1.select * from DataMart order by rubbish 2.while (rs.next()){ insert into DataStore } 3.int start = System.currentTimeMillis(); 4.select * from DataStore 5.while (rs.next()){ display one record; } 6.int end = System.currentTimeMillis(); 7.Count end-start;提取数据都是要一条一条读取的?你需要如何提高提取速度呢?
2.while (rs.next()){
insert into DataStore
}
3.int start = System.currentTimeMillis();
4.select * from DataStore
5.while (rs.next()){
display one record;
}
6.int end = System.currentTimeMillis();
7.Count end-start;提取数据都是要一条一条读取的?你需要如何提高提取速度呢?