DDL and DML

DDL (Data Definition Language): DDL is a set of commands used to define the database structure or schema. It deals with descriptions of the database schema and is used to create and modify the structure of database objects like tables, indexes, and constraints. Key commands in DDL include:

1. CREATE: This command is used to create new databases, tables, views, or other objects within the database.

2. ALTER: ALTER command is used to modify an existing database object, _______ _______ _________ _____ _________ ______ ________.
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