mysql converts the query result content - Code World

mysql converts the query result content

Enterprise 2023-08-08 22:00:22 views: null

Using CASE expression is multi-branch judgment.
insert image description here

SELECT id,
case when s.`name`='aa' then '男' 
WHEN s.name='bb' THEN '女' 
else null end 
from school  as s

insert image description here

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Origin blog.csdn.net/worilb/article/details/116155881

mysql converts the query result content

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