Introduction to Database System A database has data and relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Attributes Entities Primary keys Relationships Attributes Entities Primary keys Relationships 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 The functional dependency R → S means that the value of S can be determined when we are given a value of R. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A network schema stores data in tables restricts the structure to a one-to-many relationship All of the listed here permits many-to-many relation¬ships stores data in tables restricts the structure to a one-to-many relationship All of the listed here permits many-to-many relation¬ships 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. Structured data file Document None of these Record Database Structured data file Document None of these Record Database ANSWER DOWNLOAD EXAMIANS APP
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