Hi
You can write the insert

INSERT INTO EMP
SELECT MAX(EMPID),'DFGH'
FROM emp_reg
WHERE ENAME='SACHI'


Regards
Veera




-----Original Message-----
From: Bhat Vikas
[mailto:oracledba-ezmlmshield-x95058601.[Email address protected]
Sent: Wednesday, September 28, 2005 7:34 PM
To: LazyDBA Discussion
Subject: RE: Insert problem


Hi

The syntax you are using to insert is incorrect. The syntax is -

INSERT INTO EMP(EMPID,ENAME)
SELECT MAX(EMPID),'DFGH'
FROM emp_reg
WHERE ENAME='SACHI'

Note that you cannot use select within a values clause.

Vikas Bhat
Senior Software Engineer,
FBSI Pvt Ltd.,
Embassy Golf Links Business Park,
Intermediate Ring Road,
Bangalore - 560071
Email - vikas.[Email address protected]
Ph:91-80-56916482
Mob:91-9845589149
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-----Original Message-----
From: Sachidananda_T
[mailto:oracledba-ezmlmshield-x63669305.[Email address protected]
Sent: Wednesday, September 28, 2005 11:12 AM
To: LazyDBA Discussion
Subject: Insert problem


Hi,



A statement like this sometimes gives me Cannot insert null into EMPID
column even though EMP_REG has a record with ename as SACHI.



This is very strange with oracle.



INSERT INTO EMP(EMPID,ENAME) VALUES( (SELECT MAX(EMPID) FROM EMP_REG
WHERE ENAME='SACHI'),'DFGH');



Of course I can replace this as



DECLARE

MAX_EMP NUMER:=0;

BEGIN

SELECT MAX(EMPID) INTO MAX_EMP FROM EMP_REG);

INSERT INTO EMP(EMPID,ENAME) VALUES( MAX_EMP,'DFGH');

END;

And this works fine.



But I would like to know why the above INSERT has failed.



Regards

Sachi









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