While stranded on information super highway Daniel Morgan wrote:
:)Hemant Shah wrote:
:)
:)>Folks,
:)>
:)> I was reading Chapter 4 of Pro*C/C++ Precompiler Programmer's Guide. In it
:)> they say the Oracle Internal Datatype VARCHAR2 must be less than 4000 bytes
:)> (page 4-2), and Oracle external Datatype VARCHAR2 must be less than 65535
:)> bytes (page 4-4).
:)>
:)> How can I define a VARCHAR2 column greater than 4000 bytes?
:)>
:)> When I try to create table using PL/SQL I get following error:
:)>
:)> ORA-00910: specified length too long for its datatype
:)>
:)>
:)>
:)>
:)>
:)You can't. The storage data type for strings longer than 4K is CLOB.
:)
:)--
:)Daniel Morgan
:)http://www.outreach.washington.edu/extinfo/certprog/oad/oad_crs.asp
:)damorgan_at_x.washington.edu
:)(replace 'x' with a 'u' to reply)
:)
Thank you all to the replies. I was confused by the diffrence between internal
and external datatypes. I am still confused as to why they have two different
datatypes.
--
Hemant Shah /"\ ASCII ribbon campaign
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Received on Wed Aug 06 2003 - 09:22:05 CDT
