Technical Definition: SQL  ----------- Structured Query Language SQL is a language that is used to access and manipulate database .  Simple Definition: SQL is a language used to create and talk to the database .  Explanation: When we create a database  it is useless if we can’t do anything with it; electronic database   is made for the purpose of making life easy by making information and  data centralized and getting standard information in the form of related  records from database  in niche of time. SQL  is a language that is made to create and communicate with the database  that is through that language we can not only create our database  but further on we can operate the already developed database  in the way we want; most probably useful way. When we make a database  especially relational database   we made tables with related data in them. We can feel the need to add  data, delete data, update data and obviously access data from those  tables. SQL database .  gives you privileg...