title: How to create table Hierarchy like this
body: <p>I have a table of tests which has list of all tests available at hospitals , hospital also provides tests in groups as packages.
  an example of test table is given below...</p>
  
  <pre><code>Table : Tests
  Id    Name
  1     Test1
  2     Test2
  3     Test3
  </code></pre>
  
  <p>I want to create a table named Packages which will have these tests in groups like, i want to create group of these tests :</p>
  
  <pre><code>Table Packages:
  
  Package 1   has     
  Test 1
  Test 2
  and so on....
  
  Package 2    has      
  Test 3
  Test 2
  Test 1
  and so on....
  
  Package 3      
  Test 3
  Test 1
  and so on....
  </code></pre>
  
  <p>how can i do this in a better way possible</p>