大数据就业实战培训 Oracle就业实战培训
OCP考试考3门，之前题库比较稳定，但是随着oracle对ocp的调整，现在ocp的题换了很多，052考试的题库几乎全换，而且到现在还在不断的加入新考题，这里整理了一些052的新题，希望对大家有帮助。
30、Which is true when a database instance is shut down?
A. Only transactional and normal modes wait for all uncommitted transactions to commit or rollback and then close the database.
B. Immediate, transactional, and normal modes all result in a checkpoint.
C. Neither the immediate nor the abort mode rolls back uncommitted transactions.
D. Immediate, transactional, and normal modes wait for all uncommitted transactions either to commit or rollback and then close the database.
Correct Answer: AB
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