title: Adding new column to relation in Pig Latin
body: <p>I have 2 relations </p>
  
  <pre><code>R1 = ( a1,a2,a3...an)
  R2 = (b1)
  </code></pre>
  
  <p>where R1 has lots of rows and R2 just has 1 row</p>
  
  <p>Now I need an output which will have column added to R1</p>
  
  <p>the equivalent SQL is </p>
  
  <pre><code>select a1,a2,a3...an,b1 from R1,R2
  </code></pre>