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How does ArcView handle BLOB fields?
Binary Large OBject (BLOB) fields in RDBMs tables can store a variety of data for example, a binary file, an image, a Microsoft Word document, and so forth.
The dBASE format doesn't support BLOB fields, therefore you cannot add tables with BLOB fields to ArcView.
SQL Connectivity at 3.x doesn't support BLOB fields either. You can, however, bring in BLOB fields using the Database Access extension. ArcView can handle one BLOB field per table. The data is not actually added to ArcView, but it is written to a file on disk. One file is created for each record.