Answer the following questions in a cohesive and comprehensive essay.What is the difference between the “DELETE” and “TRUNCATE” commands?What is the difference between the “WHERE” clause and the “HAVING” clause?What is the difference between “Primary Key” and “Unique Key”?Click the link above to submit your completed assignment.Requirements:A minimum of 350 words.Use APA format.Times New Roman 12pt font,double spaced with 1 margins.