Functions¶
Supported Functions¶
Expression | Example |
|---|---|
IN | SELECT * FROM Products WHERE vendor_id IN ( 'V000001', 'V000010' ) ORDER BY product_price |
NOT IN | SELECT product_id, product_name FROM Products WHERE vendor_id NOT IN ('V000001', 'V000002') ORDER BY product_id |
BETWEEN | SELECT id, product_id, product_name, product_price FROM Products WHERE id BETWEEN 000005 AND 000034 ORDER BY id |
NOT...BETWEEN | SELECT product_id, product_name FROM Products WHERE NOT vendor_id BETWEEN 'V000002' and 'V000005' ORDER BY product_id |
IS NULL | SELECT product_name FROM Products WHERE product_price IS NULL |
IS NOT NULL | SELECT id, product_name FROM Products WHERE product_price IS NOT NULL ORDER BY id |
AND | SELECT * FROM Products WHERE vendor_id = 'V000001' AND product_price <= 4000 ORDER BY product_price |
OR | SELECT * FROM Products WHERE vendor_id = 'V000001' OR vendor_id = 'V000009' |
NOT | SELECT product_id, product_name FROM Products WHERE NOT vendor_id = 'V000002' |
LIKE | SELECT * FROM Products WHERE product_name LIKE 'NAME%' ORDER BY product_name |
NOT LIKE | SELECT * FROM Products WHERE product_name NOT LIKE 'NAME%' ORDER BY product_name |
CONCAT | SELECT product_id, product_name, CONCAT( product_id , '(', product_name ,')' ) AS product_test FROM Products ORDER BY product_id |
| SELECT 3 * 2+5-100/50 |
| SELECT 3 * 2+5-100/50 |
* | SELECT order_num, product_id, quantity, item_price, quantity*item_price AS expanded_price FROM OrderItems WHERE order_num BETWEEN 000009 AND 000028 ORDER BY order_num |
/ | SELECT 3 * 2+5-100/50 |
UPPER | SELECT id, product_id, UPPER(product_name) FROM Products WHERE id > 10 ORDER BY product_id |
LOWER | SELECT id, product_id, LOWER(product_name) FROM Products WHERE id <= 10 ORDER BY product_id |
SOUNDEX | SELECT * FROM Vendors WHERE SOUNDEX(vendor_name) = SOUNDEX('test') ORDER BY vendor_name |
IFNULL | SELECT IFNULL(product_id, 0) FROM Products; |
Expression | Example |
|---|---|
DAY() | SELECT * FROM TAB_DATE WHERE DAY(date)=21 SELECT * FROM TAB_DATE WHERE date='2018-12-21' INSERT INTO TAB_DATE(id,date) VALUES(1,'2018-05-22') |
MONTH() | SELECT * FROM TAB_DATE WHERE MONTH(date)=12 SELECT * FROM TAB_DATE WHERE date='2018-12-21' INSERT INTO TAB_DATE(id,date) VALUES(1,'2018-05-22') |
YEAR() | SELECT * FROM TAB_DATE WHERE YEAR(date)=2018 SELECT * FROM TAB_DATE WHERE date='2018-12-21' INSERT INTO TAB_DATE(id,date) VALUES(1,'2018-05-22') |
Expression | Example |
|---|---|
SQRT() | SELECT id, product_price, SQRT(product_price) AS price_sqrt FROM Products WHERE product_price < 4000 ORDER BY product_price |
AVG() | SELECT AVG(product_price) AS avg_product FROM Products |
COUNT() | SELECT COUNT( |
MAX() | SELECT id, product_id, product_name, MAX(product_price) AS max_price FROM Products ORDER BY id |
MIN() | SELECT id, product_id, product_name, MIN(product_price) AS min_price FROM Products ORDER BY id |
SUM() | SELECT SUM(product_price) AS sum_product FROM Products |
Unsupported Functions¶
Item | Restriction |
|---|---|
ROW_COUNT() | Function ROW_COUNT() is not supported. |