Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ERD Minimum cardinality Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database are written in English both (a) and (b) can use aggregate functions like SUM and COUNT All of these None of these are written in English both (a) and (b) can use aggregate functions like SUM and COUNT All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Determinant Relation Key Tuple Determinant Relation Key Tuple ANSWER DOWNLOAD EXAMIANS APP
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