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Asked: 2026-05-18T10:55:53+00:00

I have a FoxPro data source, and the destination is SQL Server 2008. On

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I have a FoxPro data source, and the destination is SQL Server 2008.

On the FoxPro side, I have a column with the Date data type. That’s a width of 8, min value is 0001-01-01 and max is 9999-12-31. On the SQL Server side, I have a datetime. Also a width of 8, min value is 1753-01-01 and max is 9999-12-31.

In my SSIS Data Flow task, I have an OLE DB Source component that reads in the FoxPro table. The columns are mapped as DT_DBDate in both External and Output Columns. The OLE DB Destination to the SQL Server table takes that columns and flows it to a DT_DBTIMESTAMP. I’m sure that DT_DBTIMESTAMP can handle these date ranges adequately, and reasonably sure about DT_DBDATE (but am having trouble finding it in MS documentation).

The Problem

When I execute the task, I’ve been having trouble with it failing and complaining of “Invalid date format” and then “Conversion failed because the data value overflowed the specific type” when it encounters values from around the early 1900s, to values over 2050. I’m not exactly sure where I’ve gone wrong.

Bonus Question

How can I handle overflows in my data flow task?

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1 Answer

  1. Editorial Team

    you might want to do a simple VFP query looking for the records that are beyond the range such as a VFP query of 

    select * from yourtable
   where YourDate < date( 1753, 1, 1 )
      or YourDate > date( 9999, 12, 31 )

    look at those records for problems…
    Additionally, look at other columns that may be causing your boundary issues

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