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Oracle Database 12c Data Guard Administration Exam Questions

Oracle

Oracle Database 12c Data Guard Administration

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Question 8:

Your Data Guard environment has one physical standby database using Real-Time Query. Two sentences have been created by these SQL statements: create sequence a global; create sequence b session; Neither sequence has been used since being created. Session 1 connects to the primary database instance and issues these two SQL statements: SELECT a.nextval FROM DUAL; SELECT b.nextval FROM DUAL; Then session 2 connects to the physical standby database instance and issues the same SQL statements. What output will be seen for session 2? 
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Answer options:

A.
Option A
B. Option B
C. Option C
D. Option D