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.
Most causes of spots on face are harmless. They can be a variety of colors including white, red, black or brown. Common causes include cummulative sun exposure, acne, and skin tags. Keratoacanthoma (hyperkeratosis) is a lesion that grows rapidly, usually on areas exposed to the sun. Vitiglio-Skin condition where the skin loses pigment or color. 2  Fungus (e.g; tinea versicolor)- A fungal infection can cause white spots on areas such as the back and chest. 3  An athletes foot or jock itch cream could be of some help.