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    SQL UPDATE Statement – Syntax, Examples

    SQL UPDATE Statement

    The SQL statement is used to modify existing records in a table.

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  • Whether you want to change one row or multiple rows at once, the statement provides a way to alter data in your database dynamically.

    In this guide, we will cover the syntax, step-by-step explanations, and a range of examples to help you understand how to use statement effectively.


    Syntax of SQL UPDATE Statement

    The basic syntax of an SQL statement is as follows:

    Each part of the syntax has a specific purpose:

    • UPDATE: Specifies the table in which you want to modify data.
    • SET: Lists the columns to be updated with their new values.

      Multiple columns can be updated in one statement, separated by commas.

    • WHERE: Filters the rows to be updated. Without a clause, all rows in the table will be updated, which can be risky and should be used with caution.

    For safety, it’s best to always use a clause with unless you intend to update all rows in the table.


    Step-by-Step Examples with MySQL

    We’ll go through various examples demonstrating

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