DML

Adatfrissítés
UPDATE table_name
SET
column_name1 = expr1,
column_name2 = expr2,
...
[WHERE
condition];
Adattörlés
DELETE FROM table_name
WHERE condition;

UPDATE table_name
SET
column_name1 = expr1,
column_name2 = expr2,
...
[WHERE
condition];
DELETE FROM table_name
WHERE condition;