Advanced SQL Which of the following is a correlated subquery? 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 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 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 inner query. Uses the result of an outer query to determine the processing of an outer query. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL ROLLBACK WORK asks SQL to empty the log file. False True False True 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 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 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 A UNION query is which of the following? Combines the output from no more than two 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 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 no more than two 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 must include the same number of columns. Combines the output from multiple queries and does not include the same number of columns. ANSWER DOWNLOAD EXAMIANS APP
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