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27、Which two are true about data dictionary views? A) ALL or USER prefixed views display output that are subsets of the ...

云搜网2024-11-30聚合分类

60、Which two are true about UNDO data? A. Inactive UNDO is never written to disk. B. Active UNDO is always kept in memor...

云搜网2024-11-28聚合分类

1、Which two are true about the Archive (ARCn) processes? A) They automatically delete obsolete archive logs to make spac...

云搜网2024-11-27聚合分类

50、When does an incremental checkpoint occur? • A. when DBWn writes dirty buffers as part of its normal process • B. whe...

云搜网2024-11-24聚合分类

连接操作相关的命令     默认直接连接  远程连接-h 192.168.1.20 -p 6379     ping：测试连接是否存活如果正常会返回pong  ...

云搜网2024-11-24聚合分类

22、USER1 grants SELECT, INSERT, and UPDATE privileges on USER1. EMP to USER2. SYS executes this command: SQL> REVOKE ...

云搜网2024-11-21聚合分类

47、Which two are true about the Data Recovery Advisor? A. It can be used only for databases that are running in ARCHIVEL...

云搜网2024-11-21聚合分类

71、Which command is used to display files that no longer conform to the backup retention policy? A. CROSSCHECK BACKUP B....

云搜网2024-11-20聚合分类

34、Which is true about invalid PL/SQL objects? A) They are automatically recompiled against the new definition of a refe...

云搜网2024-11-18聚合分类

65、Which three structures can span multiple data files? A. chained rows B. segments C. temporary segment extents D. inde...

云搜网2024-11-17聚合分类

70、Which two are true about space management in tablespaces? A. Free lists are used for managing free space for segments...

云搜网2024-11-16聚合分类

20、Your database is using Automatic Memory Management. Which two SGA components must be managed manually? A) default buf...

云搜网2024-11-09聚合分类

2、Which two are true about Optimizer Statistics? A) They do not persist across Instance restarts. B) They are automatica...

云搜网2024-11-06聚合分类

69、Which is true about unusable indexes? A. Rebuilding an unusable index always requires at least twice the space of the...

云搜网2024-11-04聚合分类

57、Which two statements are true about dispatchers used by the Oracle shared server? A. Multiple user processes can conn...

云搜网2024-11-03聚合分类

19、Which two can be backed up by using RMAN when a database Is open in ARCHIVELOG mode, so that media recovery can be pe...

云搜网2024-10-30聚合分类

38、Which two are true about data dictionary and dynamic performance views (v$ views)? A) All database users have access ...

云搜网2024-10-28聚合分类