int zao(float x) {
    return x+0.5;
}

CREATE TABLE ksiazka (
 id INT UNSIGNED NOT NULL AUTO_INCREMENT PRIMARY KEY,
 tytul VARCHAR(200),
 autor SMALLINT UNSIGNED NOT NULL,
 CONSTRAINT `dane` FOREIGN KEY (autor) REFERENCES autorzy(id)
);

<table border="1">
 <tr><td rowspan="2">pierwszy</td><td>drugi</td></tr>
 <tr><td>trzeci</td></tr>
</table>

student:x:1001:100:Jan Kowalski:/home/student:/bin/bash

GRANT SELECT, INSERT ON baza1.mojaTabela TO 'Jacek'@'localhost';