Property:Property nullable

Property
edit
name	nullable
label	allow nulls?
type	Special:Types/Boolean
index	18
sortPos
primary key	false
mandatory	false
namespace
size
uploadable	false
default	false
inputType
allowedValues
documentation	should nullvalues be allowed and value set to NULL when empty?
values from
showInGrid	false
isLink	false
allow nulls?
topic	Concept:Property

Boolean This is a Property with type Special:Types/Boolean

Usage1

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Filter<p>The <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Property_page/Filter">search filter</a> allows the inclusion of <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Help:Query_expressions">query expressions</a> such as <code>~</code> or <code>!</code>. The selected <a rel="nofollow" class="external text" href="https://www.semantic-mediawiki.org/wiki/Query_engine">query engine</a> might also support case insensitive matching or other short expressions like:</p><ul><li><code>in:</code> result should include the term, e.g. '<code>in:Foo</code>'</li></ul><ul><li><code>not:</code> result should to not include the term, e.g. '<code>not:Bar</code>'</li></ul>

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Property:Property nullable

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