Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? dBase-II IDMS R:base DB2 dBase-II IDMS R:base DB2 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the columns does not matter. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Periodically adding, changing and deleting file records is called file renewing restructuring Updating upgrading renewing restructuring Updating upgrading ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future 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 In which of the following is a single-entity instance of one type related to many entity instances of another type? One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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