在ac#程序中有2个WHERE Query

Question

嗨,我有这个查询,它必须查看不同的行,因为它可以检索信息,当我做这个搜索

"SELECT * FROM houses WHERE Sold = No AND WHERE Type = A" 

我收到此错误消息

"查询表达式中的语法错误(缺少运算符)'已售出=否和WHERE类型= A'."

Answer 1

SELECT * FROM houses WHERE Sold = No AND Type = A

你不需要重复'where'部分,但只需使用AND/OR