Introduction to Database System Which of the following is a database administrator's function? All of the listed here performance monitoring database design backing up the database All of the listed here performance monitoring database design backing up the database ANSWER DOWNLOAD EXAMIANS APP
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 In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship 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 In an Enterprise-class database system, business users interact directly with database applications that interact with the DBMS, which directly accesses the database data. True False True False 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? Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) Minimum cardinality ERD Maximum cardinality Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP