Question

Is There a Way to Insert a Column?

Asked by: keystrokes

I want to change a column's name, but I cannot alter table to change its name, so I have to add and drop.  But when I add, the new column goes to the last field.  Is there a way I can place the new column (well, replacement column) in the spot where the old one was dropped?

Thanks in advance.

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Asked On
2002-12-31 at 10:25:34ID20440356
Tags

column

,

insert

Topic

Oracle Database

Participating Experts
3
Points
50
Comments
4

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Answers

 

by: wes_wilsonPosted on 2002-12-31 at 10:29:28ID: 7650670

create table temp1
as
select col1, colx, col7, etc from old_table

drop table old_table

rename temp1 old_table

re-add your constraints.


-Wes

 

by: guptabPosted on 2002-12-31 at 10:29:47ID: 7650672

No there is no way prior to oracle 8i(latest release). You'll have to create a temporary table to back up the data and create the new table and insert the data back in there.
Regards,
Bhushan

 

by: asimkovskyPosted on 2002-12-31 at 10:36:34ID: 7650685

You will have to recreate the table with CREATE TABLE...AS SELECT.  If you have Oracle9i, you can use the DBMS_REDEFINITION package.


By the way, the order of columns in a table is not really that important, as long as your application calls each column by name explicitly.




Andrew

 

by: keystrokesPosted on 2002-12-31 at 11:02:56ID: 7650737

I have a few packages/procs doing insert statements without specifying column names.

20120131-EE-VQP-002

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