How to change column name in sql

In SQL, modifying existing records and altering table structures are fundamental operations that allow us to update data and adjust the database schema.

The command is used to change the values of existing records in a table, enabling us to correct or update data as needed.

On the other hand, the command is used to modify the structure of a table itself, such as adding or removing columns and changing data types.

In this article, We will learn about How to Modify Existing Data in SQL by understanding various methods with examples and so on.

How to Modify Existing Data in SQL?

Modifying existing records in a table is a common requirement in SQL for ensuring data accuracy and consistency.

Both commands play a crucial role in maintaining and updating data in a relational database. Let’s take a deeper look at each command and how they work with practical examples. To achieve this, we use two primary commands:

1. UPDATE Command: This is used to modify the values of existing record
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