A value of NULL indicates that the value is unknown. A value of NULL is different from an empty or zero value. No two null values are equal. Comparisons between two null values, or between a NULL and any other value, return unknown because the value of each NULL is unknown.
Skin Spots on the Face. Most causes of spots on face are harmless. They can be a variety of colors including white, red, black or brown. Common causes include cumulative sun exposure, acne, and skin tags. Keratoacanthoma (hyperkeratosis) is a lesion that grows rapidly, usually on areas exposed to the sun.
The most affected parts are the fingers, legs, joints such as elbows and knees. However, white bumps on face can also be caused by calcium deposits. When this occurs, a patient is likely to have a cluster of small papules on the skin site. 10. White pimple on face Infected pimple on the face, chin. Do you have white bumps on face not milia?