Dec 6, 2024 · NOT EQUAL Operator in SQL is used to compare two values and return if they are not equal. This operator returns boolean values. If given expressions are equal, the operator returns false otherwise true. If any one expression is NULL, it will return NULL.

Jun 6, 2019 · We use SQL Not Equal comparison operator (<>) to compare two expressions. For example, 10<>11 comparison operation uses SQL Not Equal operator (<>) between two expressions 10 and 11. We can use both SQL Not Equal operators <> and != to do inequality test between two expressions. Both operators give the same output.

Dec 31, 2024 · The SQL Server not equal operators are used to test that one value, often a column, does not match the value of another. These operators can also be used in T-SQL code as a part of WHILE loops , IF statements, HAVING clauses, join predicates , SQL GROUP BY or CASE statements .

Jul 31, 2023 · Learn about different ways to write SQL code to perform not equals when comparing data so you can return the correct results.

Nov 22, 2024 · Using <> in a simple query. The following example returns all rows in the Production.ProductCategory table that do not have value in ProductCategoryID that is equal to the value 3 or the value 2. WHERE ProductCategoryID <> 3 AND ProductCategoryID <> 2; . Here's the result set. Was this page helpful?

Jul 13, 2024 · The "not equal to" operator allows you to exclude specific values from your query results, enabling more targeted data retrieval. Syntax: The "not equal to" operator can be represented in two ways in MySQL: Both can be used interchangeably in most cases, but it's good practice to stick to one for consistency. MySQL Version: 8.0.

Oct 14, 2024 · The SQL not equal operator is generally used in queries to filter out records that do not match a specific criterion. This helps you exclude records from the results set that do not match one or more conditions.

Dec 2, 2020 · In SQL, the not equal to operator (!=) compares the non-equality of two expressions. That is, it tests whether one expression is not equal to another expression. If either or both operands are NULL , NULL is returned.

Feb 26, 2025 · The SQL NOT EQUAL TO operator (<> or !=) filters out specific values in queries, helping users refine data selection. Learn how it works, when to use it, and how it interacts with NULL values in SQL databases.

What is the SQL Not Equals To Operator? The SQL "Not Equals To" operator, denoted as "<>", "!=", or "NOT =", is used to compare values in a database table and retrieve rows where a specific column's value does not match a given criteria.