Derived Columns

<Biml xmlns="http://schemas.varigence.com/biml.xsd">
    <Packages>
        <Package Name="My Package" ConstraintMode="Parallel">
            <Tasks>     
                <Dataflow Name="My Dataflow Task">
                    <Transformations>
                        <OleDbSource Name="FedReserve" ConnectionName="FederalReserveInstruments">
                            <DirectInput>select * from DimInstrument</DirectInput>
                        </OleDbSource>

                        <!-- Derives a new column, Domain, by stripping out the domain from email addresses specified in the Url column -->
                        <DerivedColumns Name="Derived Columns Transformation">
                            <Columns>
                                <Column Name="Domain" DataType="AnsiString" Length="50">SUBSTRING(Url, 1, FINDSTRING(Url, "/", 2))</Column>
                            </Columns>
                        </DerivedColumns>
                    </Transformations>
                </Dataflow>
            </Tasks>
        </Package>
    </Packages>
</Biml>