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关于数据库码表查值的问题
zhangshaohan
·
Dec 11, 2019
· 2271 views
This topic created in 2370 days ago, the information mentioned may be changed or developed.
有个很大的码表,已知某个码值只有'00','01','02',找到这个码值对应的类别呢?
表结构大致如下
kind(类别) code(码值) detail(码值对应的描述)
码值
码表
类别
对应
1 replies
•
2019-12-20 11:08:44 +08:00
1
065535
Dec 20, 2019
查阅 distinct 函数
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