Acar_Activity Task Module 3_INFMNGT LECTURE
Activity Task Module 3_INFMNGT LECTURE A. DATA DEFINITION LANGUAGE The Data Definition Language (DDL) is used to offer commands for specifying data. Relationship schemes, removing relations, and generating indices are just a few examples . It is used to create and modify the structure of objects in a database by interacting with database schema definitions. Unlike data manipulation language (DML) commands, which are used to modify data, DDL commands are used to change the database structure, such as establishing new tables or objects with all of their properties (data type, table name, etc.). B. INTERACRTIVE DATA MANIPULATION LANGUAGE A data manipulation language (DML) is a computer language family that includes commands that allow users to manipulate data in a database. Inserting data into database tables, accessing existing data, deleting data from existing tables, and changing existing data are all part of this manipulation. C. EMBEDDED DATA MANIPULATION LANGUAGE ...