Nov 8, 2013 · nvl is not a SQL Server function. <> operator means not equal to in MS SQL. It compares two expressions (a comparison operator). When you compare nonnull expressions, the result is …

Jun 9, 2023 · Learn about the different types of SQL comparison operators like =, >, <, and more and how these can be used to narrow down query results.

Apr 8, 2025 · When writing SQL queries, we often need to filter out specific values by using a not equal condition. However, two different operators are available for this purpose: != and <>. In this tutorial, …

Oct 2, 2025 · The <> operator is the ANSI SQL standard for “not equal to.” This means it’s widely supported across different database systems, making it a safe and portable choice.

In SQL Server, we can use these comparison operators (=, <>, >, <, <=, and >=) inside the WHERE clause or HAVING clause to filter the data. It means the SELECT statement will only retrieve records …

In SQL, there are two ways to test for inequality in a query. You can use either the <> or != operator. Both will return the same results. Let's use the same suppliers table as the previous example. Enter …

Nov 18, 2025 · When SET ANSI_NULLS is OFF, the same rules apply, except for the equals (=) and not equals (<>) operators. When SET ANSI_NULLS is OFF, these operators treat NULL as a known …

Aug 12, 2025 · SQL Comparison Operators are used to compare two values and filter the result set based on a specific condition. Used in the WHERE clause to filter records based on conditions

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Dec 16, 2025 · Here's a quick reference guide to all of the different types of SQL operators, with examples that illustrate when and how to use them.