A district migrates from a legacy SIS to PowerSchool. During data validation, some student birthdates imported as '00/00/0000'. What is the best corrective action?
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A
Leave them blank; PowerSchool accepts null birthdates
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B
Run a mass update SQL script to set them to NULL
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C
Identify and manually correct each record using the student search
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D
Re-import with a corrected file after fixing source data