Advanced SQL The UNION clause is used to combine the output from multiple queries together into a single result table. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL When AUTOCOMMIT is set on, changes will be made automatically at the end of each SQL statement. False True False True 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. 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 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 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 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
Advanced SQL A transaction is the complete set of closely related update commands that must all be done, or none of them done, for the database to remain valid. True False True False ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following is one of the basic approaches for joining tables? Natural join Union Join Subqueries All of these Natural join Union Join Subqueries All of these ANSWER DOWNLOAD EXAMIANS APP