datename sql

　　SQL statement gets a specific date 1. The first day of one months Select DATEADD (mm, DATEDIFF (Mm,0,getdate ()), 0) 2. Monday of this week Select DATEADD (wk, DATEDIFF (Wk,0,getdate ()), 0) 3. The first day of the year Select DATEADD (yy, DATEDIFF (Yy,0,getdate ()), 0) 4. First day of the quarter Select DATEADD (QQ, DATEDIFF (Qq,0,getdate ()), 0) 5. The middle of the day Select DATEADD (DD, DATEDIFF (Dd,0,getdate ()), 0) 6. Last day of l

The current date and time DateDiff (INTERVAL,DATE1,DATE2) returns the difference between Date2 and date1 two dates date2-date1 DateAdd (interval,number, in the interval specified manner) Date) The integer value Datename (interval,date) that is specified in interval, plus number after number DatePart (interval,date) returns the date, interval the specified part. Returns the string name corresponding to the specified part of the date, interval The sett

datename (interval,date) that corresponds to the specified part of the date, interval returns the string name for the specified portion of the date, intervalThe setting values for the parameter interval are as follows:Value abbreviations (SQL Server) Access and ASP descriptions YearYy yyyy Year1753 ~ 9999Quarter Qq Q season1 ~ 4MonthMm m Month 1~ A Day of YearDy y number of days of the year, the Day of

Label:One, SQL Server date-time functionsDate and time functions in SQL Server1. Current system date, timeSelect GETDATE ()2. DateAdd returns a new datetime value based on adding a period of time to the specified dateExample: Add 2 days to the dateSelect DATEADD (day,2, ' 2004-10-15 ')--return: 2004-10-17 00:00:00.0003. DateDiff returns the number of date and time boundaries across two specified dates.Selec

Tags: compare IDT table Structure decimal des strings index COM default1. Remote Login mode 2. Query the first 100 data Select top * FROM [dbo]. [Flow_share_day_tax] 3. Get the system time SELECT GETDATE () as ' current time ' Get other Time: DATEPART () returns an integer representing the specified date part of the specified date SELECT DATEPART (year, GETDATE ()) as ' years 'SELECT DATEPART (month, GETDATE ()) as ' month 'SELECT DATEPART (Day, GETDATE ()) as ' days 'SELECT DATEPART (DW, GETDA

() > return line The current date and time of the EC datediff (interval,date1,date2) Returns the difference between date2 and date1 two dates, as specified by interval date2-date1 dateadd (interval,number,date) datepart (interval,date) Return date, interval the integer value of the specified section datename (interval,date) returns date, interval the string na

, dateadd (day, 1-datepart (weekday, @ date), @ date )) as 'first day of next week, Sunday' -Simplified select dateadd (day, 8-datepart (weekday, @ date), @ date) as' first day of next week, sunday' -next Sunday, independent of the SQL Server language version or @ datefirst select dateadd (week, 1 + datediff (week,-1, @ date),-1) as 'Next Sunday' -or select dateadd (Week, datediff (week,-1, @ date), 6) as 'Next Sunday' go -determine the day of th

Tags: des style blog Class tar extUse SQL statements to query data for a date in a week SELECT * from Shoporder where DateDiff (Week,ordtime,getdate ()-1) =0//query date of the day on the first anniversary of the data SELECT * from Shoporder where DateDiff (Day,ordtime,getdate ()-1) =0//query all data for the current day SELECT * from A where DateDiff (D,datetime,getdate ()) SELECT * from A WHERE DATEDIFF (M, Shijian, GETDATE ())

Tags: date format nio Data code technology error closed Err CharIf you want to manipulate a table to have a certain understanding of the table, then you can use two sentences SQL to intuitively understand the table structure sp_help table name; And sp_columns table name; There are also some very basic operations, such as: 1, query the current system date: SELECT GETDATE (); 2. Execute function SELECT dbo. F_func_log_batch_no (); 3. Stitching data: UNI

CONVERT (varchar), GETDATE (), 126): 2006-05-16t10:57:49.827Select CONVERT (varchar), GETDATE (), ():???? ?????? 1427 10:57:49:907amSelect CONVERT (varchar), GETDATE (), 131): 18/04/1427 10:57:49:920am2. SQL Server date and time functions1. Current system date, timeSelect GETDATE ()2. DateAdd returns a new datetime value based on adding a period of time to the specified dateExample: Add 2 days to the dateSelect DATEADD (day,2, ' 2004-10-15 ')--return

(Dd,6-datepart (day,getdate)), getdate)), 0) 13. Last day of the yearSELECT DateAdd (Ms,-3,dateadd (yy, DATEDIFF (Yy,0,getdate ()) +1, 0)). Date and time functions in SQL Server1. Current system date, timeSelect GETDATE () 2. DateAdd returns a new datetime value based on adding a period of time to the specified dateExample: Add 2 days to the dateSelect DATEADD (day,2, ' 2004-10-15 ')--return: 2004-10-17 00:00:00.000 3. DateDiff returns the number of

(varchar), GETDATE (), 8): 10:57:46Select CONVERT (varchar), GETDATE (), 24): 10:57:47Select CONVERT (varchar), GETDATE (), 108): 10:57:49Select CONVERT (varchar), GETDATE (), 12): 110516Select CONVERT (varchar), GETDATE (), 23): 2011-05-16 ---Common instance operations: One, SQL Server date-time functionsDate and time functions in SQL Server1. Current system date, timeSelect GETDATE () 2. DateAdd returns

() month () --No seconds Day () Select year (' 1999-1-1 ') Select Month (GetDate ()) Determine if the date is correct isdate () Select IsDate (' 2000-2-31 ') ----return bit type , False is 0,true is 1 Add Time DateAdd (A, B, D)----a add what type (year,month,day) B plus how many C to who add Select DATEADD (year,5, ' 2000-1-1 ') Returns the day of the Week Datename (weekday, time)-The returned value is the same as the string datepart can return a

(), 8): 10:57:46Select CONVERT (varchar), GETDATE (), 24): 10:57:47Select CONVERT (varchar), GETDATE (), 108): 10:57:49Select CONVERT (varchar), GETDATE (), 12): 110516Select CONVERT (varchar), GETDATE (), 23): 2011-05-16---Common instance operations:One, SQL Server date-time functionsDate and time functions in SQL Server1. Current system date, timeSelect GETDATE ()2. DateAdd returns a new datetime value b

To get the day of the week, you need to use the DATE function in SQL Server: Datename ().Today is the day of the week, Example 1: Set Language N ' 中文版 ' select Datename (Weekday, GETDATE ()) WednesdayToday is the day of the week, Example 2: Set Language N ' Simplified Chinese ' select Datename (Weekday, GETDATE (

I. SQL Server Date and Time FunctionsDate and time functions in SQL Server1. Current System Date and TimeSelect getdate ()2. dateadd returns a new datetime value based on a period of time added to the specified date.For example, add 2 days to the dateSelect dateadd (day, 2, '2017-10-15 ') -- Return: 2004 00:00:00. 0003. datediff returns the number of date and time boundaries across two specified dates.Selec