SQL中的单记录函数1.ASCII返回与指定的字符对应的十进制数;SQL> select ascii('A') A,ascii('a') a,ascii('0') zero,ascii(' ') space from dual; A A ZERO SPACE--------- --------- --------- --------- ... Read More
posted @ 2006-10-13 17:16 blueKnight Views(545) Comments(1) Diggs(0) Edit