This is an OCP test question
A checkpoint will do the following:
A. Write data buffers to disk; update the control file and data file headers with new SCN
B. Write data buffers to disk only
C. Update the controlfile and write data buffers to disk
D. Update the controlfile and file headers with new SCN information
Please take time to answer the above question. one of the 4 choices from the above, is right. Which one?