T-SQL 子字符串 - 分隔名字和姓氏 [英] T-SQL substring - separating first and last name

问题描述

我有一个列，其中包含 FirstName 和 LastName.我正在写一份报告来区分 FirstName 和 LastName.如何在 T-SQL 中将名字和姓氏分开?

I have a column which has FirstName and LastName together. I'm writing a report to separate the FirstName And LastName. How do I get the FirstName and LastName separated in T-SQL?

推荐答案

假设 FirstName 是直到第一个空格的所有字符:

Assuming the FirstName is all of the characters up to the first space:

SELECT
  SUBSTRING(username, 1, CHARINDEX(' ', username) - 1) AS FirstName,
  SUBSTRING(username, CHARINDEX(' ', username) + 1, LEN(username)) AS LastName
FROM
  whereever

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