Learn about SQL Data Manipulation Language (DML) commands, including INSERT, SELECT, UPDATE, and DELETE, for efficient data management. If you want to take command of your data and gain real control over your databases, DML is a tool you can’t ignore. In simple terms, “Data Manipulation Language (DML)” is the component of SQL that lets you manage the data inside your tables. Learn what DML commands are and how to use them to access, change, and delete data in SQL tables. Compare DML commands with DDL and DQL commands and see examples of SELECT, INSERT, DELETE, and UPDATE. Two important subsets of SQL that every database professional should understand in Database Training are Data Definition Language (DDL) and Data Manipulation Language (DML). DDL commands focus on defining and modifying the structure of database objects like tables, indexes, and schemas.