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69、Which is true about unusable indexes? A. Rebuilding an unusable index always requires at least
2、Which two are true about Optimizer Statistics? A) They do not persist across Instance restarts.
20、Your database is using Automatic Memory Management. Which two SGA components must be managed m
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70、Which two are true about space management in tablespaces? A. Free lists are used for managing
65、Which three structures can span multiple data files? A. chained rows B. segments C. tempor
34、Which is true about invalid PL/SQL objects? A) They are automatically recompiled against the n
71、Which command is used to display files that no longer conform to the backup retention policy?
47、Which two are true about the Data Recovery Advisor? A. It can be used only for databases that
22、USER1 grants SELECT, INSERT, and UPDATE privileges on USER1. EMP to USER2. SYS executes this
