Incrementing Based On Condition
Aug 16, 2007
Hi,
I am facing a challenge and hope some one can help me with the query.
I have a school. School have classrooms. Classrooms are divided into various sections (Section A, Section B and so on) . Sections have subsections. Every student is allocated a rollnumber in that section.(Subsection is just for dividng the sections. it has no other use.) Now the student is given a choice to specify his own roll( DesiredRoll) in that section. If two children select the same rollno, then the system internally allocates a trackingno.(There can be multiple roll no as these are allocated manually by admin). Let me demonstrate this:
So when the first entry is made in the db, and let us say that the section to be allocated is A, RollNo is 1 and the DesiredRoll is 1
Student 1 Section A Subsection 1 Roll No 1 DesiredRoll 1 TrackingNo 0
The second entry is made in the db and let us say the section to be allocated is A, RollNo is 2 and the DesiredRoll is 2
Student 2 Section A Subsection 1 Roll No 2 DesiredRoll 2 TrackingNo 0
Now let us say there is a 3rd entry the section to be allocated is A, RollNo is 3 but the DesiredRoll is 1. Now since the DesiredRoll has already been taken, we will allocate the DesiredRoll 1, however now the trackingNo will be 1
Let us say there is a 4th entry is made, the section to be allocated is A, RollNo is 4 but the DesiredRoll is again 1. Now since the DesiredRoll has already been taken, we will allocate the DesiredRoll 1, however now the trackingNo will be 2
Similarly this logic will work for different sections. How will I write a query so that I can detect this scenario and increment the tracking no or allocate a tracking no of 0 if there is a new entry made in that section
The structure of the table is as follows:
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Student]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[Student](
[RID] [int] NOT NULL,
[Class] [int] NULL,
[Section] [char](1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[SubSection] [int] NULL,
[RollNo] [int] NULL,
[DesiredRoll] [int] NULL,
[TrackingNo] [int] NULL
)
END
GO
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (1, 1, N'A', 1, 1, 1, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (2, 1, N'A', 1, 2, 2, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (3, 1, N'A', 1, 3, 1, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (4, 1, N'A', 1, 4, 1, 2)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (5, 1, N'A', 12, 3, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (6, 1, N'A', 12, 4, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (7, 1, N'B', 5, 1, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (8, 1, N'B', 5, 2, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (9, 1, N'B', 5, 3, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (10, 1, N'B', 10, 1, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (11, 1, N'B', 10, 2, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (12, 1, N'B', 10, 3, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (13, 1, N'B', 11, 1, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (14, 1, N'B', 11, 2, 0, 0)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo]) VALUES (15, 1, N'B', 11, 3, 0, 0)
Thanks
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(Format 1234)Account_Number_Instance – Varchar
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When the Account_Number was
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the Account_Number_Instance became,
e.g. 1234-01, etc.
From the ASPX form we
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appropriate number of records were inserted for the Account_Number.
For Example:
Account_Number = 12345Number_of_Records = 4
The result inserted into the
table were as follows:
ID # of Records Acct_Number
New_Num Acct_Number_Instance …
1 4 12345 12345-01
2 4 12345 12345-02
3 4 12345 12345-03
4 4 12345 12345-04
Now, I would like to UPDATE
this table, and based on the original Number_of_ Records (4) I want to ADD, for
Account_Number (1234) add an appropriate Number_of_Instances, beginning with
the next incremental number and adding what the New Number of Records input is…
For Example:
Account_Number = 12345 New_Num(ber_Of Records) = 3
ID # of Records Acct_Number New_Num Acct_Number_Instance …
1 4 12345 12345-01
2 4 12345 12345-02
3 4 12345 12345-03
4 4 12345 12345-04
5 12345 3 12345-05
6 12345 3 12345-06
7 12345 3 12345-07
I
do realize that the next time I have to update this Account_Number I am also
going to have to somehow ADD only one of the #_of_Records and New_Num for the
Acct_Number instances to obtain the next starting number, which in the example
above would be (8)…
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and all suggestions on how to accomplish this would be greatly appreciated!
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tblScore contains score for each problem
id problemID score
------------------------
1 1 10
2 2 30
tblSubmission contains problem submissions for each user
id user problemID accepted
-----------------------------------------------
1 UserA 1 0
2 UserA 1 0
3 UserA 1 1
4 UserA 2 1
5 UserB 1 0
6 UserB 1 1
7 UserB 2 1
For UserA :
- For problemID 1
-> submitted three times
-> rejected for first two submission and accepted on third submission.
- For problemID 2
-> submitted one time
-> accepted on first submission
For UserB :
- For problemID 1
-> submitted two times
-> rejected for first submission and accepted on second submission.
- For problemID 2
-> submitted one time
-> accepted on first submission
Now I would like to process the table and want to get the following result :
user Score
--------------------------
UserA 36 (6 + 30)
UserB 38 (8 + 30)
Explanation :
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- > first two times rejectd
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Similar for UserB.
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Aug 20, 2007
Hi,
I have two tables : Students and StuHistory. The structure of the Student table is as follows :
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[Student]') AND type in (N'U'))
BEGIN
CREATE TABLE [dbo].[Student](
[RID] [int] NOT NULL,
[Class] [int] NULL,
[Section] [char](1) COLLATE SQL_Latin1_General_CP1_CI_AS NULL,
[SubSection] [int] NULL,
[RollNo] [int] NULL,
[DesiredRoll] [int] NULL,
[TrackingNo] [int] NULL,
[Original_rollno] [int] NULL,
[StudentStatus] [int] NULL
)
END
GO
A section has subsections where students are allocated rollno's. Every student has a unique roll no in that subsection. However he is also given a choice to enter his desired roll no. If more than one student choose the same desired roll no in that subsection/section, there is a [TrackingNo] field that then starts keeping a count. For the first unique desired roll no in that subsection/section the tracking no is always 0.
[StudentStatus] represents the following : (-1 for deleted, 0 for edited, 1 for newly inserted).
After every fortnight, i have to run a batchquery that does the following:
1. all students marked with -1 are moved to a table called StuHistory which has the same structure as that of Student.
2. Now oncethe -1 status students are moved, there will be a gap in the roll no. I want to reallocate the rollnos now, where rollnos = desired roll no taking into consideration the trackingno
So if 4 students have chosen the desired roll no as 5 and their current roll no is scattered in a subsection lets say 7, 10, 14,16, then while rearranging they will be together(grouped by subsection/section) and will be allocated roll no's 5,6,7,8. The other students will be moved down based on their desired roll nos. Over here i have to also fill the gaps caused because of the students who were deleted.
How do i write query for this? I have been struggling.
I thought of posting this as a new post as it was mixed in the previous post.
Script :
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (1, 1, N'A', 1, 1, 1, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (2, 1, N'A', 1, 2, 2, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (3, 1, N'A', 1, 3, 1, 1,0,1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (4, 1, N'A', 12, 1, 1, 0,-1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (5, 1, N'A', 12, 2, 1, 1, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (6, 1, N'A', 12, 3, 2, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (7, 1, N'B', 5, 1, 3, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (8, 1, N'B', 5, 2, 3, 1, 0 ,1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (9, 1, N'B', 5, 3, 3, 2, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (10, 1, N'B', 5, 4, 2, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (11, 1, N'B', 5, 5, 2, 1, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (12, 1, N'B', 10, 1, 1, 0, 0, 1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (13, 1, N'B', 10, 2, 1, 1, 0, 1 )
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (14, 1, N'B', 10, 3, 1, 2, 0, -1)
INSERT [dbo].[Student] ([RID], [Class], [Section], [SubSection], [RollNo], [DesiredRoll], [TrackingNo], [Original_rollno], [StudentStatus] )
VALUES (15, 1, N'B', 10, 4, 2, 0, 0, 1)
Thanks.
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I have a question about SQL Server.
Table patient:
create table patient (pn int,code int,date date,doctorcode int)
insert into patient (pn,code,date,doctorcode)
values
(1,10,'2015-02-19','100),
(1,10,'2015-02-19','101),
(1,10,'2015-02-19','102),
[Code] ...
Table Patientref:
create table patientref
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insert into patientref(pn,code,sdate,edate,status)
values
(1,10,'2015-02-13','2015-02-19',1),
(1,10,'2015-02-19','2015-03-24',2),
[Code] ...
Here we need consider patient dates that fall between sdate and edate of the patientrefs table, and then we need to consider the highest status values in order (for example, the highest values in order - 2 is first highest, 4 is second highest, 3 is third highest, and 1 is fourth highest value)
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Examples: patient
pn | code | date | doctorcode
2 | 10 |2015-02-12 | 101
2 | 10 |2015-02-13 | 102
2 | 10 |2015-02-14 | 103
Table : Patientref:
pn | code | sdate | edate | Status
2 | 10 |2015-02-08 | 2015-02-19 | 4
2 | 10 |2015-02-09 | 2015-02-19 | 2
2 | 10 |2015-02-10 | 2015-02-19 | 2
2 | 10 |2015-02-11 | 2015-02-18 | 1
Here, pn=2 values have dates which fall between sdate and edate of patientref table. Then we give highest values status is 2, and status 2 values have two records, then we go for max sdate(latest sdate). Then this pn=2 latest sdates is 2015-02-10 and we need to retrieve the corresponding edate and status values.
pn = 4donot have sdate and edate and status values dut not fall conditon
Based on this, the desired output is below:
pn | code | date | doctorcode | sdate |edate |status
1 | 10 |2015-02-19 | 100 |2015-02-19 |2015-03-24 | 2
1 | 10 |2015-02-19 | 101 |2015-02-19 |2015-03-24 | 2
1 | 10 |2015-02-19 | 102 |2015-02-19 |2015-03-24 | 2
2 | 10 |2015-02-12 | 101 |2015-02-10 |2015-02-19 | 2
[Code] ...
I tried it like this:
select p.pn,p.code,p.[date],p.doctorcode,pr.sdate,pr.edate,pr.[status] from patient p
outer apply (select top 1 pr.pn,pr.code,pr.sdate,pr.edate,pr.[status] from patientref pr
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order by case when pr.status=2
then 1 when pr.status=4 then 2
when pr.status=3 then 3
when pr.status=1 then 4 end ,pr.sdate
)pr
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Hi,
I have a table as follows
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Table Master
{
Id cat1 cat2 cat3 cat4
-----------------------------------------------
1 d11 null d13 d14
2 d21 d22 d23 d24
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table1.column_description1
FROM database_001.table2 table1 LFET OUTER JOIN database_001.table2 table1 on (table2.column_code1 = table1.column_code1)
From this query, its returning me a result set of something like below:
--------------------------------------------------------------------------------------------------
column_code1 column_description1 column_code2 column_description2
--------------------------------------------------------------------------------------------------
RO1 BOOK RL1 PDF/ECOPY
RO2 PAPER RL2 CONFERENCE
RO5 JOURNAL RL11 OTHER
Now, on the above query I want to insert three extra columns with the name (status, location and contact) where the results in the extra three columns would be based on the conditions I want to define in the query based on the above results…
Something for example (I am not trying to write a condition: my question is how to write it),
if column_code1 = RO1 and column_description2 = PDF/ECOPY on status column it should return a value ‘ONLINE’ & on location column it should return ‘WEB’ and on contact column it should write ‘BOB’.
Also, if column_code1 = RO5 and column_description1 = JOURNAL on status column it should return a value ‘ON PRESS FOR PRINT’ & on location column it should return ‘S.R STREET, LONDON’ and on contact column it should write ‘SMITH’ like below result…so the final output should be the top four columns and the extra three columns…
See the attachment for better formatting...
---------------------------------------------------------------------------------------------
status location contact
---------------------------------------------------------------------------------------------
ONLINE WEB BOB
ON PRESS FOR PRINT S.R STREET, LONDON SMITH
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Sep 15, 2015
Lets say I have a set of columns as follows:
Table.Name - Table.ID - Table.Code
I want to write a query that will cycle through the results and if it comes across another record that has a matching Table.ID I want to exclude that row from the result set.
I am not all too familiar with how to use either a Case or If..Else Statement within a Sql statement that would accomplish this.
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Feb 18, 2014
I have written a merge Statement where i am facing trouble to delete the data basing on Where Clause Condition.
1) Case 1 : For example i have inserted Data from Source to Target based on Date Key Condition.Take an Instance 10 Records Inserted.
2) Case 2 : For example some changes in the records and it has been updated through the Merge Statement .
3) Case 3 : For the Same Date key based on Conditions now three records has came and need to be inserted and rest should be deleted for that Date Key.
How i need to proceed on this before 10 records are not getting deleted and new records adding for that one
My Example Code :
MERGE INTO TargetTable AS Target
USING (
SELECT DISTINCT Col1,
Col2
FROM Table1 AS cga
)
ON dad.AnchorDate = CASE
[Code] ....
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Sep 29, 2015
How do I get the below scenario:
EmpID DepID
12 2
17 3
17 2
13 3
Every Employee should be in Department 2 and 3 (as example EmpID = 17 has DepID 2 and 3 from above table). But when any of the employees either exists only in any one department (as EmpID = 12 has only DepID = 2), then a new row should be added to the table for that employee with that missing DepID.
Desired Output:
EmpID DepID
12 2
17 3
17 2
13 3
12 3
13 2
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Jun 14, 2006
Hi
I have a source table with App_Id, App_Type , Tier_Type, Date_Id as columns. I have a destination table with Date_Id, Total_App_Count, Booked_App_Type_Count, Approved_App_Type_Count columns.
I need to count the Total number of records , count of records with App_Type = "Booked" and count of records with App_Type = "Approved" and populate in my destination table.
What all the steps i need to create in SSIS to get this results ?
Thanks
Kumaran
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Aug 29, 2007
Hi,
I have a subreport added to the main report and I want to make this report visible only when the parameter value is met.
Ex, I have a parameter CustName in the main report and want to show the subreport when the custName = xxxxx. There reports are parameter driven not data driven reports.
Any help is greatly appreciated.
Thanks,
Sirisha
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Aug 10, 2015
I have table that contains below data
CreatedDate ID Message
2015-05-29 7:00:00 AOOze abc
2015-05-29 7:05:00 AOOze start
2015-05-29 7:10:00 AOOze pqy
2015-05-29 7:15:00 AOOze stop
2015-05-29 7:20:00 AOOze lmn
and so on following the series for every set of same ID with 5 entries for each ID
I need to Find Maximum interval time for each ID and for condition in given message (between message like Start and Stop) I used below query and it works fine
select Id, max(CreatedDate) AS 'MaxDate',min(CreatedDate) AS 'MinDate',
DATEDIFF(second,min(CreatedDate),max(CreatedDate)) AS 'MaxResponseTimeinSeconds' from Table where Id in (
SELECT distinct Id
from Table
where Message like 'stop')
group by Id
Above query displays max response time for ID A00ze as 20 minutes, but stop message has occured at 7.15. I would need to modify the query to return max response time as 15 min(from 7.00 to 7.15).
Difference of starttime(where A00ze id started) and stoptime(where stop string is found in message).
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Oct 3, 2007
i have the folowing databases DB1,DB2,DB3,D4,DB5........
i have to loop through each of the databases and find out if the database has a table with the name 'Documents'( like 'tbdocuments' or 'tbemplyeedocuments' and so on......)
If the tablename having the word 'Documents' is found in that database i have to add a column named 'IsValid varchar(100)' against that table in that database and there can be more than 1 'Documents' table in a database.
can someone show me the script to do it?
Thanks.
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Aug 28, 2007
Hi,
I have the following scenario :
CustomerDetail
customerid
customername
status
app_no
[status = 0 means customer virtually deleted]
CustomerArchive
archiveno [autoincrement]
customerid
customername
status
At the end of the month, I have to physically delete customers. I have written two stored procs:
proc1
create proc spoc_startdeletion
as
declare @app_no int
select @app_no = (select app_no from customerdetail where status=0)
EXEC spoc_insertcustomerarchive @app_no
-- After transferrin, physically delete
delete from customerdetail where status=0
proc2
create proc spoc_insertcustomerarchive
@app_no int
as
insert into customerarchive(customerid,customername,status)
select customerid,customername,status from customerdetail where app_no = @app_no
It works fine if there is only one row with status=0, however the problem is that when there are multiple rows in customerdetail with status=0, it returns 'Subquery returned more than one value'
How can i transfer multiple rows one by one from the customerdetail to customerarchive and then delete the rows once they are transferred.
Vidkshi
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Sep 21, 2007
Hi,
I have at table as foolows
Table Cat3
{
ID,
Update datetime
}
and also have a master table as follows
Table Master
{
ID,
Cat1 Datetime,
Cat2 datettime
}
My requirement is to alter themaster table schema i.e to add a column with the name as of the table name i.e Cat3 and will lok lie as foolows
Table Master
{
ID,
Cat1 Datetime,
Cat2 datettime,
Cat3 Datetime
}
I would like to insert the data to this column. The sample output is as follows
Before insertng the data of table ;Cat3' into the Master table
Table Master
{
Id Cat1 Cat2
---------------------------------
1 D1 D2
2 D2 NULL
3 D3 D4
}
And The Cat3 table data is as follows
Table Cat3
{
ID Update
--------------------------
1 D5
3 D6
4 D7
}
The final putput of the master table should be as follows
Table Master
{
Id Cat1 Cat2 Cat3
------------------------------------------------------
1 D1 D2 D5
2 D2 NULL NULL
3 D3 D4 D6
4 NULL NULL D7
}
Can any one please let me know the query to achieve this
Thank you very much for your time and support
~Moahn
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Sep 3, 2015
I have a requirement in Power Pivot where I need to show value based on the Dimension Column value.
If value is Selling Price then Amount Value of Selling Price from Table1 should display, if Cost Price then Cost Price Amount Should display, if it is Profit the ((SellingPrice-CostPrice)/SellingPrice) should displayMy Table Structure is
Table1:-
Table2:-
My Report Output should be look like
If tried the below option:-
1. Calculated Measure:= If(Table[Category]="CostPrice",[CostValue],If(Table1[category]="SellingPrice",[SalesValue],([SalesValue]-[CostValue]/[SalesValue])))
*[CostValue]:=Calculate(Sum(Table1[Amount]),Table1[Category]="CostPrice")
*[Sales Value]:=Calculate(Sum(Table1[Amount]),Table1[Category]="SellingPrice")
Tried this in both Calculated Column and Measure but not giving me required output.
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Feb 16, 2005
Can someone give me a clue on this. I'm trying to insert values based off of values in another table.
I'm comparing wether two id's (non keys in the db) are the same in two fields (that is the where statement. Based on that I'm inserting into the Results table in the PledgeLastYr collumn a 'Y' (thats what I want to do -- to indicate that they have pledged over the last year).
Two questions
1. As this is set up right now I'm getting NULL values inserted into the PledgeLastYr collumn. I'm sure this is a stupid syntax problem that i'm overlooking but if someone can give me a hint that would be great.
2. How would I go about writing an If / Else statement in T-SQL so that I can have the Insert statement for both the Yes they have pledged and No they have not pledged all in one stored proc. I'm not to familar with the syntax of writing conditional statements within T-SQL as of yet, and if someone can give me some hints on how to do that it would be greatly appriciated.
Thanks in advance, bellow is the code that I have so far:
RB
Select Results.custID, Results.PledgeLastYr
From Results, PledgeInLastYear
Where Results.custID = PledgeInLastYear.constIDPledgeInLastYear
Insert Into Results(PledgeLastYr)
Values ('Y')
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