Unary minus: - : Arithmetic Operators « Math Numeric Functions « MySQL Tutorial

MySQL Tutorial

1.	Introduction
2.	Select Query
3.	Database
4.	Table
5.	Table Join
6.	Subquery
7.	Insert Update Delete
8.	Logic Operator
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10.	Data Types
11.	Procedure Function
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15.	Comparison Functions Operators
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17.	Cast Functions Operators
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20.	Information Functions
21.	Math Numeric Functions
22.	Miscellaneous Functions
23.	String Functions
24.	Regular Expressions
25.	Data Dictionary
26.	MySQL Utilities
27.	Privilege

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MySQL Tutorial » Math Numeric Functions » Arithmetic Operators

21. 2. 4. Unary minus: -

This operator changes the sign of the argument.


mysql>

mysql> SELECT -2;

+----+

| -2 |

+----+

| -2 |

+----+

1 row in set (0.02 sec)



mysql>

21. 2. Arithmetic Operators
	21. 2. 1.	Addition: +
	21. 2. 2.	Subtraction: -
	21. 2. 3.	Using Arithmetic Operators in select statement
	21. 2. 4.	Unary minus: -
	21. 2. 5.	Multiplication: *
	21. 2. 6.	Division by zero produces a NULL result
	21. 2. 7.	Division: /

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