通过PL/SQL连接Oracle数据库有多种方式，本文选用最经典的一种：PL/SQL工具经由Oracle客户端与Oracle服务端（即数据库服务器 ...

So I was handed a VERY complex script simply to turn into a pipe delimited file. The problem is that I cant seem to trim anything that used substring. for example I have tried all of these with no ...

I have a column of data with values resembling this: HL7_Result_for_Message_ID_123Q324343.hl7 I need to grab that ID number (in bold), the challenge being that it can be any and all lengths. I have ...