Q71 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?
- (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
Answer: B