Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for All of these reducing storage space requirements protecting data in data communication systems improving data integrity None of these All of these reducing storage space requirements protecting data in data communication systems improving data integrity None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. Index Update Sort Key Delete None of these Index Update Sort Key Delete None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): attribute. ER database. entity class. attribute. ER database. entity class. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? tables treelike structure records complex logical relationships tables treelike structure records complex logical relationships ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? All of these elimination of the data redundancy increased security program/data independence ability to associate related data All of these elimination of the data redundancy increased security program/data independence ability to associate related data ANSWER DOWNLOAD EXAMIANS APP
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