ORACLE函数大全 ________________________________________ 作者：[本站编辑] 来源：[CSDN] 浏览：[ ] 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 --------- --------- --------- ----
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3.CONCAT:连接两个字符串; SQL> select concat('010-','88888888')||'转23' 张三电话 from dual; 张三电话 ---------------- 010-88888888转23 4.INITCAP：返回字符串并将字符串的第一个字母变为大写; SQL> select initcap('smith') upp from dual; UPP ----- Smith 5.INSTR(C1,C2,I,J):在一个字符串中搜索指定的字符,
