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Database export with different number of column [message #168189] Wed, 19 April 2006 04:07 Go to next message
Ajitpal
Messages: 18
Registered: May 2005
Location: Malaysia
Junior Member
Hi Guys,

I have 2 databases located in two different server where the source server has more columns than the destination server.

For example, in tableA at source, i have 10 columns
and in tableA at destination, i have 8 columns

How do i actually transfer the data in source which matches the column of the data in the destination

If i use exp utility, it seems like it copies the whole database.

thank you very much in advance

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Re: Database export with different number of column [message #168331 is a reply to message #168189] Wed, 19 April 2006 15:50 Go to previous messageGo to next message
Frank Naude
Messages: 4596
Registered: April 1998
Senior Member
Well, you can always use the SQL*Plus COPY command, create a Materialized View, or do a CTAS (CREATE TABLE AS) across a DB Link.

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Re: Database export with different number of column [message #168497 is a reply to message #168189] Thu, 20 April 2006 13:25 Go to previous message
markmal
Messages: 113
Registered: April 2006
Location: Toronto, Canada
Senior Member
Or, if you need to load data exactly from that export dump.

create separate schema (i.e IMPSCHEMA), import the table there (yes, you can import a single table, even can apply a filter which rows to import).

then issue
INSERT INTO MYTABLE ...
SELECT ... FROM IMPSCHEMA.MYTABLE

[Updated on: Thu, 20 April 2006 13:26]

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