SQL - ASCII
SQL -> Funkcie -> Funkcie pre prácu s reťazcami -> ASCII
Syntax
ASCII(text)
Popis
Príkaz jazyka SQL
Funkcia vracia ASCII hodnotu prvého znaku v texte.
Ak je vstupní hodnota NULL, vracia NULL.
Príklad
SELECT ASCII('dax') FROM dual;
-> 100
SELECT ASCII('řč') FROM dual;
-> 248
SELECT ASCII('43') FROM dual;
-> 52
SELECT ASCII(43) FROM dual;
-> 52
SELECT ASCII(NULL) FROM dual;
-> NULL
-> 100
SELECT ASCII('řč') FROM dual;
-> 248
SELECT ASCII('43') FROM dual;
-> 52
SELECT ASCII(43) FROM dual;
-> 52
SELECT ASCII(NULL) FROM dual;
-> NULL
Martin Kasman, M Software
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Email: martin@kasman.sk
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