Advanced SQL The joining technique is useful when data from several relations are to be retrieved and displayed and the relationships are not necessarily nested. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? All of these Does not start with the word SELECT. Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. All of these Does not start with the word SELECT. Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL How many tables may be included with a join? Two All of these Three One Two All of these Three One ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Natural join All of these Equi-join Outer join Natural join All of these Equi-join Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The code to create triggers and routines is stored in only one location and is administered centrally. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. False True False True ANSWER DOWNLOAD EXAMIANS APP