oracle110个常用函数

1. ASCII 2. 返回与指定的字符对应的十进制数; 3. SQL> select ascii(A) A,ascii(a) a,ascii(0) zero,ascii( ) space from dual; 4. A A ZERO SPACE 5. --------- --------- --------- --------- 6. 65 97 48 32 7. 8. 2. CHR 9. 给出整数,返回对应的字符; 10. SQL> select chr(54740) zhao,chr(65) chr65 from dual; 11. ZH C ........