-

Description

The - operator is used for subtraction.

Syntax

1. > SELECT value1-value2;

1. > SELECT column1-column2... FROM table_name;

Examples

1. mysql> select 1123.2333-1233.3331;
2. +-----------------------+
3. | 1123.2333 - 1233.3331 |
4. +-----------------------+
5. |   -110.09979999999996 |
6. +-----------------------+
7. 1 row in set (0.00 sec)

1. create table t2(c1 int, c2 int);
2. insert into t2 values (-3, 2);
3. insert into t2 values (1, 2);

5. mysql> select c1-5 from t2;
6. +--------+
7. | c1 - 5 |
8. +--------+
9. |     -8 |
10. |     -4 |
11. +--------+
12. 2 rows in set (0.00 sec)

14. mysql> select c1-c2 from t2;
15. +---------+
16. | c1 - c2 |
17. +---------+
18. |      -5 |
19. |      -1 |
20. +---------+
21. 2 rows in set (0.01 sec)