Introduction to Database System Properties that describe the characteristics of entities are called: identifiers. relationships. attributes. entities. identifiers. relationships. attributes. entities. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for None of these protecting data in data communication systems reducing storage space requirements All of these improving data integrity None of these protecting data in data communication systems reducing storage space requirements All of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a serious problem of file management systems? data redundancy program dependence All of these difficult to update lack of data independence data redundancy program dependence All of these difficult to update lack of data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Object-Oriented Distributed Network Hierarchical Object-Oriented Distributed Network Hierarchical ANSWER DOWNLOAD EXAMIANS APP
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