You might ask your programmer to read the manual. However, the first might
be a nice enhancement but it's not currently available.
As for the second, SQL*Loader either inserts into an empty table or appends
to a table with existing data. It doesn't do an implicit update. However,
if your table has a column with a timestamp showing when each row was
inserted then you could disable the unique constraint, append the new data
via SQL*Loader, find the rows with duplicate key values, delete the older
rows and re-enable the constraint.
YTTRI Lisa
<lisa.yttri To: Multiple recipients of list ORACLE-L
@cnh.com> <[EMAIL PROTECTED]>
Sent by: root cc:
Subject: SQL Loader questions
10/24/2001
12:05 PM
Please
respond to
ORACLE-L
Hi everyone -
I need some help. We have an application running on 8.0.5 on NT. My
programmer tells me that she should be able to add columns to a table
simply
by changing the sql loader control file definition of the input. I have
looked through the documentation and tried several tests, but I can't see
any way that this would work.
Is this actually possible with SQL Loader?
Also, she tells me that if a record exists in the table and she has the
same
record (key value only) in the input file, that SQL Loader should update
the
record with any changed field values. Is there a special keyword to do
this
- I can't seem to find anything on that either?
Thanks in advance for any help you can give me.
Lisa
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