Eclipse 使用java连接数据库MySQL, ResultSet rs=stat.executeQuery(sql1) 虽然可以,sql1=SELECT*FROM hit可以,但是稍微复杂点用不了怎么办?比如
sql1=SELECT*FROM hit WHERE (POWER(MOD(ABS(X-113.964034),360),2)+POWER(ABS(Y-22.590436),2)) AS distance ORDER BY distance;
就是在sql语言中直接进行运算,cmd窗口或SQLexplorer都可以的,为什么嵌入java后不行,大神帮帮俺吧!!!
是不是数学函数不支持啊
MySQL, ResultSet rs=stat.executeQuery(“SELECT*FROM hit WHERE (POWER(MOD(ABS(X-113.964034),360),2)+POWER(ABS(Y-22.590436),2)) AS distance ORDER BY distance”
);执行有错误