|SQL - Structured Query Language|
An operator is a symbol specifying an action that is performed on one or more expressions. SQL Server operators can categories into Arithmetic Operators, Assignment Operator, String Concatenation Operator, Comparison Operators, Bitwise Operators, Unary Operators, Compound Operators, Scope Resolution Operator, Logical Operators and SET Operators.
Unary operators are used to execute only one numeric or integer data type expression.
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