题目描述 查找员工编号emp_no为10001其自入职以来的薪水salary涨幅值growthCREATE TABLE `salaries` (`emp_no` int(11) NOT NULL,`salary` int(11) NOT NULL,`from_date` date NOT NULL,`to_date` date NOT NULL,PRIMARY KEY (`emp_no`,`from_date`)); 输入描述: 无 输出描述: growth 28841 SQL: select…
SELECT g.goods_id, g.bn,g.name,b.brand_name,g.price,g.mktprice,c.cat_name into outfile '/tmp/xxx.xls' from sdb_b2c_goods as g LEFT JOIN sdb_b2c_goods_cat as c ON g.cat_id=c.cat_id LEFT JOIN sdb_b2c_brand as b ON g.brand_id = b.brand_id where length(g…
total_worker_time AS [总消耗CPU 时间(ms)], execution_count [运行次数], qs.total_worker_time AS [平均消耗CPU 时间(ms)], last_execution_time AS [最后一次执行时间], min_worker_time AS [最小执行时间(ms)], max_worker_time AS [最大执行时间(ms)], , ( THEN DATALENGTH(qt.text) ) AS [使用CPU的语法],…
package althorgrim;/** * 1.必须采用顺序存储结果 * 2.关键字必须有序 * @author hanrk-2734 * */public class TestBinarySearch { public static int binarySearch(int a[],int goal){ int high=a.length-1; int low=0; while (low<=high) { int middle=(low+high)/2; if (a[middle]==g…
1,查找算法 常用的查找算法包括顺序查找,二分查找和哈希查找. 1.1 顺序查找(Sequential search) 顺序查找: 依次遍历列表中每一个元素,查看是否为目标元素.python实现代码如下: #无序列表 def sequentialSearch(alist,item): found = False pos=0 while not found and pos<len(alist): if alist[pos]==item: found=True else: pos = pos+1 r…