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SSIS Excel Source Versus Unicode FlatFile Source


SSIS Excel Source Versus Unicode FlatFile Source

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avinash.818
avinash.818
SSC Rookie
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Group: General Forum Members
Points: 39 Visits: 225
when we point a unicode flatfile(DT_WSTR),external columns remain DT_WSTR, but output columns automatically turn to DT_STR, there is no need to use a DataConversion to convert from DT_WSTR to DT_STR
whereas
for excel source(DT_WSTR) external columns will not be converted to DT_STR output columns automatically
we need to use a DataConversion Transformation to Convert DT_WSTR to DT_STR

any specific reasons?
MMartin1
MMartin1
Ten Centuries
Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)Ten Centuries (1.1K reputation)

Group: General Forum Members
Points: 1092 Visits: 2014
Because the data types in Excel do not fit snugly with those of SSIS. Also you have a General type (text) and can represent a number as well as a string. Everything from Excel gets automatically tagged as unicode so you the developer have to resolve the ambiguities.

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