Advanced SQL ROLLBACK WORK asks SQL to empty the log file. True False True False 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. False True False True ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning routines and triggers? Both run automatically. 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. ANSWER DOWNLOAD EXAMIANS APP
Advanced SQL Which of the following statements is true concerning subqueries? All of these Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. Involves the use of an inner and outer query. All of these Cannot return the same result as a query that is not a subquery. Does not start with the word SELECT. Involves the use of an inner and outer query. 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 What type of join is needed when you wish to include rows that do not have matching values? Outer join Equi-join Natural join All of these Outer join Equi-join Natural join All of these ANSWER DOWNLOAD EXAMIANS APP
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