title: MySQL NAND/NOR operations in Queries
body: <p>Can any one help me in explaining how to write a query for NAND and NOR?</p>
  
  <p>I am getting confused? Is there any good example which help to understand the NAND and NOR operation in query?</p>
  
  <p>I worked in AND and OR operation between two SQL Queries.. But when I am searching some thing related to NAND/NOR I cant find any tutorial.</p>