Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Tuple Determinant Relation Key Tuple Determinant Relation Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system None of the listed here allows simultaneous access to multiple files Both of the listed here can do more than a record management system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities use identifiers while tables use keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ means that one record in a particular record type can be related to many records in another record type and vice-versa. One-to-one relationship None of these One-to-many relationship Many-to-one relationship Many-to-many relationship One-to-one relationship None of these One-to-many relationship Many-to-one relationship Many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. instance child subtype parent instance child subtype parent ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier? ID-dependent entity Strong entity ID- independent entity Weak entity ID-dependent entity Strong entity ID- independent entity Weak entity ANSWER DOWNLOAD EXAMIANS APP
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