Mysql operator MINUS
From w3cyberlearnings
Contents |
MySQL MINUS operator Function
Returns first number minus the second number
Syntax MINUS operator
N1-N2
Example 1
mysql> SELECT 50-40; +-------+ | 50-40 | +-------+ | 10 | +-------+ 1 row in set (0.00 sec)
Example 2
mysql> SELECT * FROM totalearn;
+----+------------+-------------+
| id | total_hour | hourly_rate |
+----+------------+-------------+
| 1 | 30 | 50 |
| 2 | 40 | 50 |
| 3 | 30 | 80 |
| 4 | 34 | 90 |
+----+------------+-------------+
4 rows in set (0.00 sec)
mysql> SELECT id,total_hour,
-> hourly_rate-10 as reduce_rate
-> FROM totalearn;
+----+------------+-------------+
| id | total_hour | reduce_rate |
+----+------------+-------------+
| 1 | 30 | 40 |
| 2 | 40 | 40 |
| 3 | 30 | 70 |
| 4 | 34 | 80 |
+----+------------+-------------+
4 rows in set (0.00 sec)
Related Links
| # | Function | Description |
|---|---|---|
| 1 | DIV | Integer division |
| 2 | / | Division operator |
| 3 | - | Minus operator |
| 4 | % or MOD | Modulo operator |
| 5 | + | Addition operator |
| 6 | * | Multiplication operator |
| 7 | - | Change the sign of the argument |
