UPDATE Table The following SQL statement updates the first customer (CustomerID = 1) with a new contact person and a new city.

Aug 29, 2022 · In this article, we look at how to use the SQL UPDATE statement along with several examples and a way to not accidentally update the wrong data.

Feb 9, 2026 · The SQL UPDATE statement is used to modify existing data in a table by changing the values of one or more columns. The WHERE clause specifies which rows should be updated.

Aug 23, 2025 · The SQL UPDATE statement modifies existing records in a table, allowing updates to single or multiple columns and rows, using date-time functions, subqueries, or JOIN statements.

This SQL tutorial explains how to use the SQL UPDATE statement with syntax, examples and practice exercises. Notice that there are 3 ways to write a SQL UPDATE statement.

Examples in this section demonstrate how to use table and query hints to temporarily override the default behavior of the query optimizer when processing the UPDATE statement.

Nov 20, 2024 · Always include a WHERE clause to specify the records to be updated. Omitting the WHERE clause will result in updating all records in the table. Image: An illustration of a sample …

Example Here is an example of how to use the UPDATE statement to change the price of a product with an ID of 100: UPDATE products SET price = 10.99 WHERE product_id = 100; This statement will …

In SQL, the UPDATE statement is used to modify existing records in a database table. In this tutorial, we'll learn about the UPDATE Statement in SQL with examples.

Whether you want to change one row or multiple rows at once, the UPDATE statement provides a way to alter data in your database dynamically. In this guide, we will cover the syntax, step-by-step …