Solution to second query:
SQL> SELECT * FROM emp;
EMPID MGRID SALARY NAME
---------- ---------- ---------- ----------
1 1000 A
2 1 500 B
3 1 1500 C
SQL> SELECT *
2 FROM emp e1
3 WHERE mgrid IS NOT NULL
4 AND salary > ( SELECT salary
5 FROM emp e2
6 WHERE e2.empid = e1.mgrid);
EMPID MGRID SALARY NAME
---------- ---------- ---------- ----------
3 1 1500 C
Regards
Naveen
-----Original Message-----
[mailto:[EMAIL PROTECTED]]
Sent: Thursday, January 30, 2003 10:39 AM
To: Multiple recipients of list ORACLE-L
Hi List,
I need the queries for the following requirements. Can anybody help me
please?
1. A table has two columns "Code" and "Type". Form a query to swap the
values of these columns.
2. A table contains empid, salary, mgr_id. Form a query to select the
employees who have the salary more than their manager's salary. And if the
mgr_id is null then that record should not be selected.
Thanks and Regards,
Ranganath
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