Advanced SQL The UNION clause is used to combine the output from multiple queries together into a single result table. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both are stored in the database. Both consist of procedural code. Both have to be called to operate. Both run automatically. Both are stored in the database. Both consist of procedural code. Both have to be called to operate. Both run automatically. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL What type of join is needed when you wish to return rows that do have matching values? Outer join All of these Equi-join Natural join Outer join All of these Equi-join Natural join 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. All of these Involves the use of an inner and outer query. Does not start with the word SELECT. Cannot return the same result as a query that is not a subquery. All of these Involves the use of an inner and outer query. Does not start with the word SELECT. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL With the UNION clause, each query involved must output the same number of columns, and they must be UNION compatible. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is a correlated subquery? 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. Uses the result of an outer query to determine the processing of an outer query. ANSWER DOWNLOAD EXAMIANS APP
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