Introduction to Database System Which of the following is NOT a basic element of all versions of the E-R model? Primary keys Attributes Entities Relationships Primary keys Attributes Entities Relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which of the following is not a data Manipulation Language Commands? UPDATE CREATE SELECT DELETE UPDATE CREATE SELECT DELETE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The logical data structure with a one-to-many relationship is a chain tree relational network chain tree relational network ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called ACCESS TOTAL any of the above DB/DC dictionary None of these ACCESS TOTAL any of the above DB/DC dictionary None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: where data is located It is conceptually simple It allows a many-to-many relationship the size of the disk storage device It will be the dominant data base of the future where data is located It is conceptually simple It allows a many-to-many relationship the size of the disk storage device It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP