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 The relational model uses some unfamiliar terminology. A tuple is equivalent to a field record data base data item field record data base data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these SELECT ALL FROM BOOK All of these SELECT SUB FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An attribute that names or identifies entity instances is a(n): identifier. attribute. entity. relationship. identifier. attribute. entity. relationship. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable all triggers on a table? All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE All of the listed here ALTER TABLE ALTER TRIGGERS MODIFY TRIGGERS IN TABLE ANSWER DOWNLOAD EXAMIANS APP
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