title: How to get Null values of records in aerospike
body: <p><img src="https://i.stack.imgur.com/wOBQ9.png" alt="enter image description here"></p>
  
  <p>I'm working with aerospike. Using AQL, I inserted some data. I want to get null values of records with particular fields in aerospike. I'm tagging picture in that picture one record does not have a name its empty space</p>