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Editorial Team
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Asked: 2026-06-09T14:57:51+00:00

I am reading from one db table and writing same data to another db

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I am reading from one db table and writing same data to another db table.
Now if the date fields in the source do not have any data (null) then when it gets written to the destination table – the same fields get defaulted to a date “1/1/1900”.
I have not set this default value anywhere in my program. Not sure why it is happening.

Any idea how can I prevent that instead of checking each field for null values and setting it to a different value?

I am using Eclipse and SQL Server database.

Thanks.

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1 Answer

  1. Editorial Team

    One possibility is that the default value for the date columns are actually set to ‘1/1/1900’. If so , remove this default using SQLs ALTER TABLE. Syntax for SQL Server is:

    ALTER TABLE Table1 ALTER COLUMN DateColumn1 DROP DEFAULT

    Update: As it looks like this date is the out-of-the-box default, try setting:

    ALTER TABLE Table1 ALTER COLUMN DateColumn1 DATETIME NULL

    Some important notes here:

    1. Backup your database before you start altering tables(!)
    2. Use the the same datatype (e.g. DATETIME) in your ALTER command.
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