A、point-in-time recovery
B、execute the ROLLBACK command with transaction number
C、flashback the database to before the transaction was committed
D、determine all the necessary undo SQL statements from FLASHBACK_TRANSACTION_QUERY and use them for recovery
更多“Which method would you use to undo the changes made by a particular transaction without affecting the changes made by other transactions?（）”相关的问题
A、move the line 12 print statement into the foo() method B、change line 7 to public synchronized void go() { C、change the variable declaration on line 2 to private volatile int x; D、wrap the code inside the foo() method with a synchronized( this ) block E、wrap the for loop code inside the go() method with a synchronized block synchronized(this){ //for loop code here }
A、Use smit chinet B、Use smit mktcpip C、Issue ifconfig -a Y.Y.Y.Y D、Edit the /etc/hosts file with the new IP information
A、The Thread.sleep() method can take t1 as an argument. B、The Object.notify() method can take t1 as an argument. C、The Thread.yield() method can take t1 as an argument. D、The Thread.setPriority() method can take t1 as an argument. E、The Object.notify() method arbitrarily chooses which thread to notify.
A、A.Compilation fails. B、B.An exception is thrown at runtime. C、C.Synchronizing the run（） method would make the class thread-safe. D、D.The data in variable "x" are protected from concurrent access problems. E、E.Declaring the doThings（） method as static would make the class thread-safe. F、F.Wrapping the statements within doThings（） in a synchronized（new Object（））{} block would make the class thread-safe.
A、Compilation fails. B、An exception is thrown at runtime. C、Synchronizing the run（） method would make the class thread-safe. D、The data in variable "x" are protected from concurrent access problems. E、Declaring the doThings（） method as static would make the class thread-safe.
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