Sunday 12 August 2012

What is DML?


DML Stands for... Data Manipulation Language
  • DML is a language of SQL, It will be supported by RDBMS System
  • DML is helps to manipulate the data into relational database
  • DML modify the stored data (not the structure of DB object) in the database
  • DML is purely handling the data in the database in different ways like loading/removing/modifying the data in the database
Following SQL commands are part of DML
SELECT
SELECT ... INTO (It is exists in DDL & DML)
INSERT INTO
UPDATE
DELETE
TRUNCATE
Data manipulation languages are mainly classified as 2 type, procedural programming and declarative programming.

Procedural Programming : Collection of SQL Statements
Declarative Programming: The individual SQL statements are declarative

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