title: Comma separated values to individual columns in Kusto
body: <p>I have two columns in kusto table, The second column has comma separated values, and I need the values to be projected as individual columns. The comma sepearted values in second column, changes for each environment, and it cannot be hardcoded.</p>
  
  <p>Input:</p>
  
  <pre><code>key    val
  key1   val1,val2,val3,val4
  key2   val8,val2,val9,val4
  key3   val8,val1,val9,val5
  </code></pre>
  
  <p>output:</p>
  
  <pre><code>keyhdr valhdr1 valhdr2 valhdr3 valhdr4    
  key1   val1    val2    val3    val4
  key2   val8    val2    val9    val4
  key3   val8    val1    val9    val5
  </code></pre>