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--- data_concept:null_value [2023/02/17 12:20]
peter created
+++ data_concept:null_value [2024/03/08 13:33] (current)
@@ Line 2: / Line 2: @@
 ===Definition===
-A null value is a [[data value|data value]] that is void.
+A null value is a [[data_value|data value]] that is void.
-===Notes(s)===
+===Synonyms===
-A house that has no zip code.
+  * Nil
+  * Void
+===Notes===
+  * Example of a null value is missing zipcode of an adress.\\
+  * A null value is not the same as 0 (zero).
 ===Relation(s)===
-A null value is subordinate to a [[data value|data value]].
+|Null value| is child of |[[data_value|data value]]|
+|Null value| is part of a |[[value domain|value domain]]|
+{{tag>All}}