A Null Value in a Column May Indicate That There

question 36

True/False

A null value in a column may indicate that there is an appropriate value for that attribute,and although the value is known,no one has entered the value into the database.

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Definitions:

Anesthesia

A medical procedure involving the administration of medication to temporarily block sensation, typically to perform surgery or other painful procedures.

AIDS Virus

HIV (Human Immunodeficiency Virus), the virus that causes AIDS (Acquired Immunodeficiency Syndrome) by attacking the immune system.

Breech Presentation

A fetal position in which the baby's buttocks or feet are positioned to come out first during birth, instead of the head.

Umbilical Cord

A flexible tube that connects a fetus to the placenta, delivering nutrients and removing waste.