多选题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？（）ACreating the parse tree of the statementBWriting the modified data blocks to the data filesCWriting the modified data to the archived redo log filesDUpdating the control file to indicate the most recent checkpointEUpdating the data file header to indicate the most recent checkpointFReading the blocks to database buffer cache if they are not already there
多选题
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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