Oracle-L: RE: Queries Help

From: Naveen Nahata <naveen_nahata_at_mindtree.com>
Date: Thu, 30 Jan 2003 01:03:58 -0800
Message-ID: <F001.0053E3DE.20030130010358@fatcity.com>

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:Ranganath.Krishnaswamy_at_blr.hpsglobal.com] 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?

A table has two columns "Code" and "Type". Form a query to swap the values of these columns.
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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Author: Krishnaswamy, Ranganath
INET: Ranganath.Krishnaswamy_at_blr.hpsglobal.com

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Author: Naveen Nahata
INET: naveen_nahata_at_mindtree.com

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