title: How to create product specification table in database for ecommerce site
body: <p>I am working on ecommerce project i had little confusion to create table on database.</p>
  
  <p>Now i am creating multiple product in ecommerce like flikart.
  for clothing i need different specification(color,size) and for mobile i need different specification(ram,storage) and each product i had different specification.</p>
  
  <p>If i view the page in front end (if i selected mobile means it should display only specification based on mobile phone). </p>
  
  <p>how to create table for this purpose.</p>