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.
If you get blemishes on your cheeks... Acne in the cheek area can be a sign of high sugar consumption, says Dr. Doyle. Cleaning up your diet and limiting your intake of the sweet stuff may help cheek breakouts clear up. You should also be aware of how close you're holding your phone to your face.