Data Manipulation Language (DML) Language for accessing and manipulating the data organized by the appropriate data model DML also known as query language Two classes of languages Procedural-user specifies what data is required and how to get those data Declarative (nonprocedural)-user specifies what data is required without specifying how to get those data SQL is the most widely used query language Database System Concepts-5th Edition,May 23,2005 1.10 @Silberschatz,Korth and SudarshanDatabase System Concepts - 5 1.10 ©Silberschatz, Korth and Sudarshan th Edition, May 23, 2005 Data Manipulation Language (DML) Language for accessing and manipulating the data organized by the appropriate data model DML also known as query language Two classes of languages Procedural – user specifies what data is required and how to get those data Declarative (nonprocedural) – user specifies what data is required without specifying how to get those data SQL is the most widely used query language