Advanced SQL A correlated subquery is where the outer query depends on data from the inner query. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL There should be one condition within the WHERE clause for each pair of tables being joined. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to include rows that do not have matching values? All of these Natural join Outer join Equi-join All of these Natural join Outer join Equi-join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? Involves the use of an inner and outer query. Does not start with the word SELECT. All of these Cannot return the same result as a query that is not a subquery. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these Cannot return the same result as a query that is not a subquery. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL The following SQL is which type of join: SELECT CUSTOMER_T. CUSTOMER_ID, ORDER_T. CUSTOMER_ID, NAME, ORDER_ID FROM CUSTOMER_T,ORDER_T ; Cartesian join Equi-join Outer join Natural join Cartesian join Equi-join Outer join Natural join ANSWER DOWNLOAD EXAMIANS APP
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. False True False True ANSWER DOWNLOAD EXAMIANS APP
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