Introduction to SQL

Ques1:- What do you mean by SQL? Discuss Ques2:- Discuss the various characteristics of SQL. Ques3:- What SQL can do? Discuss in detail. Ques4:- What are the advantages of SQL? Ques5:- Discuss how SQL is useful in handling the database over the conventional system . Ques6:- Explain the use, purpose and importance of SQL