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truncate if exists
Hi there.
I have a question regarding truncating/updating/deleting records in a table.
I have a table containing data and i want to update it with new data, but want to retain the differences in the "old" table-data compared to the data I want to update it with.
E.g.
Old table ==> Add data ==> New table
Now, how do I do that?
Nicolai
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