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Troubleshooting Error 0xc0202049: Data Flow Task Failure Inserting Data in SSIS

Error `0xc0202049` in SSIS (SQL Server Integration Services) signals a failure during the data insertion process within a Data Flow Task. This error is common, especially when dealing with large datasets or complex transformations, and typically points to a data type mismatch, constraint violation, or other data-related issues hindering the successful insertion of data into the destination database.

This tutorial provides a comprehensive guide to understanding, diagnosing, and resolving this error. We'll cover the error's meaning, common causes, troubleshooting steps, and prevention strategies, supplemented with code examples where relevant.

*Understanding the Error*

The error message `0xc0202049` specifically indicates a failure during the insertion process within the Data Flow Task. It means that the SSIS package attempted to write data into the destination database table but encountered an error that prevented the insertion from succeeding. The underlying cause can be diverse, so a thorough investigation is crucial.

*Common Causes of Error 0xc0202049*

1. *Data Type Mismatches:*

*Incompatible Data Types:* The most frequent culprit. The data type of a column in your source data doesn't match the data type of the corresponding column in the destination table. For example, trying to insert a string into an integer column, or a date in a format incompatible with the date column.
*Data Length Exceeded:* The source data contains strings that are longer than the defined length of the destination column. This results in a truncation error.
*Numeric Overflow:* Attempting to insert a number that exceeds the maximum value permissible for the destination column's data type. For example, inserting a value larger than the maximum value for `INT` or `SMALLINT`.
*Date/Time Issues:* Date and time values in the source don't conform to the exp ...

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