Introduction to Database System Entities of a given type are grouped into a(n): ER attribute. entity class. database. ER attribute. entity class. database. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): insertion anomaly. transitive dependency. normal form. referential integrity constraint. insertion anomaly. transitive dependency. normal form. referential integrity constraint. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A report form is used during report generation to format data appears on the computer monitor during data entry both (a) and (b) All of these None of these is used during report generation to format data appears on the computer monitor during data entry both (a) and (b) All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Relationship Entity Identifier Attribute Relationship Entity Identifier Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? R:base IDMS DB2 dBase-II R:base IDMS DB2 dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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