牧马人rubicon:select * from buy where id= 261
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是什么意思
SQL语法
BUY 是数据库的名字
ID是PRIMARY KEY
从叫BUY这个DATABASE选择所有(*)ID=261的ENTRY
从id是261(的东西)中选取
是不是在用Access中遇到的
select * from buy where id= 261
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