RE: Data Pump over NETWORK_LINK
- From: "Allen, Brandon" <Brandon.Allen@xxxxxxxxxxx>
- To: "Richard.Goulet@xxxxxxxxxxx" <Richard.Goulet@xxxxxxxxxxx>, "vnulllists@xxxxxxxxxxxx" <vnulllists@xxxxxxxxxxxx>, "oracle-l@xxxxxxxxxxxxx" <oracle-l@xxxxxxxxxxxxx>, "Roger.Xu@xxxxxxxx" <Roger.Xu@xxxxxxxx>
- Date: Tue, 21 Apr 2009 09:50:32 -0700
Mr. Goulet and I had some further discussion and ran some tests and found that
impdp can indeed move a LONG column *definition* over a network link, but it
can't move any LONG *data*. So, if you have a table with a LONG column, you
should be able to move it if there isn't any data in that column, however if
even one row has data in the LONG column, then it will fail with the following
error:
"ORA-31679: Table data object "<username>"."<table_name>" has long columns, and
longs can not be loaded/unloaded using a network link"
I also found another Metalink Note documenting this restriction: 553337.1
The workaround is to use regular file-based data pump - it does support LONGs,
just not over a network link.
Regards,
Brandon
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