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DTS Custom Transformation Fundamentals

SQL Server 2000

The following topics describe functions, interfaces, data structures and registration issues you must consider when you implement Data Transformation Services (DTS) custom transformations.

Topic Description
COM DLL Infrastructure Describes the functions involved with creating, loading and registering the component that all COM DLLs must implement.
IDTSDataPumpTransform Interface Describes the interface that all custom transformations must implement. IDTSDataPumpTransform supports initialization, schema validation, data transformation and termination.
IDTSDataPumpTransform2 Interface Describes the interface that custom transformations used with Microsoft® SQL Server™ 2000 must implement. IDTSDataPumpTransform2 supports pre-validation and multiple phases of data transformation.
Column Information Structures in DTS Transformations Describes the data structures that contain information about the source and destination columns. These data structures are arguments to the methods of IDTSDataPumpTransform and IDTSDataPumpTransform2.
Registration Requirements for Transformations Describes the information that must be stored in the system registry that allows DTS to find and run the transformation.

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