Question
Which data modeling technique is used to represent the
relationships between entities in a database?Solution
An Entity-Relationship Diagram (ERD) is a data modeling technique used to represent entities, their attributes, and the relationships between them in a database. It helps visualize how data is related and supports database design by defining the structure of the database. b) Data Flow Diagram (DFD) shows data flow and process interactions but not entity relationships. c) UML provides a range of diagrams, including class diagrams and use case diagrams, but ERD specifically represents database relationships. d) Class Diagram is used in object-oriented design to show classes and their relationships, not database entities. e) State Diagram represents states of an object in a system, not entity relationships.
A __________Â is a system designed to prevent unauthorized access to or from a private network
Which of these items does NOT make a good password?
In respect to the Web, what is an ontology?
What is WebKit?
..............................................is a methodology and group of technologies for the delivery of voice communications and multimedia se...
Open, print and save button are all located on_____________
__________ is method of restarting a computer that is already on without completely turning the computer off.
Computers that are portable and convenient for users who travel are known as
Which of these services uses a "master password" to log in to many different Web sites for you?
Which of the following program runs in parts on several computers?