How to add the new column to a specific position
Hello
My table looks like Fallows.
Select * from company
PRODUCT_ID | COMPANY_ID | COMPANY_SHORT_NAME | COMPANY_LONG_NAME |
---|---|---|---|
1 | 1001 | An Inc. | Long name A Inc. |
1 | 1002 | B Inc. | Long name B Inc. |
1 | 1003 | C Inc. | Long name C Inc. |
2 | 1004 | D Inc. | Long name D Inc. |
2 | 1005 | E Inc. | Long name E Inc. |
2 | 1006 | F Inc. | Long name F Inc. |
My requirement is I would LIKE to add A NEW COLUMN AS COMPANY_LOCATION NEXT TO COMPANY_SHORT_NAME
How to get there.
I tried like Fallows alter company table add company_location varchar2 (100) after company_short_name;
but this query shows the error
ORA-01735: invalid option of ALTER TABLE
If the query I've tried is correct?
Give me your suggestions.
Thanks in advance.
As long as you're on 11 GR 2 or lower, it will not work.
There is no Clause "AFTER"in the alter table do not add column."
You have the chance to use dbms_redefinition (when no interruption of service is possible) or manually create a new table with the columns in the order you need and then migrate the data and then drop the original and rename a new.
In case you are already on 12 c, you have a chance to add the column to the end and then make visible columns and invisible status in the right order. This way your column will get to the position that you want it to be.
Kind regards
Carsten
Tags: Database
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