1.where 条件 1.and && or || Not ! where Nnot Id='001'; 2. is NULL > id is null is null ' '; is not NULL > id is not null between and > id between a and ...
分类:
数据库 时间:
2020-02-13 12:42:51
阅读次数:
67
Given two numbers, hour and minutes. Return the smaller angle (in sexagesimal units) formed between the hour and the minute hand. Example 1: Input: ho ...
分类:
其他好文 时间:
2020-02-13 09:30:42
阅读次数:
57
问题描述 通过Example实现如下SQL语句功能 SELECT T.* FROM DAA_ORGINFO T WHERE T.DAA_ZTNO='参数' AND T.ID = '参数' OR T.DAA_ID_SJ='参数' 因为Example‘没有直接写or的方法,所以需要通过and来构造改SQ ...
分类:
数据库 时间:
2020-02-12 12:57:49
阅读次数:
308
1.mybaatis-config.xml配置 <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE configuration PUBLIC "-//mybatis.org//DTD Config 3.0//EN" "http://mybatis.org ...
分类:
其他好文 时间:
2020-02-12 12:39:43
阅读次数:
87
#使用between and 查询员工编号在100-120之间的员工信息select * from employees where employee_id BETWEEN 100 and 120; #查询没有奖金的员工select * from employees where commission_ ...
分类:
数据库 时间:
2020-02-12 10:45:27
阅读次数:
79
java8有很多时间上的新api,在操作时间的时候很好用,这儿算是个备忘录吧,(补充中。。。) 定位某个时间:of方法 LocalDateTime dateTime = LocalDateTime.of(2020, 2, 11, 13, 15, 12); LocalDate date = Local ...
分类:
编程语言 时间:
2020-02-11 19:22:27
阅读次数:
84
linux手册介绍sendfile函数: NAME sendfile - transfer data between file descriptors SYNOPSIS #include <sys/sendfile.h> ssize_t sendfile(int out_fd, int in_fd, ...
分类:
系统相关 时间:
2020-02-11 14:25:35
阅读次数:
96
What makes trading between rich countires difficult? Chickens slautered in the United States, claim officials in Brussels, are not fit to grace Europe ...
分类:
其他好文 时间:
2020-02-11 13:16:34
阅读次数:
97
可以将简单的单表查询语句转换成Mongo过滤条件 列: 1、 SELECT score,person as name FROM demo WHERE person like '%z' and score between 80 and 100 db.demo.aggregate([ {"$match" ...
分类:
数据库 时间:
2020-02-10 17:57:51
阅读次数:
83
Heavy Transportation Time Limit: 3000MS Memory Limit: 30000K Total Submissions: 65250 Accepted: 16053 Description Background Hugo Heavy is happy. Afte ...
分类:
其他好文 时间:
2020-02-09 23:46:08
阅读次数:
98