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Editorial Team
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Asked: 2026-05-15T20:45:09+00:00

I am trying to populate a date table which contains every date for the

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I am trying to populate a date table which contains every date for the next 35 years with information regarding each day.

My ERP system has an accounting years table (GLRULE) which specifies the accounting periods for each specific year since many companies do not work on Calendar Months.

The GLRule table contains one record for each period and looks like this: 

fcbasis  fcname    fcstatus  fdend              fdstart            flisadjust  flisaudit  fnnumber  freval  identity_column
A        FY 2000   C         1/28/2000 0:00:00  1/1/2000 0:00:00   FALSE       FALSE      1         FALSE   37
A        FY 2000   C         2/25/2000 0:00:00  1/29/2000 0:00:00  FALSE       FALSE      2         FALSE   38
A        FY 2000   C         3/31/2000 0:00:00  2/26/2000 0:00:00  FALSE       FALSE      3         FALSE   39
A        FY 2000   C         4/28/2000 0:00:00  4/1/2000 0:00:00   FALSE       FALSE      4         FALSE   40
A        FY 2000   C         5/26/2000 0:00:00  4/29/2000 0:00:00  FALSE       FALSE      5         FALSE   41
A        FY 2000   C         6/30/2000 0:00:00  5/27/2000 0:00:00  FALSE       FALSE      6         FALSE   42

Anyway, I can update my date table one field at a time with a query similar to this: 

UPDATE redfridaydates.dbo.testdates 
   SET [FISCAL_PERIOD]   = 
                (SELECT fnnumber
                  FROM m2mdata01..glrule GLR
                  where DATE >= GLR.FDSTART and DATE <= GLR.FDEND)

Is there a better way to update multiple fields at a time? I’m not sure how I can do so since I do not have a join.

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1 Answer

  1. Editorial Team

    It sounds like the table you’re trying to update has one record for every date. The answer assumes that. If you can ensure that your GL datasource has no overlapping dates:

    UPDATE T
SET T.[FISCAL_PERIOD] = GLR.fnnumber,
     T.Foo = GLR.Bar,
     T.Bat = GLR.Baz  --etc.

FROM redfridaydates.dbo.testdates  AS T
INNER JOIN m2mdata01..glrule AS GLR
ON T.[Date] BETWEEN GLR.FDSTART  AND GLR.FDEND

    If you’re interested, here’s a proof of concept on some test data.

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