Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema All of the listed here stores data in tables restricts the structure to a one-to-many relationship permits many-to-many relation¬ships All of the listed here stores data in tables restricts the structure to a one-to-many relationship permits many-to-many relation¬ships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Batch processing is appropriate if only a few transactions are involved a large computer system is available All of these None of these only a small computer system is available only a few transactions are involved a large computer system is available All of these None of these only a small computer system is available 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? Maximum cardinality Greater Entity Count (GEC) ERD Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ERD Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP