Data Manipulation Language (DML)

When is DML used?

DML is used when data in a database needs to be modified, inserted, or deleted.

Where is DML applied?

DML, or Data Manipulation Language, is applied within a database management system (DBMS) to manipulate data stored in a database. This includes operations such as inserting new data, updating existing data, deleting data, and querying data to retrieve information from the database.

Who uses DML?

DML, or Data Manipulation Language, is primarily used by database administrators and developers to perform operations such as inserting, updating, deleting, and querying data in a database.

Why is DML important?

DML is important because it allows users to modify data in a database, which is necessary for maintaining accurate and up-to-date information. It also allows users to insert new data and delete unnecessary data.

How is DML performed?

DML is performed using SQL commands, including INSERT, UPDATE, and DELETE. These commands allow users to modify data in a database.

How many types of DML commands are there?

There are three types of DML commands:

• INSERT command is used to add new data to a database.
• UPDATE command is used to modify existing data in a database.
• DELETE command is used to remove data from a database.