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  1. SQL NOT EQUAL Operator - GeeksforGeeks

    Jul 23, 2025 · The SQL NOT EQUAL operator is a comparison operator used to check if two expressions are not equal to each other. It helps filter out records that match certain …

  2. Should I use != or <> for not equal in T-SQL? - Stack Overflow

    '<>' is from the SQL-92 standard and '!=' is a proprietary T-SQL operator. It's available in other databases as well, but since it isn't standard you have to take it on a case-by-case basis.

  3. SQL Operators - W3Schools

    Well organized and easy to understand Web building tutorials with lots of examples of how to use HTML, CSS, JavaScript, SQL, Python, PHP, Bootstrap, Java, XML and more.

  4. Difference Between != and <> for Not Equal in SQL - Baeldung

    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 …

  5. SQL NOT EQUAL Examples

    Dec 31, 2024 · Learn about writing TSQL statements using the not equal operator along with various examples of using not equals.

  6. Not Equal To) (Transact-SQL) - SQL Server | Microsoft Learn

    Nov 22, 2024 · Tests whether one expression is not equal to another expression (a comparison operator). If either or both operands are NULL, NULL is returned. Functions the same as the …

  7. SQL NOT EQUAL Operator: A Beginner's Guide - DataCamp

    Dec 10, 2024 · The SQL NOT EQUAL operator (<> or !=) filters data by excluding rows that match a specific condition. It is commonly used to retrieve data that does not meet the specified …

  8. MySQL not equal to operator - w3resource

    Jul 13, 2024 · Is there a best practice for using the MySQL "not equal to" operator? While both representations (<> and !=) are valid, it’s best to choose one and use it consistently throughout …

  9. SQL Not Equal To (!=) Operator for Beginners - Database.Guide

    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.

  10. SQL NOT EQUAL Operator (!= or ) - Tutorial Kart

    In SQL, the != or <> operators can be used interchangeably to represent “not equal to”. This operator is commonly used in the WHERE clause to exclude specific values from query …