title: How to use imp command for overwrite existing data
body: <p>I am using the <code>imp</code> command for importing a database but after one time, we are executing the <code>imp</code> command again so that data is inserted a 2nd time. We want to remove the old data and insert fresh data.  </p>
  
  <p>This is what I tried...</p>
  
  <p>Please help me and suggest for specific parameter which is help solved that type  of problem..</p>
  
  <p>thanks and sorry for my English..</p>