Reference Previous Rows
Jun 20, 2006
I am doing some calculations with a table and would like to know how to reference a previous row without having to alter the dates in a query at the start of each month.
For example I have to find a percentage change for a series of values. The table has three columns, is based on end of month dates, and the "return" column is the calculated column where the value is. In the example the return value for date 2006-04-30 is Index of (2006-04-30/ Index 2006-03-31)-1.
Date Index return
2006-03-31 6535 .05130
2006-04-30 6949.29 .06333
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Mar 31, 2015
I have a query that shows me a list of what employees that are on site assuming that employee badged in correctly. My problem is I need to know when an employee has two entries in a row that are "In" without have an "Out" entry.
For example, if John badges in at 8:00 Am and leaves without badging out, when he arrives the next day at 8:00 AM and badges in the system simply would show him as in with no record of him ever leaving correctly.
I am not sure how to return the correct result. Can I formulate a query that would display a Who's In list where the previous entry was NOT and Out?
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Sep 28, 2007
Good morning,
I'm trying to use an existing SQL table to calculate the labour value of products being manufactured.
I was hoping to use a CASE statement with the logic; If the part number of the next row is equal to the part number of current row and the operation number of the next row is greater that the operation number of the current row then take the labour value of this row and add it to the labour value of the next row - does that make sense?
However, to do this I need to be able to query the next (or previous) row of data in the table and I don't know if this is possible.
If anyone knows a simple way (I'm not exactly a SQL whizkid) to do this I'd be most appreciative of your help and advice.
Many thanks,
Paul
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Jun 1, 2006
My question is simple, I'd like to do something I do in Jet ANSI-89 SQL. Mind you I'm just adding numbers here - they are not actual columns in 'SomeTable'
SELECT 1 AS A, 2 AS B, A+B AS C
FROM SomeTable
The Jet engine evaluates and does arithmetic on the Aliased column names - handy when they contain their own functions. The resultset would show:
A B C
1 2 3
However from what I can tell SQL Server 2005 is not picking this up. Is their an equivalent?
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Mar 30, 2008
Dear All
I have a table with the following structure in sql server 2005
create table app(
sno int,
name varchar(50),
add varchar(50),
city varchar(50),
state varchar(50)
)
it contains the follwing data
------------------------------------------
sno name add city state
------------------------------------------
1 mark street no1 newcity newstate
2 mark street no1 newcity newstate
3 mark street no1 newcity newstate
4 mark street no1 newcity newstate
5 mark street no1 newcity newstate
6 mark street no1 newcity newstate
7 mark street no1 newcity newstate
8 mark street no1 newcity newstate
9 mark street no1 newcity newstate
10 mark street no1 newcity newstate
11 mark street no1 newcity newstate
12 mark street no1 newcity newstate
13 mark street no1 newcity newstate
14 mark street no1 newcity newstate
15 mark street no1 newcity newstate
16 mark street no1 newcity newstate
17 mark street no1 newcity newstate
18 mark street no1 newcity newstate
19 mark street no1 newcity newstate
20 mark street no1 newcity newstate
----------------------------------------
I want to retrive previous 5 records, next 5 records and the record that meet the where condition of a select query.
When I run
select sno,add,name,city,state from app where sno=7
I want the following result
------------------------------------------
sno name add city state
------------------------------------------
2 mark street no1 newcity newstate |
3 mark street no1 newcity newstate |
4 mark street no1 newcity newstate | -- previous 5 records
5 mark street no1 newcity newstate |
6 mark street no1 newcity newstate |
7 mark street no1 newcity newstate --- searched record
8 mark street no1 newcity newstate |
9 mark street no1 newcity newstate |
10 mark street no1 newcity newstate |--- next 5 records
11 mark street no1 newcity newstate |
12 mark street no1 newcity newstate |
----------------------------------------
if there is a method to get the above result set, kindly post the query.
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May 13, 2008
Hi,
I have a table like this.
Portfolio
Name
Value
ALL UP
Charge Off
47
ALL UP
CLTV
212
ALL UP
DSR
441
ALL UP
Exc Total
719
ALL UP
FICO
11
I want to add a row to the bottom of the table so that it will give the total of all values above.
It's something like this.
SELECT Portfolio, Name, Value , Total
FROM table
Total is equal to sum of all above values. Can anyone help me to write this query?
Thanks
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May 15, 2008
I have a table like this.
Name Amount
CBank 5
InstLend 4
DTC 1
Now i want write a query which give me the out put like this.
Name Amount
CBank 5
InstLend 4
DTC 1
Total 10
can any one help me to write this please?
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May 19, 2012
I am trying to create a stored procedure where i would like to fetch the next previous and current rows from a particular pagename which is stored in a table with sorting of dateadded
like my products table structure
id
iQty
strProductTitle
strPageName
DtAdded
DtApproved
my dummy records are like
1 13 'PCHDD' 'PCHDD' '2009-12-03 04:32:30.363' '2009-12-04 04:32:30.363'
2 30 'SDRAM' 'SD_Ram' '2009-12-03 04:32:30.363' '2009-12-06 04:32:30.363'
3 12 'Pen Drive' 'Pendrive' '2009-12-03 04:32:30.363' '2009-12-05 04:32:30.363'
4 3 'Note Book' 'NoteBook' '2009-12-03 04:32:30.363' '2009-12-08 04:32:30.363'
5 15 'VIO' 'VIO' '2009-12-03 04:32:30.363' '2009-12-06 04:32:30.363'
6 19 'PS2' 'PS_2' '2009-12-03 04:32:30.363' '2009-12-09 04:32:30.363'
7 31 'PS3' 'PS_3' '2009-12-03 04:32:30.363' '2009-12-02 04:32:30.363'
8 23 'WII' 'WII' '2009-12-03 04:32:30.363' '2009-12-10 04:32:30.363'
9 22 'Speakers' 'Speakers' '2009-12-03 04:32:30.363' '2009-12-16 04:32:30.363'
10 12 'Iphone' 'I_phone' '2009-12-03 04:32:30.363' '2009-12-15 04:32:30.363'
now if i query for a record like
I_phone
i should get
Prv Detail I_pad row
11 23 'Ipad' 'I_pad' '2009-12-03 04:32:30.363' '2009-12-11 04:32:30.363'
Current Detail I_phone
10 12 'Iphone' 'I_phone' '2009-12-03 04:32:30.363' '2009-12-15 04:32:30.363'
Next Record Speakers
9 22 'Speakers' 'Speakers' '2009-12-03 04:32:30.363' '2009-12-16 04:32:30.363'
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Mar 23, 2014
I am working on a rewards program and I have a table whenever customer completes a trip, his total fare,business points earned for that particular trip and respective Promotional points gets inserted.
Now I have a scenario whenever customer business points accumulates to 10 then need to award 3 promotional points.
If Business Points=14 for a single trip then for the first 10 points respective Promo points will be awarded and the remaining 4 points should get carry forward for the next trip and this 4 points should get accumulated with the next trip Business Points and so on.
Basically need to check for every 10 Business points accumulated award some Promo points and carry forward remaining points.
Here is the sample table structure and data :
CREATE TABLE [dbo].[tblRedeems]
(
[Mobileno] [varchar](50) NOT NULL,
[TripNo] [int] NOT NULL,
[CustomerName] [varchar](50) NULL,
[TripEndTime] DATETIME NOT NULL,
[Code] .....
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Nov 16, 2015
is it possible to use the window functions to count the number of rows in the previous 24hours from the current row.
I have a table of events like:
User, TimeStamp, etc...
I want to identify the row which is the event number 50 in the past 24 hours.
does the window functions can do this? and how?
the ROW PRECEDING etc... appear to not have enough feature to support time related function.
Stream-insight is able to create this type of query, but I have to do it directly in SQL.
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May 29, 2008
I've written an asynchronous script component and I have created the output buffer. 500,000 rows go into the input but only 1500 to 2000 rows come out berfore I get an SSIS Object reference not set to an instance of an object Error. The error occurs at the AddRow method of the outputbuffer (that's how I know it's gone). Why does this happen? Is there a way to sync up the output buffer with the input buffer?
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Sep 10, 2013
Need getting a query which I will get previous year, previous month first day everytime i run the query.
Ex: If i run the script on 9/10/2013 then result should be 8/1/2012. (MM/DD/YYYY)
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Sep 10, 2014
I am using vs 2010 to write my dtsx import scripts.I use a script component as a source to create a flat file destination file.Everything have been working fine,but then my development machine crashed and we have to install everything again.Now when i use the execute package utility to test my scripts i get the following error:
Error system.NullReferenceException: Object refrence not set to an instance reference.
In PreExecute section
TextReader = new system.io.streamreader(" file name")
In the CreateNewOutputRows:
dim nextLine as string
nextLine = textReader.ReadLine
[code]...
is there something which i did not install or what can be the error?
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Dec 22, 2007
how can i do this
search between 2 rows
day before Last day of the Previous Month + day Last day of the Previous Month"
Code BlockSELECT empid, basedate, unit_date, shift, na
FROM dbo.empbase
WHERE (basedate = DATEADD(d, - 2, DATEADD(mm, DATEDIFF(m, 0, GETDATE()), 0))) AND (shift = 5)
AND
(basedate = DATEADD(d, - 1, DATEADD(mm, DATEDIFF(m, 0, GETDATE()), 0))) AND (shift = 1)
TNX
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May 2, 2007
Hi. Is it possible in SQL query to find record previous or next in comparison with record found with clause WHERE (example of query below)? I need to find record with ProblemID less than or greater than 10. Regards Pawelek.
SELECT ProblemIDFROM dbo.tblProblemsWHERE (ProblemID = 10)
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Mar 20, 2004
I'm kindof at a lose for how to ask my database to show me the last payment amount and payment date for clients and also show me the previous payment amount and payment date for clients based on a date range.
Could anyone offer any pointers or examples?
Thank you very much.
We could use a very simple table and field setup like this just so you could show an example:
tblClient
Client_ID
tblOrder
Order_ID
Client_ID
tblOrderPayments
Payment_ID
Order_ID
Client_ID
PaymentDate
PaymentAmount
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Jun 7, 2000
Hi Friends
do you have any soluyion or function for last day of Previous Month
thanks
Nilesh
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Jan 25, 2006
I'm not really strong in SQL. My goal is to compare the beginning mileage of a vehicle record with it's previous ending mileage reading. I have something that works, but it feels clunky. I wonder if there is a better method, ie a join. Here's what I have:
SELECT A.Trolley_num, A.Date, A.Speedo_start, A.Speedo_end,
(SELECT B.Speedo_end FROM Daily_Trolley AS B
WHERE B.Trolley_num = A.Trolley_num
AND B.Date =
(SELECT Max(Date) FROM Daily_Trolley AS C WHERE C.Trolley_num = A.Trolley_num
And C.Date < '1/23/2005')) AS PrevSpeedoEnd
FROM Daily_Trolley AS A
WHERE A.Date='1/23/2005'
ps: I inherited this db; I'm aware that "Date" should not have been used as a field name.
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Jul 10, 2006
I have a table of vehicle usage records with fields including vehicle number, driver, date/time, starting odo, ending odo. I'm looking to compare the starting odo of a given record to the ending odo of the last time that vehicle was used. I also need to return other fields from that previous record, like the date/time and driver.My users basically run a report for any given day, and the vehicles used on that day need to be compared to their most recent usage (most recent relative to the record at hand). This is to ensure that the vehicle hasn't been used in the interim and not recorded (which may indicate theft).I've got a very convoluted process in place, but I'd like to see if it can be streamlined. The current process is done in Access and has a number of queries built on other queries. It is very slow. The data is in SQL Server. Any thoughts on the best ways to accomplish this?TIA
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Mar 19, 2007
I have a View there I need my criteria to select 13 months from previous month.
Example. This is 3/1/2007 - I need to query 2/1/2007 to 2/1/2006.
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May 21, 2007
I have a table that holds images. I want to get the previous image id and the next image id based on the current ID:
ImageID
4
21
56
74
99
So if the current image ID is "21" I'd like to return 4 and 56.
Thanks!!
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Sep 28, 2007
Ok so someone answered my last quesiton about finding what tables are in a Stored procedure. Is there an opposite of that. If I wanted to type in a table and it shows all the stored procedures that use that table.
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Dec 5, 2005
Please see DDL and INSERT statements below.Let's say that some process throws out the second row, where theClocktime = '02/01/2005 12:34'Without the use of a cursor, how can I retrieve the PREVIOUS value forthat employee? Pseudo SQL might be something like:SELECT*FROMtblTestWHEREfldCLocktime = THE-ONE-IMMEDIATELY-BEFORE '02/01/2005 12:34'ANDfldEmployeeID = 1TIAEdwardif exists (select * from dbo.sysobjects where id =object_id(N'[dbo].[tblTest]') and OBJECTPROPERTY(id, N'IsUserTable') =1)drop table [dbo].[tblTest]GOCREATE TABLE [dbo].[tblTest] ([fldTestID] [int] IDENTITY (1, 1) NOT NULL ,[fldEmployeeID] [int] NULL ,[fldClocktime] [datetime] NULL ,) ON [PRIMARY]GOINSERT INTO tblTest(fldEmployeeID,fldClocktime)VALUES(1,'01/01/2005 12:34')INSERT INTO tblTest(fldEmployeeID,fldClocktime)VALUES(1,'02/01/2005 12:34')INSERT INTO tblTest(fldEmployeeID,fldClocktime)VALUES(1,'03/01/2005 12:34')
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Jul 20, 2005
How can i calculate the last day of the previous month?Help me,please
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Mar 27, 2008
Has anyone used the 'previous' function to return the previous row of data? I have tried this
=previous(Fields!SomeColumn.value) - when I run the report, no data returns.
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Aug 29, 2007
Newbie question. I am using a query that pulls month-to-date data that has the following where clause:
WHERE (MONTH(datefield) = MONTH(GETDATE())) AND (YEAR(datefield) = YEAR(GETDATE()))
this works just fine but what I would like for it to do is give me the previous month of data if the if it's
the first day of the month and then any other day give me month to date. Is this possible?
Thanks in advance,
Marco
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May 15, 2008
Hi,
I need your help for my SQL query. I have a table like this
ClmA ClmB ClmType
------+------+----------
1 | 10 | 0
2 | 20 | 0
3 | 30 | 1
4 | 40 | 0
5 | 50 | 1
And its the result that i want to get.
ClmA ClmB ClmType ClmResult
------+------+---------+-------
1 | 10 | 0 | 10
2 | 20 | 0 | 30
3 | 30 | 1 | 30
4 | 40 | 0 | 70
5 | 50 | 1 | 80
Let me explain. When retrieving a row, an extra column should be added.It's value should be the sum of previous rows whose type is the same with the encountered one. I made it with a function but it's performance was terible with large tables. I have tables larger then fifty housands rows.
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Oct 28, 2014
I have 3 tables...
JobRequirements (A)
JobID int
QualificationTypeID int
EmployeeQualifications (B)
EmployeeID int
QualificationTypeID int
Employee (C)
EmployeeID int
EmployeeName int
I need to return a list of all employees fit for a specific job ... The criteria is that only employees who have all the JobRequirements are returned. So if a job had 3 requirements and the employee had just 2 of those qualifications, they would not be returned. Likewise, the employee might have more qualifications than the job requires, but unless the employee has all the specific qualifications the job requires they are not included. If an employee has all the job qualifications plus they have extra qualifications then they should be returned...
How to only return those records where all the child records are present in the other table..
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Feb 1, 2007
How to Get previous record thru sql query
For the example
my table:
1 usera item1 1.00 01/02/072 usera item1 2.00 02/02/073 userc item2 3.00 03/02/07
--how to use the query to make them join became like this (get/join with the next record)
1 usera item1 1.00 01/02/07 item1 2.00 02/02/073 userc item2 3.00 03/02/07 null null null
>.<need help ... thanks alot
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Jul 3, 2007
currently have my website that is functional...but would like to add some navigation to my photos which are displayed using a repeater tied to a SQL database. (live example can be viewed here)
the above link shows a gallery page that displays all the photos within a given shoot (using a querystring to display the unique ID of the photo shoot). When you click on one of the images within the shoot a page called is called displaying the selected photo by passing the shoot ID and the unique ID of the photo itself through a querystring.
I would like to add navigation to the page displaying the photo that would allow the user to go to the next photo, previous photo, first and last phot within the specific SHOOT ID.
FirstNextPreviousLast
I am using a repeater to display the photo with the following sqlDataSource:
<asp:SqlDataSource ID="SqlDataSource1" runat="server" ConnectionString="<%$ ConnectionStrings:Connection %>"SelectCommand="SELECT usr_Photos.*, usr_PhotoShoot.* FROM usr_Photos INNER JOIN usr_PhotoShoot ON usr_Photos.Shoot_ID = usr_PhotoShoot.Shoot_ID WHERE usr_Photos.Photo_ID = @ID AND usr_Photos.Shoot_ID = @Shoot"><SelectParameters><asp:QueryStringParameter DefaultValue="" Name="ID" QueryStringField="ID" /><asp:QueryStringParameter DefaultValue="" Name="Shoot" QueryStringField="Shoot" /></SelectParameters>
</asp:SqlDataSource>
I am having trouble figuring out a way to add the functionality i would need to change photos within the specific photo shoot without having to go back to the gallery page. any help or ideas you could point me in would be great...thanks in advance...
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Aug 21, 2007
I use the following sql in a view to return the last payment date and amount made by clients. What I need is a way to return the payment date and amount for the payment prior to the last one.
Any help is appreciated very much,
SELECT dbo.tblPaymentReceipts.Client_ID, dbo.tblPaymentReceipts.PaymentDate AS LastPayDate, SUM(dbo.tblPaymentReceipts.AmountPaid) AS LastPayAmtFROM dbo.tblPaymentReceipts INNER JOIN (SELECT Client_ID, MAX(PaymentDate) AS LastPayDate FROM dbo.tblPaymentReceipts AS tblPaymentReceipts_1 GROUP BY Client_ID) AS A ON dbo.tblPaymentReceipts.Client_ID = A.Client_ID AND dbo.tblPaymentReceipts.PaymentDate = A.LastPayDateGROUP BY dbo.tblPaymentReceipts.Client_ID, dbo.tblPaymentReceipts.PaymentDate
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Nov 2, 2003
I'm wanting to migrate an existing customer's database into a new products db. The previous contractor used seperate tables for each product type, where I chose to use one "products" table.
My challenge has been that the previous db uses attributes that aren't common across all products. Would it be best to do a products_attribute table? If so, how would I query the previous products db and seperate the information during an insert between "product A" and "product A attributes"?
Sample existing table:
ID, Name, Price, Weight, Attr1, Attr2, Attr3, Attr4, Attr5, Attr6
New table: Products
ID (auto), ProductName, Price, Weight
- Products_Attribute table
- ... ?
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Jun 25, 2004
I'm trying to add a next and previous button to a popup window I have on a photo gallery -
Having trouble with the sql
I know I would have 2 select statements that would each return 1 result set.
I know how to get the top ( and bottom by ordering descending and doing Select Top 1)
But how would I get the next one up!
I would hate returning the entire image section and perform the calcuation in the business tier :(
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