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How to calculate the day of the week?Slowtiger published on 2009-11-19 08:42:00How to calculate the day of the week?--Caille (Zeller) formulaWhat is the day of the week in history? What day of the future is the week? With regard to this problem,

In MySQL database, you often encounter the content of the day of statistics.For example, in the user table, the Date field is: Log_timeStatistics DayThe SQL statement is:Select * from User where = curdate (); Curdate () indicates the date of the

William indicator -- w % R William's indicator w % R is also called William's oversold indicator. William's indicator for short is by Larry? William (Larry William), invented in 1973, is a short-term evaluation index commonly used in stock market

How do I calculate the day of the week? --Caille (Zeller) formulaWhat is the day of the week in history? What day of the week is the future? There are a number of computational formulae (two general calculation formulae and some piecewise

I. Annual ENQUIRY Enquiry data for the yearSELECT * fromblog_articleWHERE Year(From_unixtime (Blogcreatetime))= Year(Curdate ()) Second, query quarterly data query data with quarter numberSELECTArticleID, Quarter (from_unixtime (' Blogcreatetime ')

In-depth introduction to PHP date format: leap year, week, day. PHP itself is a simple and powerful language, and the PHP date format is quite common. so I studied the PHP date format and will share it with you here, I hope that PHP itself is a

By week  select Date_format (create_time, '%y%u ') weeks,count (Caseid) count from Tc_case Group by weeks;  Monthly   Select Date_format (create_time, '%y%m ') months,count (Caseid) count from Tc_case Group by months;   by day   Select Date_format

PHP itself is a simple and powerful language, and the PHP date format is quite common. So I studied the PHP date format and will share it with you here, I hope it will be useful to you. PHP has core features such as powerful string and array

!--query by day --SELECTDate_format (Created_date,'%y-%m-%d') asTimesum( Money) Money fromO_finance_detailwhereorg_id= + GROUP by Time!--Monthly Query --SELECTDate_format (Created_date,'%y-%m') asTimesum( Money) Money

There are three levels of products, taking efficiency tools as an example: The first one is to discover user needs, such as fleep, and keenly discover the key in team collaboration-chat, making sufficient remarks on this demand; Level 2: Anticipate