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What is Lesson 18A - SQL Database Operations about?
SQL database operations include Data Definition Language (DDL) for defining database structures, Data Manipulation Language (DML) for managing data, Data Control Language (DCL) for user permissions, and Transaction Control Language (TCL) for managing transactions. DDL commands like CREATE, ALTER, and DROP modify database objects, while DML commands such as INSERT, SELECT, UPDATE, and DELETE manage the data within those objects. DCL and TCL ensure proper access control and transaction management, respectivel
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