null value

listen to the pronunciation of null value
İngilizce - Türkçe
boş değer
İngilizce - İngilizce
Having no explicitly assigned value In particular, a NULL value is different from a zero or a blank
The absence of a value
A special field value, distinct from 0, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown (12)
A parameter position for which no value is specified IBM
Nothing; an empty or zero-length string
A special status of a field that indicates that the value is unknown
The absence of a value A null value should mean only that nothing is known about the value
The absence of a value If a particular column of a row in a table is null, that means there is no value stored Null is not the same as blank or zero
A special field value, distinct from 0, blank, or any other value, that indicates that the value for the field is missing or otherwise unknown