Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Subtype entity Archetype entity Supertype entity Instance entity Subtype entity Archetype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? Greater Entity Count (GEC) ERD Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ERD Minimum cardinality Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT None of these All of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system allow you to entry data in all the forms both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these allow you to entry data in all the forms both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users lets you define different forms for different operations None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data items grouped together for storage purposes are called a string title record list None of these string title record list None of these ANSWER DOWNLOAD EXAMIANS APP
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