What is not function in SQL?

Is not and != In SQL?

!= is a binary operator that returns true if its two arguments are not equal to each other. NOT is a unary operator, which reverses its argument, a Boolean expression.

Is <> and != The same in SQL?

Here is the answer – Technically there is no difference between != and <>. Both of them work the same way and there is absolutely no difference in terms of performance or result.

What is <> in SQL statement?

Not Equal To (Transact SQL) - traditional 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.

How write not query in SQL?

The NOT operator displays a record if the condition(s) is NOT TRUE.1AND Syntax. SELECT column1, column2, ... FROM table_name. WHERE condition1 AND condition2 AND condition3 ...;2OR Syntax. SELECT column1, column2, ... FROM table_name. ... 3NOT Syntax. SELECT column1, column2, ... FROM table_name.