examples.sql

-- INSERT
INSERT INTO tablename (column1, column2, column3)
VALUES 
('value1', 'value2', 'value3'),
('value4', 'value5', 'value6');

-- UPDATE
UPDATE tablename
SET 
column1 = 'value1'
column2 = 'value2'
WHERE 
field = 'value';

-- DELETE
DELETE FROM tablename
WHERE field = 'value';

-- SELECT
SELECT column1, column2
FROM tablename
WHERE field = 'value'
LIMIT 10;

-- AGGREGATE
SELECT column1, AVG(column2)
FROM tablename
GROUP BY
column1;

-- JOINS
SELECT t1.column1, t2.column2
FROM table1 t1
LEFT JOIN table2 t2 ON t1.column1 = t2.column1;