RE: Queries Help

Simpler

SQL> select * from testab;

      CODE TYPE
---------- ----------

         5          1
         6          2

SQL> UPDATE testab SET code = type, type = code;

2 rows updated.

SQL> select * from testab;

      CODE TYPE
---------- ----------

         1          5
         2          6

Regards
Naveen

-----Original Message-----
Sent: Thursday, January 30, 2003 1:09 PM To: Multiple recipients of list ORACLE-L

Hi Ranganath,

the query for ur first question is

update testtab t1 set t1.code = ( select t2.type from testtab t2 where t1.rowid = t2.rowid ) , t1.type= ( select t2.code from testtab t2 where t1.rowid = t2.rowid )

...will let u know if i can get a query for ur second question.

Regards,
Prem Khanna J.

On Thu, 30 Jan 2003 Krishnaswamy, Ranganath wrote :
>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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