Note: Be careful when updating records in a table! Notice the WHERE clause in the UPDATE statement. The WHERE clause specifies which record (s) that should be updated. If you omit the WHERE …

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.

In this tutorial, you will learn how to use the SQL UPDATE statement to modify one or more rows in a table.

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.

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.

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.

Nov 15, 2025 · The UPDATE statement in SQL Server is essential for modifying data in tables. You learned how to update single rows, multiple rows, with conditions, with JOIN, with subqueries, and …

The SQL UPDATE statement is used to modify existing records in a table. It allows you to change the values of one or more columns in one or more rows of a table based on specified conditions.

The following series of examples helps you understand the SQL Server UPDATE statement on single/multiple columns and with/without a WHERE clause. Apart from that, how to use UPDATE in …

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.