Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. child subtype instance parent child subtype instance parent ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these both (a) and (b) are written in English All of these can use aggregate functions like SUM and COUNT None of these both (a) and (b) are written in English All of these can use aggregate functions like SUM and COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not true of the traditional approach to information processing? It is file-oriented All of these It is inflexible There is common sharing of data among the various applications Programs are dependent on the files It is file-oriented All of these It is inflexible There is common sharing of data among the various applications Programs are dependent on the files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if both (b) and (c) they have a row in common they have a field in common None of these they have no records with the same value in the common field both (b) and (c) they have a row in common they have a field in common None of these they have no records with the same value in the common field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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