title: I want to get sum of values of totals of different columns of different tables(i.e they are no linked through foreign keys) in one column or in query
body: <p>I want to get the sum value of total of Total_record field from employee_record tabel and Total field of Gazana_Mazdori table. I have many tables but to simplify my question I am only asking for two table Right now. These two tables are not linked with each other through foreign keys</p>
  <p><em><strong>Gazana_Mazdoori</strong></em> table
  <a href="https://i.stack.imgur.com/njQ1A.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/njQ1A.png" alt="enter image description here" /></a></p>
  <p><em><strong>Employee Record</strong></em> table
  <a href="https://i.stack.imgur.com/e60pV.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/e60pV.png" alt="enter image description here" /></a></p>
  <p>My total value should be <code>75 (Total of Total_record field) + 550(total of Total field)=625</code></p>