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Your boss at Certkiller .com wants you to clarify Oracle 10g. Which two steps are performed the first time any UPDATE statement is issued after the instance is started？（）
A:Creating the parse tree of the statement
B:Writing the modified data blocks to the data files
C:Writing the modified data to the archived redo log files
D:Updating the control file to indicate the most recent checkpoint
E:Updating the data file header to indicate the most recent checkpoint
F:Reading the blocks to database buffer cache if they are not already there

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出自：Oracle认证

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