GRANTEE PRIVILEGE ADM
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DBA CREATE DATABASE LINK YES
12 rows selected.
SQL> grant create database link to scott;
Grant succeeded.
SQL> create database link comparison_link connect to scott identified by root using 'orac1';
Database link created.
SQL> show user
USER is "SCOTT"
SQL> select * from scott.emp@comparison_link;
EMPNO ENAME JOB MGR HIREDATE SAL COMM DEPTNO DEP
---------- ---------- --------- ---------- --------- ---------- ---------- ---------- ------------------------------
7369 SMITH CLERK 7902 17-DEC-80 800 20
7499 ALLEN SALESMAN 7698 20-FEB-81 1600 300 30
7521 WARD SALESMAN 7698 22-FEB-81 1250 500 30
7566 JONES MANAGER 7839 02-APR-81 2975 20
7654 MARTIN SALESMAN 7698 28-SEP-81 1250 1400 30
7698 BLAKE MANAGER 7839 01-MAY-81 2850 30
7782 CLARK MANAGER 7839 09-JUN-81 2450 10
7788 SCOTT ANALYST 7566 19-APR-87 3000 20
7839 KING PRESIDENT 17-NOV-81 5000 10
7844 TURNER SALESMAN 7698 08-SEP-81 1500 0 30
7876 ADAMS CLERK 7788 23-MAY-87 1100 20