Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Composite Relationship 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship where data is located the size of the disk storage device It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship where data is located the size of the disk storage device ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The main idea behind computer files is that it is convenient to access them create them arrange them store information together access them create them arrange them store information together ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these All of these both (a) and (b) can use aggregate functions like SUM and COUNT are written in English None of these All of these both (a) and (b) can use aggregate functions like SUM and COUNT are written in English ANSWER DOWNLOAD EXAMIANS APP
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