Whenever I do an import into SalesLogix I put all my source data into a staging database in SQL Server. This allows you to work with your data in a common place and massage & group data via SQL Views and provides a common place to work with your source data no matter what format it was in (CSV, Excel, Access, AS400, dBase, etc). This SQL statement will allow you to dump the data from yuor staging tables so you can start out clean again.
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