Question

c++中写一条SQL语句，select * from * where *=变量，怎么样实现？

能说的具体一点吗？

Answer 1

string sql="insert into user...";
SqlCommand cmd=new SqlCommand(sql,conn);
cmd.ExecuteNonQuery();
大概用这样的语句，自己多试试就行了

Answer 2

String b = "abcd";
String sql = "select * from table where id = '" + b + "'"

Answer 3

拼接字符串