Flat File Source Adapters - SSIS Data Flow

Syntax

To use the Flat File Source Adapter in SSIS Data Flow, follow this syntax:

[Flat File Source Adapter] -> [Data Flow] -> [Destination Adapter]

where,

• Flat File Source Adapter reads data from the flat file.
• Data Flow transforms the data if required.
• Destination Adapter writes the data to the destination.

Example

To read data from a flat file using the Flat File Source Adapter, refer to this example:

1. Drag and drop the Flat File Source Adapter to the Data Flow.
2. Double-click on the Flat File Source Adapter.
3. In the Flat File Connection Manager, browse and select the flat file.
4. Specify the format of the flat file.
5. Map the columns from the flat file to the output columns of the Flat File Source Adapter.

Output

The output of the Flat File Source Adapter in SSIS Data Flow is the data read from the flat file.

Explanation

Flat File Source Adapter is used to read data from a flat file. It extracts the data from the flat file and pushes it to the Data Flow for further processing. It supports different file formats like CSV, TSV, Fixed-Width etc. The file format is specified in the Flat File Connection Manager. The columns from the flat file are mapped to the output columns of the adapter.

Use

Flat File Source Adapter is used when we need to read data from a flat file. It is used in ETL (Extract, Transform, Load) operations where we need to extract data from various sources and transform it before loading it into a target destination.

Important Points

• Flat File Source Adapter can read data from different file formats like CSV, TSV, Fixed-Width etc.
• The file format is specified in the Flat File Connection Manager.
• The columns from the flat file are mapped to the output columns of the adapter.

Summary

Flat File Source Adapter is used to read data from flat files like CSV, TSV, Fixed-Width etc. It extracts the data from the file and pushes it to the Data Flow for further processing. The file format is specified in the Flat File Connection Manager and the columns from the file are mapped to the output columns of the adapter. It is used in ETL operations where we need to extract data from various sources and transform it before loading it into a target destination.