An ERD is an example of a ______ Model. a.Data Integrityb.Conceptualc.Network d.Physicale.None of the answers are correct

An Entity-Relationship Diagram (ERD) is a type of data model that shows the needs of an organisation as a _______________. Select the most suitable answer to fill in the blank.ReportListTableGraphicColumn

The ER Model includes additional concepts like ________.

Which of the following statements is NOT true about ERDs? a. Special symbols are added to show high-level business rules. b. ERD’s are data modelling techniques. c. The diagrams are drawn in a sequential order – from top to bottom. d. Similar kinds of information are listed together in entities.

Describe three key components of an ERD.

ER Model is NOT a representational-level data model. True False