Introduction to Database System A top-to-bottom relationship among the items in a database is established by a Relational schema All of the listed here Network schema Hierarchical schema Relational schema All of the listed here Network schema Hierarchical schema ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type related to many entity instances of another type? Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship 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 Entities of a given type are grouped into a(n): ER entity class. database. attribute. ER entity class. database. attribute. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Modify Look-up Insert All of the listed here Modify Look-up Insert All of the listed here ANSWER DOWNLOAD EXAMIANS APP
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