Data Processing Practice Tests – Entity Relationship Model


Hello and Welcome to Data Processing Practice Tests - Entity Relationship Model

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The STUDENT ID in TABLE II is known as ________

A. primary key        B. foreign key        C. normal key      D. composite key


What type of relationship exist between the entities in the diagram below:



A. one-to-many        B. many-to-many      C. many-to-one      D. one-to-one



What type of relationship exist between TABLE I and TABLE II

A. one-to-many       B. many-to-many     C. many-to-one     D. one-to-one



The part of the object in the figure below labelled I is known as _______ 

A. attributes      B. entity      C. models      D. relations


Entity relationship diagrams are used to _______

A. create MS-Access in relational model
B. differentiate between data and information in relational model
C. identify the data that must be captured, stored and retrieved in order to support the organisation relational model
D. create SQL in relational model


 



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