SQL Count Function
The COUNT function returns the number of items in a group. COUNT function returns an int data type value.
SQL COUNT syntax
SELECT COUNT(*)
FROM table_name;
Training_Course
| ID | NAME | DURATION | PRICE |
|---|---|---|---|
| 1 | SQL | 5 | 200 |
| 2 | T-SQL | 7 | 700 |
| 3 | MySQL | 5 | 600 |
| 4 | PL/SQL | 7 | 800 |
| 5 | PostgreSQL | 6 | 500 |
Example
select COUNT(*) from Training_Course where PRICE > 500;
Results
3