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1SQLÖеĵ¥¼Ç¼º¯Êý

21.ASCII

3·µ»ØÓëÖ¸¶¨µÄ×Ö·û¶ÔÓ¦µÄÊ®½øÖÆÊý;

4SQL> select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual;

5

6 A A ZERO SPACE

7--------- --------- --------- ---------

8 65 97 48 32

9

10