Dynamic Join Based On Column Value??

May 4, 2007

Hi,

I have three tables.

The "Master table has a recordid, a masterID, a "IsSubField" and other stuff.



I need to do a join to a second table based on the MasterID...



However for each record, if the "IsSubField" has a True value then it has to use table A to JOIN to, where as if it's False, then it uses table B.



Make sense?



Anyone got any pointers?



Thanks in advance

James

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XML With Dynamic Attributes Based On Column Values

Apr 10, 2007

I have been banging my head against the wall for TWO days. I have
gone back and forth with a very patient guy on thescripts.com. You
can see the ridiculous thread here

http://www.thescripts.com/forum/threadnav628777-1-10.html

If you have time, at least peruse that so we don't go in circles.
Anyway, if you guys can help me solve this, I will be forever
grateful!!


Here is the "basic" problem:


Here is an example for TWO different entities in the database.


EntityID XmlFieldName Value
1 City Austin
1 State TX
1 Country US
2 CityName Los Angeles
2 StateCode CA
2 CountryCode US
2 Zip 111111


Here is how the two different results should be


where EntityID = 1
<Address City="Austin" State="TX" Country="US"/>


where EntityID = 2
<Address CityName="Los Angeles" StateCode="TX" CountryCode="US"
Zip="111111"/>


Notice how the attribute names (City or CityName, State or StateCode,
etc) are based off the XmlFieldName and I don't know in advance what
the possible values will be? I also don't know how many attributes
there will be, but they can be different per entity, depending on how
they have set up an address in our application.


Another thing to note, is that I kind of have this working in an sproc
using PIVOT and generating a table with the values that have the
correct dynamic column names (you can see this on my other thread I
posted above) but I REALLY need this to not use dynamic SQL (so can
use it in a function) if possible and be able to be used in a select
statement, whether it be a temp table as I would like to get a result
set back that I can do a FOR XML RAW on. If this is confusing, it is
because I am delerious. OR is there a way to return a table from an
SPROC that has dynamic columns built?


Please help!! Thanks so much!!!


Brian

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Mar 5, 2014

I Have Table Called 'Sales' and 'Voucher',I Need To Show Each Customer ""Dueamount"" Details Based Upon Customer Paid in 'Voucher' Table But One thing I have Not Maintained Transaction History For Customer in 'Sales' Table Means I Have Column named "CreditAmount" in 'Sales' and Column Named "VoucherAmount" in 'Voucher' ,For every transaction I am updating Column named "CreditAmount" in 'Sales', So finally 'Dueamount' Must be calculated according to "VoucherAmount" of customer in 'Voucher' Table....

Sales Table:

BillMasterId BillDate CustomerId NetAmount CreditAmount

26 03/03/2014 101 1000 1000

My Query:
SELECT CONVERT(varchar,BillDate,103) as BillDate,isnull(NetAmount,0) as BillAmount, case when VoucherAmount != 0 then sum(VoucherAmount)else 0 end as'AmountReceived',case when CreditAmount !=0 then CreditAmount else 0 end as 'DueAmount' from Voucher INNER join Sales on CustomerId=CustomerID and BillMasterID=BillMasterID WHERE CONVERT(varchar,BillDate,103)='03/03/2014' AND CustomerId=101

My Output:

BillDate BillAmount AmountReceived DueAmount

03/03/2014 1000 0 0
03/03/2014 1000 500 0
03/03/2014 1000 300 0
03/03/2014 1000 200 0

Exact Output:

BillDate BillAmount AmountReceived DueAmount

03/03/2014 1000 0 1000
03/03/2014 1000 500 500
03/03/2014 1000 300 200
03/03/2014 1000 200 0

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Feb 25, 2008



Hello,
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So I added a Script Component between the Merge Join and the Flat File Destination hoping that I could alter the order of the columns there. However I added the following code and found that the SortKeyPosition is ReadOnly.


Public Overrides Sub Input0_ProcessInputRow(ByVal Row As Input0Buffer)


Dim column As IDTSInputColumn90

For Each column In Me.ComponentMetaData.InputCollection(0).InputColumnCollection



column.SortKeyPosition = 1

Next

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I was hoping to add some code to get the sort index from my table for each of the columns and set it to the SortKeyPosition. Has anyone out there done this before or seen an example that might point me in the right direction? I've searched for 2 days without coming up with much.

Thanks!


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We have a table with a couple of computed columns. The value of the computed column represents a foreign key reference into another table. We're seeing a major performance problem doing a query joining between the two tables with one of the columns, but not the other. In other words, this kind of query is very fast:

select * from TheTable A, FKeyTable B
where A.ComputedColumn1 = B.KeyColumn

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select * from TheTable A, FKeyTable B
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The main difference we can see that the computed column that causes problems is based on a UDF, and the other one isn't (but again, both are computed). When I look at the execution plan, the slow query shows a Nested Loop (Inner Join) with a "No Join Predicate" warning, with the estimated # of rows being 70 million (which correponds to the product of 1016 rows in TheTable and 69K rows in FKeyTable). The fast query doesn't have that warning, and shows 1016 rows (the # of rows in TheTable).

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Hi!

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Create a derived column in the SSIS flow which does the same thing

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Create a trigger that populates ProductShortName based on ProductName when a row is inserted or updated

Create a named calculation in the table in the Analysis Services project's data source view

Create a named query in the Analysis Services project's data source view

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Hi Craig/Kamal,

I got your email address from your web cast. I really enjoyed the web cast and found it to be
very informative.

Our company is planning to use SSIS (VS 2005 / SQL Server 2005). I have a quick question
regarding the product. I have looked for the information on the web, but was not able to find
relevant information.

We are getting Source data from two of our client in the form of Excel Sheet. These Excel sheets
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Your help in this respect is highly appreciated!

Thanks,


Hi Anthony, I am glad the Web cast was helpful.

Kamal and I have both moved on to other teams in MSFT and I am a little rusty in that area, though in general dynamic numbers of columns in any format is always tricky. I am just assuming its not feasible for you to try and get the source for SSIS a little closer to home, e.g. rather than using Excel output from Reporting Services, use the same/some form of the query/data source that RS is using.

I suggest you post a question on the SSIS forum on MSDN and you should get some good answers.
http://forums.microsoft.com/msdn/showforum.aspx?forumid=80&siteid=1
http://forums.microsoft.com/msdn/showforum.aspx?forumid=80&siteid=1

Thanks



Craig Guyer
SQL Server Reporting Services

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Code:

A
B
C
D
E
F
G
H

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Hi,

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Date

4/1/2003

1/1/2006

4/2/2007

Fee Table



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329

1
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1
OT
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1
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41

1
Daily
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156

1
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86

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OT
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27

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19

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192

2
OT
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2
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2
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2
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3
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3
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3
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175

3
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94

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1 - - - - 38 - - - - - - 41 - - - - - - 42 - - - - - - 40
2 - - - - 35 - - - - - - 40 - - - - - - 42 - - - - - - 41

The Subjects can be different for different students so the query should be dynamic instead of hard coding the names of the subjects. I hope I am clear with my question. The subjectIDs or their names will become the headings and they will contain the obtained marks for that subjects in their columns just for the reports. I have also checked the PIVOT function but was not able to do what I wanted.
Thanks.

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Jul 16, 2014

I have 2 tables:

Table Transaction
-----------------
EmpID TransDate
00001 1/1/2014
00001 1/2/2014
00001 1/3/2104
00001 1/4/2014
00001 1/5/2014
00001 1/6/2014
00001 1/15/2014
00001 2/1/2014
00001 2/2/2014
00001 2/20/2004 ....

Table Master
---------------------------
EmpID EffectiveDateFr Group
00001 1/1/2014 A
00001 1/5/2014 B
00001 1/9/2014 C
00001 2/1/2014 B
00001 2/20/2014 A ....

I want to create query the output should be:

EmpID TransDate Group
00001 1/1/2014 A
00001 1/2/2014 A
00001 1/3/2104 A
00001 1/4/2014 A
00001 1/5/2014 B
00001 1/6/2014 B
00001 1/15/2014 C
00001 2/1/2014 B
00001 2/2/2014 B
00001 2/20/2004 A

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Oct 21, 2014

I have 2 tables that I need to merge let me explain. I have a range of product ID's that have a product grouping of * meaning all product groups. So I have a table with products and one with around 100 groups

ProdID ProdGrp
-------- ---------
11 *
12 *

ProdGrp ProdGrpDesc
--------- ---------------
A Prod Group A
B Prod Group B
C Prod Group C

I need a table which looks like the below but I have no joining mechanism

ProdID ProdGrp
-------- ---------
11 A
11 B
11 C
12 A
12 B
12 C

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Sep 7, 2015

I have table A with colums ID and Product. I have table B with ID (same as table A) and revenue of product.

I need to update the field Product of table A with the revenue of table B.

I'm confuse with the update joining both tables. I tried this, but obviously has an error:

Update A set Product=B.Revenue where A.ID=B.ID

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Oct 14, 2015

I have the following table

Table Name EmployeeInformation
EmployeeID EmployeeFirstName EmployeeLastName
    1             |John                       |Baker
    2             |Carl                        |Lennon
    3             |Marion                    |Herbert

Table Name PeriodInformation
PeriodID PeriodStart PeriodEnd
    1        |1/1/14      |12/30/14
    2        |1/1/15      |12/30/15

[code]...

I want a query to join all this tables based on EmployeeID, PeriodID and LeaveTypeID sum of LeaveEntitlement.LeaveEntitlementDaysNumber based on LeaveTypeID AS EntitleAnnaul and AS EntitleSick and sum AssignedLeave.AssignedLeaveDaysNumber based on LeaveTypeID  AS AssignedAnnaul and AS AssignedSick and subtract EntitleAnnaul from AssignedAnnual based on LeaveTypeID  AS AnnualBalance and subtract EntitleSick from AssignedSick based on LeaveTypeID  AS SickBalance

and the table should be shown as below after executing the query

EmployeeID, EmployeeFirstName, EmployeeLastName, PeriodID, PeriodStart, PeriodEnd, EntitleAnnual, AssignedAnnual, AnnualBalance, EntitleSick, AssignedSick, SickBalance

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