Time Dimension With &"None&" Option
May 6, 2008
I have a fact table that has a couple of different time values. There is a createtime which is my primary time dimension, but there is also an expiration time. Not all records have an expiration time, but I'd like to have this as a dimension, such that the rows that don't have an expiration time could be grouped as none or unknown.
Is it possible to configure this in the ErrorConfiguration section for the dimension? I keep getting errors on processing for missing key values.
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May 19, 2008
Hi!
Need some help building a query that does the following :
I have 2 Time Dimensions ; Time (Transdate) and ClosedDate (ClosedDate)
In my report/query, if [Time].CurrentMember = [Time].[YMD].[YMD].[2006].[200610].[20061031] I want to FILTER out all ClosedDate < [ClosedDate].[YMD].[YMD].[2006].[200610].[20061031]
Both Time Dimensions are Year -> Month -> Day and have the same Members.
I have every option available, using calculated Members and/or Measures to do this.
The report I'm creating is Aging of Receivables : Balance / 30 days / 60 days / etc.. But for the Aging, I need to filter like explained above.
Appreciate all help!
Regards,
Stian Bakke
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Sep 4, 2007
Hello,
I am trying to make a time dimension in analysis services. Is it possible to include the hours of a day in the dimension ? Is necessarily the day level the lowest of the hierarchy?
Thank you
ST
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Aug 14, 2007
(This is the Twilight Zone......not so much)
What are the pros and cons to using SSAS to create time dimensions based on a date field in the fact table as opposed to a stand alone time dimension table.
I can see many problems with loading a time dimension table. The date is from the same table as most of my fact data. I have a column in my OLTP that sets last change date so I can tell if my fact data is an insert or update but it wouldn't tell me if the date column had been changed, just some column in the table. I'm going to have several thousand sales on any given day so I'll be reading a lot of rows just to put one row into the dimension.
From a SSIS point of view I'd think leaving the date in the fact table would be better.
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Mar 30, 2004
Hi,
I have a fact table which contains the transaction date, ProductID, QTySold, TotalSaleAmount, etc...
Since I am new to OLAP therefore I need help to now create the table for TIME on which I will be basing my time dimension... I have read a few articles and have gathered that at the end of the exercise my fact table should have a 'timeid' column which will be linked to the same column in the table being used for the time dimension...
I have gone through the tutorial of MS-Analysis Service and FoodMart example have some idea about what he structure of this table will be.
My questions are:
1. I need guidance on how to create the table for time. One option is to just copy the table used in the Foodmart example but thought that might work but my concept will not be clear
2. The structure of the table to be used for time dimension is quite clear (i think this part is easy). What I want to understand is that how do i POPULATE this table which data? Can some one provide me with scripts, SPs, or whatever to do this.... This is the area where I am lost...
3. How will I enter the "TheDate" column in my fact table and link it with my table for time dimension...
Looking forward to someone's help.
BTW, I would like to share a very good article which i recently found in one of the newsgroups. Some of you might like appreciate it too:
http://www.sqljunkies.com/Article/D1E44392-592C-40DB-B80D-F20D60951395.scuk
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Aug 29, 2007
Hello:
Very soon my company will be moving to a 4-4-5 reporting schedule. Basically, what this means is that the first month of the quarter will have 4 weeks, the second will have 4 weeks, and the third will have 5 weeks. Therefore, for the 2007 the dates for Jan, Feb and Mar will be as follows:
Jan - 1 - 27
Feb - 28 - 24
Mar - 25 - 31
Currently, I have an SSIS package creating a record for each day in the Time Dimension. Is there any script out there that will help me build a Fiscal calendar such as the one described above?
I realize that this is not a direct SSIS question but I figured that some of you might have encountered this situation and hence my post.
Thank you!
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May 29, 2008
Hi,
I got inventory fact table. For the past two weeks, I got on a daily level; beyond that, weekly level, and beyond that monthly. I need to tie it all in to the time dimension of course €“ and the problem is, how do I do it on different granularity?
As far as time dimension, tn the datamart, I got tables dim_date with key column date_id (int) , and correspondingly dim_week with week_id(int) and dim_month with month_id(int).
What I€™ve done so far, is created a time dimension from dim_date table (meaning granularity=daily) and simply tied in all the inventory €“ daily, weekly, monthly, on the day level (it all has date_id field in it, even the weekly and the monthly. Its simply the day of the end of week or end of month) I didn€™t tie anything to dim_week and dim_month.
Does that makes sense? The result is kind of strange. I cant upload an image here, but€¦ well it seems ok, I got year, week (€˜GL Week€™) and then €¦ this is the annoying thing: why am I getting a €˜date€™ column, when I only want it by week or by month? I can€™t make that column disappear (e.g when in time hierarchy I only group by month, still a €˜day€™ column will be there, and will show 4 days€¦ the 4 €˜end of week€™ that comes from €˜date_id€™.)
How do I make it go away??
Thanks for reading : ) I know it€™s a bit long
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Oct 26, 2015
When i add a dimension to the cube dimension without any relation in my dimension usage to any measure group my units are going down.However when i remove the dimension from the cube am getting the correct values.
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Dec 20, 2007
Im trying to design my time dimension and need to add a field tohandle null dates in the fact. So if at the time of ETL the date isntknown, referential integrity will be preserved. Kimball suggestsinsterting a record in the time dimension to handle this with adescription of 'Date not available' or something like that. Howeverif users are doing inner joins on the dimension they will obvisouslybe pulling the datetime field..what should be in the datetime fieldfor this particular record?
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May 20, 2008
Hi All,
I've looked around but can't seem to find an answer for this.
I have a cube that has a fairly large time dimension (going back to 1949) as the data demands this.
When a user is browsing the cube and applies a filter or adds the a time heirarchy as a value it's always sorted from oldest to newest. Whilst the need is there to look at data from 1949 most people want to look at the last few years. The problem is they have to scroll right down the list to get to this. Is there a way of having the most recent years of the time dimension appear first in these lists to make them more accessable?
I hope that makes sense!
Any help would be appreciated.
Thanks
yayomayn
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Mar 30, 2004
Hi,
I have a table which contains all the transaction details for which I am trying to create a CUBE... The explanation below in brackets is only for clarity about each field. Kindly note that I am using the following table as my fact table. Let's call it tblFact
This table contains fields like transaction date, Product (which is sold), Product Family (to which the Product Belongs), Brand (of the product), Qty sold, Unit Price (at which each unit was sold), and some other fields.
I have created a Product dimension based on tblFact. I don't know if this is a good idea or not :confused: Is it okay and am I on the right track or should I base my Product Dimension on some other table (say tblProducts and then in the Cube editor link tblProducts with tblFact based on the ProductID field? Please guide.
Now coming to my last question:
Currently I am also creating my Time Dimension based on tblFact. Is this also a wrong approach?
1. Should I instead create the Time Dimension based on a different table (say tblTime) and again link up tblTime and tblFact in the Cube editor?
2. if yes, then how do I create tblTime from tblFact in a manner that it only contains all the transaction dates.
3. Assuming that I should take the tblTime approach, then should this table (tblTime) also contain the ProductID - representing the Product which was sold for each date in tblTime?
I realize that this is a lenghty post but reply and more importantly guidance from the experienced users will be greatly appreciated becuase I have recently started learning/playing around on the OLAP side of things and I know that this is the time that I get my foundations correct otherwise I'll end up getting used to some bad practice and will find it difficult to change my approach to cube designing later down the road.
So many thanks in advance and I eagerly look forward to reply from someone.
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Apr 11, 2008
Hi guys,
I made a cube with time dimension with hieracly year/month/date/hour
the problem is that dimension is growin to fast. In older version of MSSQL (2000) the same dimension doesn't grew so much.
Any ideas? The table is big (may be around 1 500 000 rows per month) now it contains around 4 500 000 rows.
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Feb 28, 2007
Hello,
I have an Analysis Services Cube that I would like to report on. However, the Time Dimension currently only has four columns, Day of Month, Month(name) , Year, and DateKey (DateTime representation at midnight for every day). Thus when I drag the month attribute onto the report, it is sorted April - August - December - etc. instead of Jan - Feb - Mar. How do I fix this? I remember reading something in the MSDN Library about it but I can't find it again now.
Thomas
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Nov 21, 2006
We have a set of cubes and dimensions, and we're experimenting with data mining against the cubes (primarily for forecasting applications). We have a custom time dimension (which we call calendar), not generated by the BIStudio wizard. The dimension has year/month/day/hour/... attributes. But when I try to add this Calendar dimension to the mining structure as a nested table using BI studio, it only shows the Year attribute, not the others. Other dimensions seem to show all the attributes.
Is there something we've done wrong in defining our time dimension? What determines which attributes show up as available for selection in BI studio?
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Dec 29, 2006
There are some 55 members in the arrival year level of the time dimension (1995 - 2055).
I am trying to find a way to restrict the number of years returned by this mdx query to the current year - 5. Any help will be appreciated.
WITH MEMBER [Measures].[ParameterCaption]
AS '[TIME DIMENSION].[ARRIVAL YEAR].CURRENTMEMBER.MEMBER_CAPTION'
MEMBER [Measures].[ParameterValue]
AS '[TIME DIMENSION].[ARRIVAL YEAR].CURRENTMEMBER.UNIQUENAME'
MEMBER [Measures].[ParameterLevel]
AS '[TIME DIMENSION].[ARRIVAL YEAR].CURRENTMEMBER.LEVEL.ORDINAL'
SELECT
{
[Measures].[ParameterCaption],
[Measures].[ParameterValue],
[Measures].[ParameterLevel]
} ON COLUMNS,
[TIME DIMENSION].[ARRIVAL YEAR].allmembers ON ROWS
FROM [TOURISM CUBE]
Thanks
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May 21, 2008
This is a cross-post from the Office PPS Planning site: http://forums.microsoft.com/TechNet/ShowPost.aspx?PostID=3379691&SiteID=17 I was hoping there may be some additional MDX resources here.
I'm trying to determine if the currentmember of the time dimension is > or < the value of today. I want to use this to change the the value of a member that I display on columns from actual (for prior to today) to forecast (after today). I have this MDX:
with
member [measures].[PYCY] as IIf(VBA!CInt(Format(VBA!Now(),"MM"))<10, VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())-1)), VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())+0)))
member [measures].[CYNY] as IIf(VBA!CInt(Format(VBA!Now(),"MM"))<10, VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())+0)), VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())+1)))
member [measures].[NYNY2] as IIf(VBA!CInt(Format(VBA!Now(),"MM"))<10, VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())+1)), VBA!CStr(VBA!CInt(VBA!Year(VBA!Now())+2)))
member [measures].[test2] as Format(Now(), "yyyyMM")
member [measures].[test4] as [Time].[Day View].CurrentMember.Member_Key
member [measures].[diff] as DateDiff('m', Format(Now(), "yyyyMM"),[Time].[Day View].CurrentMember.Member_Key)
select
StrToSet('{' + Generate(Descendants(
{strtomember('[Time].[Day View].[year].&[' + [measures].[PYCY] + ']'), strtomember('[Time].[Day View].[year].&[' + [measures].[CYNY] + ']'), strtomember('[Time].[Day View].[year].&[' + [measures].[NYNY2] + ']') }
, [Time].[Day View].[Month]), [Time].[Day View].CurrentMember.UNIQUE_NAME, ", ") + '}')
* {[measures].[test2],[Measures].[test4],[measures].[diff]}
on 0,
[Scenario].[All Members].members
on 1
from [SalesForecasting]
Here is the result for 2 months:
October FY2007
October FY2007
October FY2007
November FY2007
November FY2007
November FY2007
test2
test4
diff
test2
test4
diff
All
200805
200610
#Error
200805
200611
#Error
None
200805
200610
#Error
200805
200611
#Error
Actual
200805
200610
#Error
200805
200611
#Error
Forecast
200805
200610
#Error
200805
200611
#Error
Override
200805
200610
#Error
200805
200611
#Error
Plan
200805
200610
#Error
200805
200611
#Error
The error is: #Error Execution of the managed stored procedure DateDiff failed with the following error: Exception has been thrown by the target of an invocation.Argument 'Date1' cannot be converted to type 'Date'..
Why can't DateDiff calculate the difference between 200805 & 200610?
Thanks
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Nov 14, 2007
The following question might sound a bit stupid but I'm not a database expert so hopefully nobody minds me asking it.
Here's what I did:
1. I created an SSIS package that is supposed to import new data into my data warehouse as it becomes available.
2. Since I need to maintain some of the history I use the Slow Moving Dimensions part (set the history flag on input fields) but run into an error condition while running the package. The message basically says that I'm about to create a duplicate record which is not allowed.
Original Table1:
PK1 field1
PK2 field2
PK3 field3
field4
field5
-----------
Now I enhanced it like this:
Extended Table1:
PK1 field1
PK2 field2
PK3 field3
field4
field5
CreateDate (new)
NewDate (new)
ActiveFlag (new)
_____________________
Now on some records the package is supposed to archive history by populating the (new) fields. In order to keep the record unique (primary key constraint) thought, do I need to make the (new) fields primary keys as well?
So I guess I'm struggling with a more basic concept;)
I would appreciate if somebody could shed some light on this.
Thanks in advance.
Dirk
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Oct 17, 2007
Good afternoon all,
I have created a cube in Analysis Services with a time dimension named Time. The data is only needed at the month level, so the fields in the table that the dimension is based on are [DTE MM] and [DTE YR]. In Visual Studio 2005 or in SQL Server Mgmt Studio I can browse the dimension and I see that Time has the following attributes: Year and Month both Regular attributes and Time (Key attribute). There is also a hierarchy named [Year - Month] and if I browse that it looks good dril down from All to Year to Month.
However, when I point my Reporting Services Datasource to the cube, and start Query Builder, I see two dimensions, [DTE MM] and [DTE YR] and no Time dimension.
[DTE MM] has attributes [DTE MM].[Month], [DTE MM].[Time], [DTE MM].[Year], [DTE MM].[Year - Month].
[DTE YR] has attributes [DTE YR].[Month], [DTE YR].[Time], [DTE YR].[Year], [DTE YR].[Year - Month]
This is causing me huge problems in my report. I need to use a date range in the query. To do this, I created Query Parameters and refer to Report Parameters that will be passed in. For example, I use ="[DTE YR].[Year - Month].[Year].&[" + Parameters!StartYear.Value + "].&[" + Parameters!StartMonth.Value +"]" (thanks to Simon Philips) as the query parameter for the Start Year Month, but if I use the [DTE YR].[Year - Month] in my SELECT, the data is not sliced in my query results. That is to say that the Year and Month show correctly, according to the date range, but the Measure is equal for each month and is equal to the total for the cube. To slice the data, I have to use [DTE YR].[Year].[Year] and [DTE MM].[Month].[Month] in my select, but then the data is shown for every month, i.e. the date range is ignored.
What am I doing wrong, or is this a quirk of RS that I can work around?
Thanks,
Kathryn
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Jul 27, 2015
I have a monthly time period dimension representing average number of students for each month. At the yearly aggregate level I don't want it to sum up the avg number of students from every month because that number is incorrect. I would like it to use the number of students from the most recent month as a roll up. Is that possible to configure in SSAS?
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May 26, 2008
Hi,
The scenario is the data comes from various sources and its staged into staging database. From this staging database it goes into data warehouse database. Everyday this staging database is truncated and repopulated from various sources.
I've a dimension table called DimCustomers which consists of around 300,000 rows and has lots of different types of SCD columns. It takes around 4-5 hours to load data from staging to this dimension table. Currently I'm using a For Loop container which uses a store proc to extract 15000 rows each time and populate my dimension tables. First couple of loops it goes off quickly but as and when the number reaches half of the count it slows down and hence it takes around 4-5 hours to load data.
What would be the best approach to populate this kind of dimension table.
Thanks
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Oct 19, 2015
<SQL Server 2008 R2>
I created a Time table using BIS. I found that the default naming of time members is too long and redundant.
For example, the wizard generated "Fiscal Calendar 2015", "Fiscal Quarter 1, 2015", etc. However, shorter expression like "FY2015", "FQ1 2015", etc would be enough for me.Â
Is it possible to change the default naming rule, or does SSAS works correctly if I update the Time table values using SQL?
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May 21, 2015
I have a parent child dimension. a time dimension i have year.
Assume,
ParentID ChildID sales Year
171 171 10 2014
171 172 200 2014
171 173 300 2014
171 172 44 2015
if I pass 2014 and 2015 in sub select 171 data is not coming in result. i i pass only 2014 in sub select i get value of only 2014. if I pass 2015 in sub select i didn't get any value.                                                                        Â
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Jul 20, 2005
Hi all,I'm working on the schema for a database that must represent data about stock& bond funds over time. My connundrum is that, for any of several dimensionfields, including the fund name itself, the dimension may be represented indifferent ways over time, and may split or combine from one period to thenext.When querying from the database for an arbitrary time period, I need the datato be rolled up to the smallest extent possible so that apples can be comparedto apples. For instance, if the North America region becomes 2 regions, USAand Canada, and I query a time period that spans the period in which thissplit occurred, I should roll up USA and Canada and for records in the periodthat has both, and I should call the result something like "(NorthAmerica)(USA/Canada)" in the output. The client specifies that the dimensionoutput must represent all dimensions that went into the input.Of course, I have to account for more complex possibilities as well, e.g.Fund-A splits into Fund-B and Fund-C, then Fund-C merges into Fund-D producing(Fund-A/Fund-D)(Fund-B/Fund-C/Fund-D)(Fund-B/Fund-D)I can think of several ways to handle this issue, and they're allextraordinarily complex and ugly. Any suggestions?Thanks,- Steve Jorgensen
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Jul 7, 2015
I Create a measure group and two dimensions using  [AdventureWorksDW2012], I try to change one dimension's storage mode with setting property proactive caching as Real-Time ROlap. There is no any warning message when deploying and processing, but error occurs when I query in sql server analysis services, see below for the error messages and the screen capture.
Error occurred retrieving child nodes: the current operation was cancelled because another operation in the transaction failed.
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May 25, 2015
below data,
Countery
parentid
CustomerSkId
sales
A
29097
29097
10
A
29465
29465
30
A
30492
30492
40
[code]....
Â
Output
Countery
parentCount
A
8
B
3
c
3
in my count function,my code look like,
 set buyerset as exists(dimcustomer.leval02.allmembers,custoertypeisRetailers,"Sales")
set saleset(buyerset)
set custdimensionfilter as {custdimensionmemb1,custdimensionmemb2,custdimensionmemb3,custdimensionmemb4}
set finalset as exists(salest,custdimensionfilter,"Sales")
Set ProdIP as dimproduct.dimproduct.prod1
set Othersset as (cyears,ProdIP)
(exists(([FINALSET],Othersset,dimension2.dimension2.item3),[DimCustomerBuyer].[ParentPostalCode].currentmember, "factsales")).count
it will take 12 to 15 min to execute.
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Apr 27, 2008
Hi everyone In my SqlServer Management Studio Express, on start up it shows the server type option, but greyed.So that value is fixed to database engine. ( I'm trying to work on an SqlServer Compact Edition database through the SSMStudiothat's why I'm trying to get this to change.)Besides, after I connect i go to the Object Explorer, expand the server node, and go to Replication.When i expand replication, i get the "Local Subscription" option, but nothng for Publication.( I want to work on Merge Replication, that's why I desparately need Publication to work)Am i missing something here? I did not install SqlServer separately, I only have what comes bundled with the Visual Studio 2005 Setup.
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Feb 10, 2015
So I started a new job recently and have noticed a few strange configurations. Typically I would never mess with min memory per query option and index create memory option configuration because i just haven't seen any need to. My typical thought is that if it isn't broke... They have been modified on every single server in my environment.
From Books Online:
• This option is an advanced option and should be changed only by an experienced database administrator or certified SQL Server technician.
• The index create memory option is self-configuring and usually works without requiring adjustment. However, if you experience difficulties creating indexes, consider increasing the value of this option from its run value.
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Aug 7, 2007
Hi all,
I have created a report in SSRS 2005 which is being viewed by users from different Time Zones.
I have a dataset which has a field of type datetime (UTC). Now I would like to display this Date according to the User Time Zone.
For example if the date is August 07, 2007 10:00 AM UTC,
then I would like to display it as August 07, 2007 03:30 PM IST if the user Time Zone is IST.
Similarly for other Time Zones it should display the time accordingly.
Is this possible in SSRS 2005?
Any pointers will be usefull...
Thanks in advance
sudheer racha.
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Apr 13, 2005
I ask the question again more clear!
I need to have the same calculeted member for diferentes dimensions.. can i do one calculated member only, that include the diferent dimensions.
Thanks
Paul
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Jan 29, 2008
I have table with many rows, and I want to change the structure of base. It is possible to create 3-dimensions table?
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Apr 25, 2014
Sample Table
USE [Testing]
GO
/****** Object: Table [dbo].[Testing] Script Date: 4/25/2014 11:08:18 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[Code] ....
It seems to work fine with one million records.
Each primary key is unique, but the begindate is non-unique, and i guess even if i use datetime2 and add nanoseconds, from what i have read, there is a chance that i could have a duplicate datetime since the date is imported via XML from multiple sources.
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Jun 11, 2015
Is there a way to keep track in real time on how long a stored procedure is running for? So what I want to do is fire off a trace in a stored procedure if that stored procedure is running for over like 5 minutes.
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Oct 22, 2015
I am trying to load previous days data at 3 am via a SSIS job.
The Date variable is initiated as DATEADD("dd",-1, GETDATE()) in the for loop.
Now, as this job runs at 3 am, and I set the variable as GETDATE() - 1, it excluded the data from 12 am to 3 am in the resultset as Date is set as YYYY-MM-DD 03:00:00:000 I need this to be set as YYYY-MM-DD 00:00:00:000
How can i do this?Â
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