sql - Extract first and last names from nvarchar data

Question

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How can I parse the first, middle and last name from a full name field in SQL?

Say I have some nvarchar data 'Joe Blogs'...

I need to be able to query the data to extract the first and last names.

firstname
----------
Joe

lastname
----------
Blogs

What is the simplest way of doing this?

Answer 1

您需要创建一个 T-SQL 函数，该函数根据分隔符拆分字符串并返回标记（片段）。有一个可用的数字，例如这个：

T-SQL 拆分字符串