In my last post..I meant to say DB-LINKS...
About your LONGs. The first question would be: what type of data do they contain? In anycase, it is most likely going to require you to scan every record and compare. Hopefully, there is some sort of key value that you can use to specify which...
I would start out by creating a BD-LINK between the two databases. Then write selects that use MINUS or UNION to determine what is different or the same. You can take it a step further and use a PLSQL routine to loop through the results using a cursor and perform your inserts/updates/deletes...
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