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02 2023 档案

update set and 扫盲2
摘要：`update xxxx_tab set if_internet = 2 and netposition = 1 where job= 'xxxxx' and name= 'xxxx';` 2 and netposition = 1 , and 是与运算，先判断netposition = 1 在数据 阅读全文
posted @ 2023-02-01 10:51 阿呆学习之路 阅读(45) 评论(0) 推荐(0)