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分类： Oracle
2019-03-18 10:05:45
77、Which two statements are true about sequences created in a single instance database? (Choose two.)
A. When the MAXVALUElimit for the sequence is reached, you can increase the MAXVALUElimit by using the ALTER SEQUENCEstatement.
B. DELETE < sequencename > would remove a sequence from the database.
C. The numbers generated by a sequence can be used only for one table.
D. CURRVALis used to refer to the last sequence number that has been generated.
E. When a database instance shuts down abnormally, the sequence numbers that have been cached but not used would be available once again when the database instance is restarted.
Correct Answer: AD
