Modifying Data

Insert one row into a table

INSERT INTO t(column_list)
VALUES(value_list);

Insert multiple rows into a table

INSERT INTO t(column_list)
VALUES (value_list),
(value_list), ….;

Insert rows from t2 into t1

INSERT INTO t1(column_list)
SELECT column_list
FROM t2;

Update values in the column c1, c2 that match
the condition

UPDATE t
SET c1 = new_value,
c2 = new_value
WHERE condition;

Delete all data in a table

DELETE FROM t;

Delete subset of rows in a table

DELETE FROM t
WHERE condition;