracle and SAP R/
3 specific term)
A network configuration file that
contains connect descriptors mapped to
service names. The file may be
maintained centrally or locally, for use
by all or individual clients.
transaction
A mechanism for ensuring that a set of
actions is treated as a single unit of
work. Databases use transactions to
keep track of database changes.
transaction backup
Transaction backups generally use fewer
resources than database backups, so they
can be created more frequently than
database backups. By applying
transaction backups, you can recover the
database to a specific point in time prior
to when a problem occurred.
transaction backup (Sybase and SQL
specific term)
A backup of the transaction log
providing a record of changes made
since the last full or transaction backup.
transaction log backup
Transaction log backups generally use
fewer resources than database backups
so they can be created more frequently
than database backups. By applying
transaction log backups, you can recover
the database to a specific point in time.
transaction log files (MS Exchange and
Lotus Domino Server specific term)
Files in which changes made to a
database are recorded.
transaction logs (Data Protector
specific term)
Keeps track of IDB changes. The