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Question

Mark TRUE or FALSE for the following statements

(a) A database management system (DBMS) is

specialized computer software that is used to create, access, control, and manage a database.

(b) A record in a table is a collection of fields arranged in a predefined format.

(c) The set of all occurrences of a given record structure in a database system is frequently called a table.

(d) In a relation, if the primary key comprises multiple attributes, none of these attributes can be NULL.

(e) A relational database system usually assumes each attribute has only one value at a time.

(f) A primary key might be created by combining two or more fields.


The physical, relational database implementation of a data model is known as a: 

           A) scenario

           B) role model

           C) schema

           D) primary data model

Top Answer

A) true B)true... View the full answer

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