Introduction to Database System Which of the following is not a relational database? dBASE IV 4th Dimension Reflex FoxPro dBASE IV 4th Dimension Reflex FoxPro ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DIFFERENT All of these None of these SELECT UNIQUE SELECT DISTINCT SELECT DIFFERENT All of these None of these SELECT UNIQUE SELECT DISTINCT ANSWER DOWNLOAD EXAMIANS APP
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 Which command is used to select distinct subject (SUB) from the table (BOOK)? SELECT DISTINCT SUB FROM BOOK None of these SELECT SUB FROM BOOK All of these SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these SELECT SUB FROM BOOK All of these SELECT ALL FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: C is a determinant. A → (A,B) is a composite determinant. B → C is a determinant. A → (A,B) is a composite determinant. B → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Composite identifiers consist of two or more attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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