30天以内:select count(*) from TB where datediff(day,字段名,getdate()) between 0 and 3030-60天:select count(*) from TB where datediff(day,字段名,getdate()) between 30 and 6060-90天:select count(*) from TB where datediff(day,字段名,getdate()) between 60 and 9090天以外:
package com.swift.kuozhan; import java.io.File; import java.io.FileFilter; /*使用文件过滤器筛选将指定文件夹下的小于200K的小文件获取并打印(包括所有子文件夹的文件).*/ public class kuaozhan1 { public static void main(String[] args) { File dir = new File("c:/"); if(!dir.exists()) { throw
有 字段A 和B比如数据如下A B1 21 31 4 2 22 3 统计出的sql结果: A count 1 3 2 2 select a,count(b) from t group by a;--或count(b) over (partition by a) 如统计一级会计科目数量的sql: select fo,count(dispname)from( select substr(subjcode,1,4) fo,bd_accsubj.dispname, bd_accs
1.在includes/lib_goods.php文件末尾加入以下代码 function get_buy_sum($goods_id) { $sql = "select sum(goods_number) from " . $GLOBALS['ecs']->table('order_goods') . " AS g ,".$GLOBALS['ecs']->table('order_info') . " AS o WHERE o.order_id