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 …

Jan 6, 2026 · The SQL UPDATE statement is used to modify existing records in a table. It allows you to change one or more column values for specific rows using the WHERE clause.

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.

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 …

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.

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.

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 …

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.

Note that the WHERE clause is optional, but you should use it to update the specific record. An UPDATE statement without the WHERE clause will update values in all the rows of the table.