title: SQL Json null value openjson
body: <p>When I run this I get an error how do I take into consideration that the value could be null and it not throw a error ?</p>
  
  <pre><code>       declare @Concepts varchar(500)
  
      set @Concepts = '{"Concepts":null}';
  
     select [value] from openjson(@Concepts,'strict $.Concepts')
  </code></pre>
  
  <p>when it is not null </p>
  
  <pre><code>    set @Concepts = '{"Concepts": [4324,2342]}';
  </code></pre>
  
  <p>This is the error I am getting</p>
  
  <p><strong><em>Value referenced by JSON path is not an array or object and cannot be opened with OPENJSON.</em></strong></p>