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## What is comparison operator in SQL?

A comparison (or relational) operator is **a mathematical symbol which is used to compare two values**. Comparison operators are used in conditions that compares one expression with another. The result of a comparison can be TRUE, FALSE, or UNKNOWN (an operator that has one or two NULL expressions returns UNKNOWN).

## What does >= mean in SQL?

>= **(Greater Than or Equal To)** (Transact-SQL) – SQL Server | Microsoft Docs.

## What is == in SQL?

**Performs a comparison to determine if two expressions are equal**.

## How do you write not less than in SQL?

**<** (Not Less Than) (Transact-SQL)

## How do you write less than or equal to in SQL query?

**<**= (Less Than or Equal To) (Transact-SQL)

## What is the use of <> in SQL?

**Compares two expressions** (a comparison operator). When you compare nonnull expressions, the result is TRUE if the left operand is not equal to the right operand; otherwise, the result is FALSE. If either or both operands are NULL, see the topic SET ANSI_NULLS (Transact-SQL).

## How do you do not in SQL?

Overview. The SQL Server NOT IN operator is used **to replace a group of arguments using** the <> (or !=) operator that are combined with an AND. It can make code easier to read and understand for SELECT, UPDATE or DELETE SQL commands.

## How do I write not greater than in MySQL?

This MySQL tutorial explores all of the comparison operators used to test for equality and inequality, as well as the more advanced operators.

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Description.

Comparison Operator | Description |
---|---|

<> | Not Equal |

!= | Not Equal |

> | Greater Than |

>= | Greater Than or Equal |

## How do you write not equal to null in SQL query?

In SQL null is not equal **( = )** to anything—not even to another null . According to the three-valued logic of SQL, the result of null = null is not true but unknown. SQL has the is [not] null predicate to test if a particular value is null .