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Oracle Database Administration I Exam Questions

Oracle

Oracle Database Administration I

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Question 34:

The SCOTT/TIGER user exists in two databases, BOSTON_DB and DALLAS_DB, in two different locations. Each database has a tnsnames.ora file defining DALLAS_DB as a service name. Examine this command: CREATE DATABASE LINK dblink1 CONNECT TO scott IDENTIFIED BY tiger USING "˜dallas_db`; How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB? 

Answer options:

A. as SCOTT in DALLAS_DB
B. as SCOTT in BOSTON_DB
C. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
D. as SYS in both the databases
E. as SCOTT in both the databases