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*IS STANDS FOR INFORMATION SYSTEM*
*DATA DEFINITION LANGUAGE*
*DDL IS USED TO CHANGE AND REMOVE DATA STRUCTURE FROM TABLES*
*SQL: STATEMENT ARE BASICALLY DIVIDED INTO FOUR*
*ENTITIES ARE CONCEPTS*
*NO*(EXPERT SYSTEM)
*WE USE SQL TO ACCESS AND....*
*SQL STATEMENTS ARE NOT CASE SENSITIVE*
*MIS: MANAGEMENT INFORMATION SYSTEM*
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