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Chapter 12. Data Importing and Repairing > Importing Data without Duplications

Importing Data without Duplications

Although it's good to clean up a database after you've imported records, it's even better to avoid duplication to begin with.

To compare your new data with your old data and avoid importing duplicates, you'll need to have the field and script created in “To find duplicate records” above. You'll also want to create a clone of the main file first. You can then import the data into the clone, manipulate it in perfect confidence and safety, then import the results into the main file.


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