Shulou(Shulou.com)05/31 Report--

It is believed that many inexperienced people don't know what to do about how to convert 64 to 10 in Oralce. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

1. Realization letter

Create Or Replace Function Sf_To_Deci (Str In Varchar2) Return Number As Digit Number (32) Begin Select Sum (Data) Into Digit From (Select (Case When Ascii (Substr (Str, Rownum, 1)) = 43 Then 62 When Ascii (Substr (Str, Rownum) ) = 47 Then 63 When Ascii (Substr (Str, Rownum, 1)) Between 48 And 57 Then Ascii (Substr (Str, Rownum, 1)) + 4 When Ascii (Substr (Str) Rownum, 1) Between 65 And 90 Then Ascii (Substr (Str, Rownum, 1))-65 When Ascii (Substr (Str, Rownum, 1)) Between 97 And 122 Then Ascii (Substr (Str, Rownum) 1)-71 Else Null End) * Power (64, Length (Str)-Rownum) Data From Dual Connect By Rownum

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