Why does Apache Spark return a date of January 1, 1900 when reading datetime data from SQL Server?

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This issue can occur when the datetime data in SQL Server is outside of the range supported by Spark. Spark only supports datetime values between January 1, 1900 and December 31, 9999. If a datetime value outside of this range is read from SQL Server, Spark will default to January 1, 1900. To avoid this issue, ensure that all datetime values in SQL Server fall within the supported range.