#ORACLE WEEK NUMBER STARTING SUNDAY FULL#
#ORACLE WEEK NUMBER STARTING SUNDAY ISO#

#ORACLE WEEK NUMBER STARTING SUNDAY ISO#

Then WeekDay returns 5, which corresponds to Thursday. Before you start doing that, you need to define your 'rules' for Week Number - the ISO specification lays them down very solidly for Monday weeks: ISO week date - Wikipedia and is heavily dependant on the week in which the Thursday falls - and as a result an 'ISO year' can have between 364 and 371 days depending on the first Thursday of the 'calendar' week - meaning that Jan 1st can be in. (Assume the current date is Wednesday, July 5, 2009.)įirst the DateAdd function adds one day to the current date, resulting in a date of Thursday, July 6, 2009. The DayName function extracts the name of the day of the week from a given date.

WeekDay is most often used with the DayName function.

The system returns the number of the day of the week, from 1 to 7, as shown here: If the Locale INI option offers no value, the system defaults to USD (United States/English). If you omit this parameter, the system checks the Locale INI option. The default is the current date.Įnter a valid date format that describes the format used by your entry in the Date parameter. The system assumes your entry is in the format specified by the Format parameter. Use this function to determine the day of the week in a given date and return the value as a number. For more information about Oracle (NYSE:ORCL), visit are here: Function Reference > Alphabetical Listing > W > WeekDay WeekDay Oracle offers a comprehensive and fully integrated stack of cloud applications and platform services. My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts.

#ORACLE WEEK NUMBER STARTING SUNDAY FULL#

To view full details, sign in with your My Oracle Support account.ĭon't have a My Oracle Support account? Click to get started! So, is there a way to modify 'week_of_year()' function to apply ISO ? Solution Sign In In ISO numbering, the 1st week of 2016 is the next one : from Januto January 10, 2016, because in ISO-definition, The first week of the year is the week that contains that year's first Thursday (='First 4-day week'). In US numbering, the 1st week of 2016 is from Decemto January 3, 2016, because the 1st week of year is the week that contains the 1st of January and a week is beginning with Sunday. The problem is that week_of_year() returns the US-way of numbering the weeks in a year.īut, other countries like France and Europe are using ISO-way of numbering weeks in a year.

If needing to filter on the 17th week of the week, you have to set 18 for week number in the filter.įor instance, using 'Sales - Opportunities and CRM Products real time' subject area and setting WEEK_OF_YEAR('Opportunity'.'Created Date'), it returns the 'correct week + 1'. You are using a date filter in BI, specifically for finding the 'week number in year' value, via the WEEK_OF_YEAR() OBIEE function. Is there a way to modify 'week_of_year()' function to apply ISO week numbering? Information in this document applies to any platform. Oracle Fusion Sales - Version 11.1.10.0.0 and later WEEK_OF_YEAR() OBIEE function not returning ISO week numbers for DATETIME typed columns in the RPD Week start and end date for a given date Hi Tom,I want the sql to get the start of the week date and end of the week date for a given date and my week starts from saturday and ends with friday.

Oracle week number starting sunday