Introduction to Database System In a relational schema, each tuple is divided into fields called Domains All of the listed here Relations Queries Domains All of the listed here Relations Queries ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type is related to only one record of another record type. Many-to-one relationship One-to-one relationship None of these Many-to-many relationship One-to-many relationship Many-to-one relationship One-to-one relationship None of these Many-to-many relationship One-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be a compound key consisting of the first name and the last name All of these None of these the pin code the last name a compound key consisting of the first name and the last name All of these None of these the pin code the last name 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-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship ANSWER DOWNLOAD EXAMIANS APP
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