HAVING
Clause allows you to specify conditions to filter the grouped results that will appear in the final result.
The following is In a query, the HAVING clause must be placed after the GROUP BY clause and before the ORDER BY clause. The following is the syntax of the SELECT statement that contains the HAVING clause: Hypothetical The following is an example that displays all records with a name count less than 2: This will produce the following results: The following is an example that displays all records with a name count greater than 2: This will produce the following results:
WHERE
Clause sets the condition on the selected column, while the
HAVING
The clause is determined by the
GROUP
BY
Sets the condition on the grouping created by the clause. 1.25.1. Grammar ¶
HAVING
Clause in
SELECT
Location in the query:SELECT
FROM
WHERE
GROUP BY
HAVING
ORDER BY
SELECT column1, column2
FROM table1, table2
WHERE [ conditions ]
GROUP BY column1, column2
HAVING [ conditions ]
ORDER BY column1, column2
1.25.2. Example ¶
COMPANY
The table has the following records:ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
1 Paul 32 California 20000.0
2 Allen 25 Texas 15000.0
3 Teddy 23 Norway 20000.0
4 Mark 25 Rich-Mond 65000.0
5 David 27 Texas 85000.0
6 Kim 22 South-Hall 45000.0
7 James 24 Houston 10000.0
8 Paul 24 Houston 20000.0
9 James 44 Norway 5000.0
10 James 45 Texas 5000.0
sqlite > SELECT * FROM COMPANY GROUP BY name HAVING count(name) < 2;
ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
2 Allen 25 Texas 15000
5 David 27 Texas 85000
6 Kim 22 South-Hall 45000
4 Mark 25 Rich-Mond 65000
3 Teddy 23 Norway 20000
sqlite > SELECT * FROM COMPANY GROUP BY name HAVING count(name) > 2;
ID NAME AGE ADDRESS SALARY
---------- ---------- ---------- ---------- ----------
10 James 45 Texas 5000