摘要： create or replace package hierarchy is type strtabletype is table of varchar2(4000) index by binary_integer; strtable strtabletype; type numtabletype is table of number index by binary_integer; ... 阅读全文

摘要： 下面是文档中的话 The following statement translates a license number. All letters 'ABC...Z' are translated to 'X' and all digits '012 . . . 9' are translated to '9': SELECT TRANSLATE('2KRW229', '01234567... 阅读全文