How do I get the first day of the current week in SQL Server?

In SQL Server, there is a @@DATEFIRST function, which returns the current week start day (value of SET DATEFIRST).

What is the first day of the week in SQL?

Specify day for the start of the week We can set the first day of the week with SQL DATEFIRST function. We can specify value 1 to 7. If we specify the value 1, it considers Monday as the first day of the week. We can refer to the following table for specifying a value in SQL DATEFIRST.

How do I get the current week in SQL Server?

Explanation: datepart(dw, getdate()) will return the number of the day in the current week, from 1 to 7, starting with whatever you specified using SET DATEFIRST. dateadd(day, 1-datepart(dw, getdate()), getdate()) subtracts the necessary number of days to reach the beginning of the current week.

How do I select weekday in SQL?

MySQL WEEKDAY() Function The WEEKDAY() function returns the weekday number for a given date. Note: 0 = Monday, 1 = Tuesday, 2 = Wednesday, 3 = Thursday, 4 = Friday, 5 = Saturday, 6 = Sunday.

How do I get the first week of the month in SQL?

this select datediff(week, dateadd(week, datediff(week, 0, dateadd(month, datediff(month, 0, @date), 0)), 0), @date) returns 5 which is correct.

How do I get the first week of the current month in SQL?

Here is one of the method to find the monthly week number. In this script, I have used DATEADD function along with EOMONTH function to get the first day of the month for the given date. Then used DATEPART with week parameter to get the yearly week number for the given date and the first day of month.

Which function returns the weekday for date?

The Excel WEEKDAY function takes a date and returns a number between 1-7 representing the day of week. By default, WEEKDAY returns 1 for Sunday and 7 for Saturday, but this is configurable. You can use the WEEKDAY function inside other formulas to check the day of week. A number between 0 and 7.

Why is Sunday the first day of week?

The first day of the week (for most), Sunday has been set aside as the ‘day of the sun’ since ancient Egyptian times in honor of the sun-god, beginning with Ra. The Egyptians passed their idea of a 7-day week onto the Romans, who also started their week with the Sun’s day, dies solis.

Is Sunday the first or last day of the week?

The international standard ISO 8601 for representation of dates and times, states that Sunday is the seventh and last day of the week.

How do I get the first day of the current month in SQL Server?

The logic is very simple. The first part @DATE-DAY(@DATE) results to the Last day of a previous month and adding 1 to it will result on the first day of current month. The second part EOMONTH(@DATE) makes use of SYSTEM function EOMONTH which results to the last day of the given date.

What is @@ Datefirst?

The SET DATEFIRST function is used to set the first day of the week from number 1-7. In order to know the current first day of the week, @@DATEFIRST is used.

How to find when SQL Server was installed?

8.0 for SQL Server 2000

  • 9.0 for SQL Server 2005
  • 10.0 for SQL Server 2008
  • 10.5 for SQL Server 2008 R2
  • 11.0 for SQL Server 2012
  • 12.0 for SQL Server 2014
  • 13.0 for SQL Server 2016
  • 14.0 for SQL Server 2017
  • 15.0 for SQL Server 2019
  • How to add date and time in SQL Server?

    Definition and Usage. The DATEADD () function adds a time/date interval to a date and then returns the date.

  • Syntax
  • Parameter Values. The time/date interval to add. The number of interval to add to date.
  • Technical Details
  • More Examples
  • How to get last day of last week in SQL?


  • Arguments. The date argument is a DATE value or any expression that evaluates to a DATE value of which you want to get the last day of the month.
  • Return value. The Oracle LAST_DAY () function always returns a DATE value that represents the last day of the month of that input date.
  • Examples.
  • When did SQL server restart?

    Here are a few different ways that you can tell when SQL Server was last started. This DMV, sys.dm_os_sys_info, contains a column that holds the startup time for SQL Server. You can run the following command to find the start time.