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58题、choose two Which two statements are true about Oracle network connections? A) A listener may listen on behalf of only one database instance at a t 阅读全文
posted @ 2019-07-17 10:02
cnblogs_5359
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57题、choose one Which statement is true about a database in ARCHIVELOG mode? A) Full database backups can be performed when the database is opened. B) 阅读全文
posted @ 2019-07-17 09:28
cnblogs_5359
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