Introduction to Database System An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Document Structured data file None of these Record Database Document Structured data file None of these Record Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a network relational chain tree network relational chain tree ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is conceptually simple It will be the dominant data base of the future It is a physical representation of the data It allows a many-to-many relationship It is conceptually simple It will be the dominant data base of the future It is a physical representation of the data It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): row of a table. key of a table. column of a table. two dimensional table. row of a table. key of a table. column of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes records and files record relationships All of these None of these data elements records and files record relationships All of these None of these data elements ANSWER DOWNLOAD EXAMIANS APP
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