3/18/2023 0 Comments Oracle sql week number![]() ![]() ![]() To_char(trunc(sysdate ,'day') + level - 1, 'Day',ĭocumentation for to_char() with nls_date_language and day of the week, and more in the globalisation support guide. You can also specify the language used for the day names separately if you want: select level as dow, 38 You can use TRUNC function to truncate date to the first day of week. To_char(trunc(sysdate ,'D') + level - 1, 'Day') as day and I need to adjust the calculation to correct for that: select level as dow, To_char(trunc(sysdate ,'D') + level, 'Day') as dayīut the same query run in the UK is a day off: alter session set nls_territory = 'UNITED KINGDOM' Microsoft has its own method of controlling regional and globalization settings. You can change it just for your session, e.g.: ALTER SESSION SET NLSTERRITORYGerman Then Monday becomes the first day of the week. Select to_char(sysdate, 'D') as d, to_char(sysdate, 'Day') as day from dual To find the week number of a given date adate, you can use this formula: 1 + FLOOR ( (adate - fiscalyearbegin (adate)) / 7 ) which finds how may days have passed since the beginning of the fiscal year, dvides by 7 to get the number of completed weeks (0-52), and adds 1 to get the number of the week in progress. In Oracle, you use the NLSTERRITORY parameter to set which day the week should start on. In the custom input dialog box, enter 0000000. Right click Format Option or you can also use the shortcut key Ctrl + 1 open Format Cell Dialog Box. The day of the week is affected by the NLS territory, so if I run this as if I'm in the US it works: alter session set nls_territory = 'AMERICA' Using Oracle SQL, how do you create a result set for: Number for the Day Of The Week (1-7) Name of the day (Monday, Tuesday, Wednesday, etc. Select the cell in which you want to add zeros as a prefix. Florin's answer is how I'd do it, but you need to be a little careful about NLS settings. ![]()
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