PS: After learning Regular Expressions for so long, I didn't make any decent patterns. I woke up early and came up with a whimsy, I made up my mind to prove that my regular expression is not white-so I chose the most common date match ......
001 New Year's Day, means that you last year's troubles all to finish Dan, New Year's Day, means that you wish all to complete, a New Year's Day happy, can not represent my heart, then I will say, New Year's Day happy, Happy New Year's Day!
002 You,
Select GETDATE() as 'Current Date', Datename( Year,GetDate()) as 'years', Datename(Month,GetDate()) as 'Month', Datename( Day,GetDate()) as 'Day', Datename(DW,GetDate()) as 'Week', Datename(Week,GetDate()) as 'Week number',
require‘.. /common.inc.php ';/** Product number + year after 2 digits + month + day + order number * @param [int] $prodcutId Product number * @param [int] $tradeItemid order number * @return [string] Returns the generated order number
SELECT * FROM table WHERE convert (Nvarchar, DateAndTime, 111) = CONVERT (Nvarchar, GETDATE (), 111) ORDER by DateAndTime DESCRecord of the Month
SELECT * FROM table WHERE DateDiff (Month,[dateadd],getdate ()) =0
Week
In the database we often use SQL statements to simple statistical sorting of tables, for date fields, we can simply order them. For the complex point can be group,order by the date of the year, month, day, respectively.GROUP by year, sort by
This is the SQL script that calculates the first day of the one month:SELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ()), 0)--the first day of the monthSELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ())-1, 0)-the first day of the monthSELECT DATEADD
In the database we often use SQL statements to do a simple statistical sort of table, for the Date field, we can simply order it. For a complex point can be group,order by date, month, day, respectively.
Group by year, sorting by statistics:
This is the SQL script that calculates the first day of the one month:SELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ()), 0)--the first day of the monthSELECT DATEADD (mm, DATEDIFF (Mm,0,getdate ())-1, 0)-the first day of the monthSELECT DATEADD
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