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mysql字符串链接与值设置_MySQL

时间:2021-07-01 10:21:17 帮助过:2人阅读

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mysql字符串链接与值设置

update `vip_guest` set invite_name =(

case when invite_name is null then NULL

case when invite_name is not null then CONCAT('0',invite_name)

else ""

)

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