title: Oracle SQL group row count by time intervals of 10 minutes
body: <p>I have a table in oracle which contains data such as the following</p>
  
  <pre>
  created_date       details  
  01-Jan-16 04:45    abcd  
  01-Jan-16 04:47    efgh  
  01-Jan-16 04:53    ijkl  
  01-Jan-16 04:54    mnop  
  01-Jan-16 04:58    qrst  
  </pre>
  
  <p>....etc</p>
  
  <p>I want to be able to count the number of rows in the table for every 10 minutes
  e.g. </p>
  
  <pre>
  Time    count
  04:40       2
  04:50       3
  </pre>
  
  <p>Created Date = Timestamp,
  details = varchar</p>
  
  <p>How would i do this?</p>
  
  <p>Thanks</p>