Selecting The Latest Date From Different Columns

Jul 20, 2005

I have 6 columns, all with dates within them, i.e.

Proposed Start Date 1
Proposed Start Date 2
Proposed Start Date 3
Proposed Finish Date 1
Proposed Finish Date 2
Proposed Finish Date 3

What I need to do is narrow this down into two fields:
Start Date
Finish Date

So I need to find the newest value from the columns. i.e.
If PS1 filled PS2 and PS3 empty, then Start Date = PS1
If PS3 empty and PS2 filled, then Start Date = PS2
If PS3 filled then PS3

and similarly for Proposed Finish Dates.

Anyone knew how I can do this.

(Maybe the following will help for the programmers out there:
If PS3 <> null
Then StartDate = PS3
Else if PS2 <> null
Then StartDate = PS2
Else
StartDate = PS1
End IF

Jagdip

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Transact SQL :: Selecting Latest Date But Over Another Date Column Including Nulls?

Nov 26, 2015

CREATE TABLE #Dateissue
(ID int,
Code nvarchar (20),
Datein datetime,
Declined datetime )

[Code] .....

I have a table here.  I want  find a way of getting the latest date, when the code is the same.  If the Declined date is null.  Then I still want the latest date.  E.g. ID 3.  

If the declined date is filled in.  Then I want to get the row, when the Datein column value is greater then the declined date only.

I tried grouping it by max date, but   i got an error message when trying this out.  Against the code  

WHERE MAX(Datein) > Declined

An aggregate may not appear in the WHERE clause unless it is in a subquery contained in a HAVING clause or a select list, and the column being aggregated is an outer reference.  What do I need to do to get both my outputs working? 

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Hello all. I ma using the following query to pull back data. The MergeHistory table has a column named DateMerged. I am looking to pull back the one record with the most recent DateMerged. I have managed to get the query as far as below but not sure how to select the most recent one. Can anyone help with this? I was told it may be along the line of SELECT TOP 1 or something?


INSERT INTO @List (IndexID, IndexName, MergeSystem, Status, DateCreated, CreatedBy, DataTag, MergedDate)
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Mar 26, 2012

I have 2 tables:

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TransactionsImportDelta

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Get the records with the latest date and time in the destination table TransactionsImportDelta table
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Problem is date & time are in separate columns:

Table structure:

Date Time ID
2011121305154107142201008300100
2011121305154122B1L13ZY0000A07YD
2011121304504735142201090002600
2011121304504737142201095008300
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Feb 11, 2008

Hi everybody!

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I tried to querry that using Max function but it does not seem to work as I get e.g. 2 rows when there are 2 records for the same version.

Could anyone help me?

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Aug 27, 2014

I have created the following SQL snippet that is a very simple mock-up illustrating the problem (I hope!) that I am facing:

-- create table
if object_id('tempdb..#tmpdelnotes') is not null
drop table #tmpdelnotes

create table #tmpdelnotes(
DelNote int identity (1,1) ,
DelDate date not null,
Item int not null,
Customer int not null)

[code]...

What I need to retrieve is a unique list of item numbers with information about the latest (DelDate) delivery note. The "Clumsy workaround" works, but is not very pretty when doing multiple table joins. Is it really necessary to use a derived table for this kind of query? Window functions can only exist in the SELECT and ORDER BY clauses, which is understandable since the calculations take place (I would guess) after the aggregations in the HAVING clause.

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Apr 19, 2015

My requirement is to get the earliest start date after a gap in a date column.My date field will be like this.

Table Name-XXX
StartDate(Column Name)
2014/10/01
2014/11/01
2014/12/01

[code]...

 In this scenario i need the latest start date after the gap ie. 2015/09/01 .If there is no gap in the date column i need 2014/10/01

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Apr 23, 2015

My requirement is to get the latest start date after a gap in a month for each id and if there is no gap for that particular id minimum date for that id should be taken….Given below the scenario

ID          StartDate
1            2014-01-01
1            2014-02-01
1            2014-05-01-------After Gap Restarted
1            2014-06-01
1            2014-09-01---------After last gap restarted
1            2014-10-01
1            2014-11-01
2            2014-01-01
2           2014-02-01
2            2014-03-01
2            2014-04-01
2            2014-05-01
2            2014-06-01
2            2014-07-01

For Id 1 the start date after the latest gap is  2014-10-01 and for id=2 there is no gap so i need the minimum date  2014-01-01

My Expected Output
id             Startdate
1             2014-10-01
2             2014-01-01

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Sep 28, 2012

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09/02/2012 75.2
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09/04/2012 73.3
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I am using this to get the dates listed:
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(
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Sep 3, 2007

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Ex:

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2 | 3 | 9/4/2007 12:00:00 AM
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Jun 14, 2006

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~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Jun 4, 2007

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Hello,

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QuantityIN
ItemID,
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My query so far is

SELECT top 5
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hst_merchnumhst_date_processed
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-------------------
out put would be
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61031/2/2014 approved

table
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idtransid date status
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31013/1/2014 approved
41021/2/2014 approved
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Sep 27, 2007

Hello!

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ID INTEGER
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Hi,
 
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