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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 SchemaI 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

Answer»

Correct option is (b) DDL(Data Definition Langauge)

The best I can explain: Data Definition LANGUAGE is the language which PERFORMS all the operation in DEFINING STRUCTURE of relation.



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