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.
Many women have held the belief that sagging is caused by the failure of the Cooper's ligaments to support the breast tissue. In fact, sagging is partly determined by genetic factors, but cigarette smoking, a woman's body mass index, her number of pregnancies, the size of her breasts before pregnancy, and age are all influencing factors.