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How do I get the week number from a date in SQL?

by Chase Collins

How do I get the week number from a date in SQL?

How to Get the Week Number from a Date in SQL Server

  1. SELECT DATENAME(ww, ‘2013-07-12 15:48:26.467’)
  2. SELECT DATENAME(ww, ‘2011-04-17’)
  3. The results for week number and day of the week depend on your language settings.

How do I extract a week from a timestamp in SQL?

EXTRACT

  1. DAYOFWEEK : Returns values in the range [1,7] with Sunday as the first day of the week.
  2. DAY.
  3. DAYOFYEAR.
  4. WEEK : Returns the week number of the date in the range [0, 53].
  5. WEEK() : Returns the week number of the date in the range [0, 53].
  6. ISOWEEK : Returns the ISO 8601 week number of the date_expression .

How dO I get the first day of the week in SQL?

Here is the SQL: select “start_of_week” = dateadd(week, datediff(week, 0, getdate()), 0); This returns 2011-08-22 00:00:00.000 , which is a Monday, not a Sunday. Selecting @@datefirst returns 7 , which is the code for Sunday, so the server is setup correctly in as far as I know.

How dO I get the day name in SQL?

We can use DATENAME() function to get Day/Weekday name from Date in Sql Server, here we need specify datepart parameter of the DATENAME function as weekday or dw both will return the same result.

How do I get last 7 days record in SQL?

Here’s the SQL query to get records from last 7 days in MySQL. In the above query we select those records where order_date falls after a past interval of 7 days. We use system function now() to get the latest datetime value, and INTERVAL clause to calculate a date 7 days in the past.

How do I extract a week from a date?

Get week number from date

  1. Generic formula. =WEEKNUM(date)
  2. To get the week number from a date, you can use the WEEKNUM function. In the example shown, the formula in C5, copied down, is:
  3. The WEEKNUM function takes a date and returns a week number (1-54) that corresponds to the week of year.
  4. Good links.

How dO I get a week start and end in SQL?

Week start date and end date using Sql Query

  1. SELECT DATEADD( DAY , 2 – DATEPART(WEEKDAY, GETDATE()), CAST (GETDATE() AS DATE )) [Week_Start_Date]
  2. select DATEPART(WEEKDAY, GETDATE())
  3. Select DATEADD( DAY , 8 – DATEPART(WEEKDAY, GETDATE()), CAST (GETDATE() AS DATE )) [Week_End_Date]
  4. select DATEPART(WEEKDAY, GETDATE())

How dO I get the current day in SQL?

To get the current date and time in SQL Server, use the GETDATE() function. This function returns a datetime data type; in other words, it contains both the date and the time, e.g. 2019-08-20 10:22:34 .

How do I order weekdays in SQL?

select ename, to_char(hiredate,’fmDay’) as “Day” order by “Day”; Then it sorts the result based on Day like; from Friday, then Monday and last Wednesday, like sorting by characters.

How do I get last 30 days data in SQL?

SELECT * FROM product WHERE pdate >= DATEADD(day, -30, getdate()).

How do I get previous days data in SQL Server?

8 Answers

  1. DECLARE @var DATETIME = GETDATE();
  2. SELECT @var AS [Before]
  3. , FORMAT(DATEADD(DAY,-1,@var),’yyyy-MM-dd 00:00:00.000′) AS [After];