Pitney Bowes MapInfo Professional - Manual (Page 506)

Definition Term
A process that occurs when splitting a map
object(s) into smaller parts where MapInfo data disaggregation
Professional splits the data associated with the
map object(s) into smaller parts to match the new
map objects.
An ODBC data source is an SQL database and the
information you need to access that database. For data sources
example, an SQL Server data source is the SQL
Server database, the server on which it resides,
and the network used to access that server.
Any organized collection of data. The term is often
used to refer to a single file or table of information
in MapInfo Professional. database
The decimal representation of fractions of degrees.
Many paper maps express coordinates in degrees, decimal degree
minutes, seconds (for example, 40_30i10I), where
minutes and seconds are fractions of degrees. 30
minutes equal half a degree, and 30 seconds equal
half a minute. MapInfo Professional, however,
expresses coordinates in decimal degrees (for
example, 72.558 degrees), where fractions of
degrees are expressed as decimals. Thus, the
longitude: 40 degrees, 30 minutes, would be
expressed in MapInfo Professional as 40.5
degrees.
The value or option used in the absence of explicit
specification. Often the original setting or value for
a variable. default
Degrees (longitude and latitude) are coordinates
used to represent locations on the surface of the degrees longitude, degrees latitude, decimal
degrees
earth. Longitude, or X-coordinate, represents a
location's east-west position, where any location
west of the prime meridian has a negative X value.
Latitude, or Y-coordinate, represents a location's
north-south position, where any location south of
the equator has a negative Y value.
In a table created through the SQL Select, a
derived column is one created by using an derived column
expression. The column is derived in the sense that
it is not just a copy of the data in one of the tables
being accessed by the SQL Select command.
The same as a derived column. derived field
The process of undoing a selection. The object or
area you deselect will not be affected by deselect
subsequent commands. Performed by selecting
another area, by clicking in a blank area, or by
executing the Unselect All command.
MapInfo Professional 12.5 506
Glossary of Terms