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Which SQL command is used to make permanent changes to data in a database? ans. TCL DCL DDL DML

Question

Which SQL command is used to make permanent changes to data in a database? ans. TCL

DCL

DDL

DML

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Solution

The SQL command used to make permanent changes to data in a database is DML (Data Manipulation Language). This includes commands like UPDATE, INSERT, and DELETE.

Here's a step-by-step explanation:

  1. DML stands for Data Manipulation Language. It is used for accessing and manipulating data in a database.

  2. DML commands include SELECT, INSERT, UPDATE, and DELETE.

  3. For example, if you want to update data in a database, you would use the UPDATE command. If you want to insert new data into a database, you would use the INSERT command.

  4. Once you execute a DML command, the changes made by these commands are permanent and saved to the database.

  5. Therefore, the answer to your question is DML.

Note: While DML commands can make permanent changes, it's important to note that the changes can be rolled back if the transaction is not committed. The TCL (Transaction Control Language) commands like COMMIT are used to make the changes permanent.

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