Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relations are categorized into normal forms according to the referential integrity constraints that they have. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information tree Database Directory information Information provider Information tree Database Directory information Information provider ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A scheme describes None of these data elements record relationships records and files All of these None of these data elements record relationships records and files All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for reducing storage space requirements improving data integrity None of these protecting data in data communication systems All of these reducing storage space requirements improving data integrity None of these protecting data in data communication systems All of these ANSWER DOWNLOAD EXAMIANS APP
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