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.
|>=||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 .