Advanced SQL Triggers are stored blocks of code that have to be called in order to operate. False True False True 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
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 A UNION query is which of the following? Combines the output from no more than two queries and must include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. Combines the output from no more than two queries and must include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. Combines the output from multiple queries and must include the same number of columns. Combines the output from no more than two queries and does not include the same number of columns. 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 Natural join Equi-join Outer join Cartesian join Natural join Equi-join Outer join ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is a correlated subquery? Uses the result of an outer query to determine the processing of an outer query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an inner query. Uses the result of an outer query to determine the processing of an outer query. Uses the result of an inner query to determine the processing of an outer query. Uses the result of an outer query to determine the processing of an inner query. Uses the result of an inner query to determine the processing of an inner query. ANSWER DOWNLOAD EXAMIANS APP