Which one of the following is used to define the structure of the relation, deleting relations and relating schemas?
(a) DML(Data Manipulation Langauge)
(b) DDL(Data Definition Langauge)
(c) Query
(d) Relational Schema
I had been asked this question by my school teacher while I was bunking the class.
The doubt is from SQL Basics and SQL Data Definition topic in section SQL : Queries, Constraints and Triggers of Database Management