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 ...

在编写SQL语句时，常需按业务需求提取特定日期的数据。此时可利用substring()函数对日期进行截取，灵活获取年、月、日等部分信息，以满足查询条件。掌握该函数的用法，有助于高效处理时间字段 ...

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 ...