title: SQLite count number of occurence of word in a string
body: <p>I want to count number of occurrences of a word in a string for example ,</p>
  
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  <pre class="snippet-code-html lang-html prettyprint-override"><code>[{"lastUpdatedDateTime":{"timestamp":1.54867752522E12},"messageStatus":"DELIVERED","phoneNumber":"+916000060000"},{"lastUpdatedDateTime":{"timestamp":1548677525220},"messageStatus":"DELIVERED","phoneNumber":"+916000060000"}]</code></pre>
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  in above string i want to count no of occurrences of a word 'DELIVERED' here it is 2.
  i want to get result 2. pls help me on this. i should have to use only sql query to achieve this.</p>
  
  <p>thanks in advance.</p>