SQL COUNT() function is used to get the count of the numbeer of records in the database table.
Count() can be used to count values in a specific column. It gives the count excluding the NULL values.
SQL COUNT() Syntax
SELECT COUNT(column_name)
FROM table_name
Below is shown the "Authors" table:
| White |
Michael |
22 Cleveland Av. #24 |
Berkeley |
| Hunter |
Sheryl |
NULL |
Salt Lake City |
| Smith |
Charlene |
NULL |
San Francisco |
| Jhonson |
Fernandis |
2286 Cram Pl. #81 |
NULL |
| Robert |
Paul |
1976 Arlington Pl. |
NULL |
SQL COUNT() Example
Type or Copy the SQL into the Text Editor, click the "View Result" button, to see the result.
To get the total count of records in the Authors table.
Select COUNT(*) as CountOfAuthors from Authors;
Note: It retrieves a count of 5 records.
To get the count of the City column in the Authors table.
Select Count(City) as CountOfCity from Authors;
Note: It retrieves a count of 3 records since there are two NULL values present in the City column.
SQL in Text Editor: