【OCP-12c】2019年CUUG OCP 071考试题库（77题）

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

原文地址：https://www.cnblogs.com/cnblogs5359/p/10550585.html

时间： 2024-10-09 02:21:22

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