RE: changing a column type
- From: "Zelli, Brian" <Brian.Zelli@xxxxxxxxxxxxxxx>
- To: oracle-l <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 1 Jun 2012 18:48:35 +0000
I thought you would not be able to change it with data in it but he told me he
has in the past. I wasn't so sure......
ciao,
Brian
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Powell, Mark
Sent: Friday, June 01, 2012 2:43 PM
To: oracle-l
Subject: RE: changing a column type
Observe:
MPOWEL01@UT1> create table marktest2 ( fld1 number, fld2 varchar2(30));
Table created.
MPOWEL01@UT1> insert into marktest2 values (1,'something or other');
1 row created.
MPOWEL01@UT1> commit;
Commit complete.
MPOWEL01@UT1> alter table marktest2 modify (fld1 varchar2(10)); alter table
marktest2 modify (fld1 varchar2(10))
*
ERROR at line 1:
ORA-01439: column to be modified must be empty to change datatype
MPOWEL01@UT1>
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Zelli, Brian
Sent: Friday, June 01, 2012 1:51 PM
To: oracle-l
Subject: changing a column type
A colleague wants to change a column type from numeric to alpha-numeric. Can
he change it with data in it?
ciao,
Brian
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