T

table

A segment that is composed of columns and rows.

tablespace

A logical storage area for database segments.

temporary tablespace

The tablespace in which a user's temporary segments are stored.

throughput

The amount of work that an application or the database can perform in a specified amount of time. Frequently used as a performance measure in systems.

tnsnames.ora

The name of the physical file that is used to resolve an Oracle net service name when you are using the localnaming resolution method.

Tnsping

An Oracle-supplied utility used to test basic connectivity from an Oracle client to an Oracle listener.

tracing

A configuration that records all events that occur on a network, even when an error does not occur. This facility can be established at the client, the middle tier, or the server location.

transaction

A unit of work within a series of SQL statements. A statement begins with the user's first DML (Data Manipulation Language) statement and ends with a COMMIT or ROLLBACK command. See also Data Manipulation Language (DML).

trigger

A PL/SQL (Procedural Language/SQL) program that is invoked in response to a database event.

two-tier architecture

A network architecture that is characterized by a client computer and a back-end server that communicate using some type of network protocol, such as TCP/IP.