title: How to join tables using SQL
body: <p>I have tables in following format
  Table T1:-</p>
  
  <pre><code>Index A  | B  | C  |
    1   10 | 20 | 10 |
    2   15 | 45 | 42 |
    3   5  | 10 | 12 |
    :
  </code></pre>
  
  <p>Table T2:-</p>
  
  <pre><code>Index D  | E  |
    1   20 | 30 |
    2   35 | 5  |
    3   5  | 40 |
    :
  </code></pre>
  
  <p>Table T3:-<br>
  :<br>
  Table T4:-<br>
  :<br>
  :<br>
  Can we join multiple tables in following format using "sql" queries?</p>
  
  <pre><code>Index |____T1________|___T2____|...
  ______|_A__|_B__|_C__|_D__|_E__|
    1   | 10 | 20 | 10 | 20 | 30 |
    2   | 15 | 45 | 42 | 35 | 5  |
    3   | 5  | 10 | 12 | 5  | 40 |
    :
  </code></pre>
  
  <p>if yes, how?</p>