Download the PDF version of the tutorial for offline reading and reference create table r (A1 D1, A2 D2,, An Dn, (integrity-constraint1),, (integrity-constraintk)) r is the name of the relation. SQL, is a standardized computer language that was originally developed by IBM for querying, SQL was initially created to be the language for generating, manipulating, and retrieving data from relational databases, which have been around for more thanyears. In this chapter, we will learn how to create a