【OCP-12c】2019年CUUG OCP 071考试题库（77题）

标签：ted   only   one   last   number   name   cache   delete   database   

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

【OCP-12c】2019年CUUG OCP 071考试题库（77题）

标签：ted   only   one   last   number   name   cache   delete   database   

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