INSERT INTO `zamestnanci` (`jmeno`, `prijmeni`, `narozeni`, `plat`)
VALUES ('Darwin', 'Nunez', '1999', '400000');

INSERT INTO zamestnanci (jmeno, prijmeni, narozeni, plat)
VALUES (Darwin, Nunez, 1999, 400000);

UPDATE zamestnanci SET plat = 200000 WHERE id = 6;

UPDATE zamestnanci SET plat = 1.1*plat;

UPDATE `zamestnanci` SET
`id` = '6',
`jmeno` = 'Dominik',
`prijmeni` = 'Zsobozslai',
`narozeni` = '1999',
`plat` = '400000'
WHERE `id` = '6';

DELETE FROM zamestnanci WHERE id = 6;