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最新文章列表
Oracle+110个常用函数
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 --------- --------- --------- --------- 65 97 48 32
2. CHR 给出整数,返回对应的字符; SQL> ...