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Home -> Community -> Usenet -> c.d.o.server -> Re: negative number specification in datatype?
Hi,
Use CHECK constraint.
ALTER TABLE EMP ADD CONSTRAINT
sal_chk CHECK (SAL >=0);
AMARENDRA
Oracle DBA
Jackie A. Marino wrote:
> Is there a way in Oracle when creating a table to specify that a number
> column cannot be negative, Sybase has this ability. OR should I just
> create a constraint or script?
>
> Thanks for your help.
>
> jam.
-- ***************************************************************** AMARENDRA B NETTEM Oracle Certified DBA (OCP) Whittman-Hart Inc., 311 South Wacker Drive, Suite 3500 Chicago, IL 60606. Residence: ----------- 5039 N E River Road, Apt. 1A NORRIDGE, IL 60656 Ph.No. (708) 583 9870 (H) (312) 913 6758 (W) E-mail:nettama_at_charlie.cns.iit.edu, anettem_at_whittman-hart.com Homepage: http://www.iit.edu/~nettama **************************************************************** Opinions are mine and do not necessarily reflect those of Whittman-hart Inc.Received on Tue Feb 17 1998 - 00:00:00 CST
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