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SSIS INTEGRATION SERVICES EXERCISES▼
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SSIS Integration Services | Script components exercise | Use a script component to add a new column to a table
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Create a new package called Calculate durations, and within this create a data flow task which reads in rows from the above workbook. Include a script component at the end:
The script component has a cross against it because you haven't configured it yet!
The imported data contains two columns for each series, giving the premiere date and the finale date:
It should be possible from these to work out how long each series lasted.
Get your script component to calculate and output a new column giving the duration of each series in days, using code similar to the following:
// take the time difference, and convert it into days
Row.DurationDays = (Row.Finale - Row.Premiere).Days;
Note that you'll need to pass in the Premiere and Finale input columns to the script component, but also add DurationDays as an integer output column.
Add a Union All transform and a data viewer to get this:
When you run the package, it should show your existing columns plus the one you've added in your scrpt component.
Run your package - you should see something like this:
Series 1 was the shortest series by far.
Take a few moments to think how much easier (and better!) it would have been to use a derived column transform to solve this problem instead, then close down your package.