开发者_高级运维What is the purpose of Derived Column Task ?
It allows you to add a derived (computed) column in a Data Flow task. It's a convenient way to compute an arbitrary expression for each row of a data source or intermediate result.
Derived Column Task
开发者_高级运维What is the purpose of Derived Column Task ?It allows you to add a derived (computed) column in a Data Flow task. It\'s a convenient way to compute an arbitrary expression for each row
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