is integrity of data; there is one and only one location where any given unit of data is
created, updated, and deleted from
Table A relation that consists of a set of columns with a heading and a set of rows
(tuples)
Taxonomy A classification of text
TCP/IP Transmission control protocol/Internet protocol—networking protocol
developed initially for DARPA widely used on UNIX networks
Teradata A database software company
Text Words; language
Textual disambiguation The process of reading text and formatting text into a standard
database format
Textual ETL See textual disambiguation
Time stamping The practice of adding an element of time to a given row of data
Time variant Data that cannot be updated and whose value is accurate as of some one
moment in time
Tom Demarco An early pioneer along with Ed Yourdon specializing in structured
systems development
Transaction A computerized process that conducts business, usually updating or creating
values
Transaction processing environment The location and equipment where transaction
processing for a corporation takes place
Transparency The property of a structure of data to be able to be examined
synthetically
Trend analysis The analysis of data over a period of time
Trigger The tripping of a condition that causes another event to occur
Glossary