Obtain the earliest and last days of a month. In the datetime class of C #, ready-made functions are provided. The following two simple functions are used:
Private datetimeGetfirstdayofmonth(INT year, int month){// Have you ever seen a month starting from 1st? No// Then, return it directly to the caller!// A good programming habit is yoursCodeEasy to understa
Mysql query today, yesterday, last 7 days, last 30 days, this month, last month data, mysql January
Recently, the data record query function for the current month was used in the project. The original idea was to construct a period of time in the logical business for query. It was quite troublesome to write SQL statements. So I searched the internet to see if the
-- Method 2: script ReplicationUse masterGo
If exists (select * From DBO. sysobjects where id = object_id (n' [DBO]. [sp_proccopydb] ') and objectproperty (ID, n' isprocedure') = 1)Drop procedure [DBO]. [sp_proccopydb]Go
/* -- Automatic Database Replication
Copy the database with the specified leading edge to a database with the name of the database with the current month + 1 and clear all data.For example, the Database Front is POs, and the current d
How can I get the timestamp of this week, last week, this month, last month, and end? how can I get the timestamp of this week, last week, this month, last month, start and end?
Reply to discussion (solution)
Echo date ("Ymd", strtotime ("now"), "\ n ";Echo date ("Ymd", strtotime ("-1 week Monday"), "\ n ";Echo da
Query current data for this week
SELECT name,submittime from Enterprise WHERE yearweek (Date_format (submittime, '%y-%m-%d ')) = Yearweek (now ());
query last week's dataSELECT name,submittime from Enterprise WHERE yearweek (Date_format (submittime, '%y-%m-%d ')) = Yearweek (now ())-1;
querying data for the current monthSelect Name,submittime from Enterprise where Date_format (Submittime, '%y-%m ') =date_format (now (), '%y-%m ')
query data from current 6 months
Select Name,submittime fr
","Saturday" }; Day[convert.toint16 (DateTime.Now.DayOfWeek)]; //last week, the same thing, a week is 7 days, last week is this week minus 7 days, and next week is the sameDateTime.Now.AddDays (Convert.todouble (0-Convert.ToInt16 (DateTime.Now.DayOfWeek))-7). ToShortDateString (); DateTime.Now.AddDays (convert.todouble (6-Convert.ToInt16 (DateTime.Now.DayOfWeek))-7). ToShortDateString (); //next weekDateTime.Now.AddDays (Convert.todouble (0-Convert.ToInt16 (DateTime.Now.DayOfWeek)) +7).
Adding manpower to projects with low progress will only make the progress more backward. -Brooks Law
Revelation of man-month
Progress is one of the most important issues in IT project management. In chapter 2, the mythical man-month begins to talk about progress. The feasibility and controllability of the Progress come from the scientific nature of the project plan. The accuracy of the Project Plan's pr
Introduction: This is a PHP detailed page showing the start and end timestamps of today, this month, last month, and this year. It introduces the knowledge, skills, and experience related to PhP, and some PHP source code.
Class = 'pingjiaf' frameborder = '0' src = 'HTTP: // biancheng.dnbc?info/pingjia.php? Id = 336637 'rolling = 'no'>PHP displays the start and end timestamps of today, this
The last Sunday deadline for the date of month and year may cross the moon across the years
function Getclearweek () {
$year _month_day_over = Array ();
$year = Date (' Y '); Four-bit year
$month = Date (' n '); 1 to 12
$day _of_month = Date (' j ');//1-The day of 3 January
$day _of_week = Date (' N '); Day 1-7 of the week
$day _of_year = date (' z ') +1; The first day of
Mysql query data for this week, last week, this month, and last month SELECT name, submittime FROM enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = YEARWEEK (now (); query the SELECT name, submittime FROM enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = YEARWEEK (now ()-1; query the data of the current month select name, su
Label:Http://www.jb51.net/article/32277.htm MySQL query a lot of ways, the following for you to introduce the MySQL query is to query this week, last week, this month, the last month's data, if you are interested in MySQL query, may wish to see/ * Today * / select * FROM table name where To_days (Time field) = To_days (now ()); /* Yesterday */ select * FROM table name where To_days (now ())-to_days (Time field) = 1; /* Nearly 7 days */ selec
Use php to get the code for the date of this week, last week, this month, last month, and this quarter.
The code is as follows:
Echo date ("Ymd", strtotime ("now"), "\ n ";
Echo date ("Ymd", strtotime ("-1 week Monday"), "\ n ";
Echo date ("Ymd", strtotime ("-1 week Sunday"), "\ n ";
Echo date ("Ymd", strtotime ("+ 0 week Monday"), "\ n ";
Echo date ("Ymd", strtotime ("+ 0 week Sunday"), "\ n ";
// Date
Oracle get the end of the year, the end of the month, the end of the quarter, the end of the oracle month
1 -- early year, end 2 select trunc (sysdate, 'yyyy') from dual; 3 select add_months (trunc (sysdate, 'yyyy'), 12)-1 from dual; 4 5 -- early month, end 6 select trunc (sysdate, 'month') from dual; 7 select add_mon
Original http://blog.csdn.net/summer_dream_journey/article/details/8998338
The project is used, so it is fully written for reference.
[Csharp]View plaincopyprint?
DateTime dt = DateTime. Now;
Int weeknow = Convert. ToInt32 (DateTime. Now. DayOfWeek );
Int dayspan = (-1) * weeknow + 1;
DateTime dt2 = dt. AddMonths (1 );
// Obtain the first day of the week
This. Label1.Text = DateTime. Now. AddDays (dayspan). ToString ("yyyy-MM-dd ");
// The first day of the
Query records of the current day
Select * From hb_article_view where to_days (hb_addtime) = to_days (now ())
Query data for the current weekSelect name, submittime from enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = yearweek (now ());
Query last week's dataSelect name, submittime from enterprise where yearweek (date_format (submittime, '% Y-% m-% D') = yearweek (now ()-1;
Query data of the current monthSelect name, submittime from enterprise where date_format (submittime, '
Calculate the last day of a month and the last day of a month.
Method:
Public static DateTime GetLastDayofMonth (int year, int month) {int days = DateTime. daysInMonth (year, month); DateTime datetime = new DateTime (year, month, 1); return datetime. addDays (days-1 );}
C
This SQL statement can be used to query data related to the birthdays of this week, this month, next week, and next month.
// This SQL statement can be used to query data related to this week, this month, next week, and next month's birthday.
SQL statement statistics for this week, this month, next week, and next
Mysql query today, yesterday, last 7 days, last 30 days, this month, the data method of the last month said there is an article table article, storing the time for adding an article to the article is the add_time field, this field is of the int (5) type. to query the total number of articles added today and sort by time, the query statement is as follows :? 1select * from 'Article' wher
Mysql query today, y
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