Explanation: An unqualified column name is. ambiguous if more than one table or view identified in. the FROM clause has a column with that name, or if. more than one column of a nested table expression has. that name.
The exact cause of clubfoot is unknown, but doctors agree that a family history of clubfoot increases the likelihood that a child will be born with the condition. In addition, mothers who smoke and drink during pregnancy are more likely to give birth to a child with a clubfoot or clubfeet.
Club Foot. The Facts. Congenital talipes equinovarus, commonly known as club foot, is a foot deformity in which the foot is twisted inward with the toes pointing down. It affects approximately 1 in every 1,000 newborns in the US each year. It is more common in males. Club foot may affect one or both feet.