仅当字符串的最后一个单词与字母匹配时才更新列 [英] How to update a column only when last word of string matches a letter

问题描述

当(HostCd)列的姓与字符串的最后一个单词匹配时，我想更新列(HostActvTyp和HostPrvTyp) 主机列"NXVR"的示例字符串，"REACTIVE"，所以最后一个单词是R，因此当N'为"NEW"时，我们必须更新为Reactive示例"XVDN" 在此处输入图片描述

I want to update columns(HostActvTyp and HostPrvTyp) when (HostCd) column last name is matching with last word of the string is "R" example string for host column "NXVR','REACTIVE', so the last word is R so we have to update to Reactive when it's N' to 'NEW' example "XVDN" enter image description here

推荐答案

https://www.db-fiddle.com/f/bG4jZfnWksjc315eGTuG2k/1

UPDATE tablename 
SET ActTyp = 'INDEPENDENT' 
WHERE 'I' = RIGHT(ActvTyp, 1)

或者是否有空格分隔符

UPDATE tablename 
SET ActTyp = 'INDEPENDENT' 
WHERE ' I' = RIGHT(ActvTyp, 2)

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