View the following SQL statements：  
Transaction T1 INSERT INTO hr.regions VALUES （5，’Pole’）；COMMIT； 
Transaction T2 UPDATE hr.regions SET region_name=’Poles’ WHERE region_id = 5； COMMIT； 
Transaction T3 UPDATE hr.regions SET region_name=’North and South Poles’ WHERE region_id = 5；  
You want to back out transaction T2. 
Which option would you use？（）

You plan to use SQL Performance Analyzer to analyze the SQL workload. You created a SQL Tuning Set as a part of the workload capturing. 
What information is captured as part of this process？（）