A reusable software component that can be added to an application, reducing development time in the process. ActiveX is a Microsoft technology; ActiveX components can be used only by developers who work on Windows development systems.
A function that produces a single result based on the contents of an entire set of table rows. Also called a set function.
A short substitute or nickname for a table name.
A small application, written in the Java language, stored on a Web server that is downloaded to and executed on a Web client that connects to the server.
A standard means of communicating between an application and a database or other system resource.
A constraint that is specified by a
CREATE ASSERTION statement (rather than by a clause of a
CREATE TABLE statement). Assertions commonly apply to more than one table.
Incapable of being subdivided.
A component of a structured type or relation.
That part of a DBMS that interacts directly with the database.
A named collection of schemas.
An individual user workstation that represents the front end of a DBMS — the part that displays information on a screen and responds to user input.
A multiuser system in which a central processor (the server) is connected to multiple intelligent user workstations (the clients).
A named collection of catalogs.