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:
How do you execute the command so that only SCOTT in BOSTON_DB can access the SCOTT schema in DALLAS_DB?
A. as SCOTT in BOSTON_DB
B. as SYS in both the databases
C. as SCOTT in BOSTON_DB and SYS in DALLAS_DB
D. as SCOTT in both the databases
E. as SCOTT in DALLAS_DB
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