Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Outer join Natural join Equi-join All of these Outer join Natural join Equi-join All of these 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 How many tables may be included with a join? All of these Three One Two All of these Three One Two 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 inner 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 outer 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 inner 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 outer query. Uses the result of an inner query to determine the processing of an inner query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? 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. Involves the use of an inner and outer query. Does not start with the word SELECT. All of these ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Outer join is the same as equi-join, except one of the duplicate columns is eliminated in the result table. False True False True ANSWER DOWNLOAD EXAMIANS APP