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Data Manipulation Language (DML)

Explore the core Data Manipulation Language commands in SQL Server. Learn how to insert new data, update existing records carefully, and delete data using conditions to avoid errors. This lesson helps you gain practical skills for manipulating table data safely and effectively.

Data Manipulation Language (DML) is precisely what it sounds like; it manipulates the data. These statements are part of DML and allow us to modify existing data, create new data, or even delete it.

Note: DML is not specific to objects like modifying a table’s structure or a database’s settings but works with the data in the tables.

The three data manipulation statements are:

  • INSERT
  • UPDATE
  • DELETE

The following sections ...