Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
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? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: attributes. tables. relations. rows. attributes. tables. relations. rows. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? DELETE CREATE SELECT UPDATE DELETE CREATE SELECT UPDATE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? ALTER TRIGGER MODIFY USER All of the listed here CHANGE USER ALTER TRIGGER MODIFY USER All of the listed here CHANGE USER ANSWER DOWNLOAD EXAMIANS APP
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