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Select the correctly constructed CHECK constraint to validate the date _ of _ birth column of type data, to ensure that values placed into it

Select the correctly constructed CHECK constraint to validate the date_of_birth column of type data, to ensure that values placed into it are greater than 1850-01-01
CHECK (date_of_birth >'1850-01-01')
CHECK (date_of_birth >1850-01-01)
CHECK (date_of_birth <'1850-01-01')
CHECK (date_of_birth >='1850-01-01')

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