T-SQL (SS2K8) :: Set Value Based On Previous Row
Apr 11, 2014
I am trying to code a rule at the moment which sets a value based on the value of the previous row. This is as far as I have got so far. I am trying to run it as a set based command and I believe I may need to make use of a numbers table.
Anyway the code is....
declare @data table
(ID int identity(1,1),
DeviceID int,
EventTypeID int,
EventID int)
[Code] ....
So the output is currently incorrect. Each DeviceID needs to have a ID assigned to the MIN(ID) which isn't yet in the code above. This ID has to be sequential across the full table and not dependent on ID.
Next the rule is coded in the case statement above.
So for each DeviceID, when the EventType goes from 1, 2 or 4, to 0 or 3, the following record after the 0 or 3 will have a new EventID. And conversely when the EventType goes from 0 or 3 to 1,2, or 4, the record that is the 1, 2 or 4 will have a new EventID.
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Jul 2, 2014
I am novice to intermediate writer of T-SQL. Here is my current Query:
SELECT [FISCALYEAR],
[ACCTPERIOD],
SUM([ACTIVITYDEBIT]) AS TrialBalanceDebit,
[POSTINGTYPE]
FROM [dbo].[TB_Lookup]
WHERE [POSTINGTYPE]='Profit & Loss'
GROUP BY [FISCALYEAR],[ACCTPERIOD], [POSTINGTYPE]
ORDER BY acctperiod ASCand this is what is produces.
FISCALYEARACCTPERIODTrialBalanceDebitPOSTINGTYPE
2014 201401 282361372.13000 Profit & Loss
2014 201402 227246272.86000 Profit & Loss
2014 201403 315489534.33000 Profit & Loss
2014 201404 287423793.76150 Profit & Loss
2014 201405 256521290.76000 Profit & Loss
2014 201406 65582951.30000 Profit & Loss
Now I need a way to add another field that takes the TrialBalanceDebit from current ACCTPERIOD and adds it to the Previous ACCTPERIOD TrialBalanceDebit.
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Sep 16, 2014
I need to compare the next row with the previous row of same table and produce nonidentical column.for eg... say my table has
Row 1 => 1001 Abhas 120 150 180
Row 2 => 1001 Abhas 150 150 180
then my output would be as below:
StudId Name fee1 fee2 fee3
1001 120
1001 Abhas 150 150 150
i.e in first row of resultset, i want to show only those values which are changed alongwith studID and next row should display all values.
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Oct 20, 2014
I am having a table which contains data of students like:
StudentID,StudentName,Term,RESult.
Sample data :
StudentID,StudentName,Term,RESult.
1,ABC,Term1,Pass
1,ABC,Term2,Fail
1,ABC,Term3,Pass
1,ABC,Term4,Pass
1,ABC,Term5,Pass
Now i want to compare Result and dislay prevterm where student fail:
Now my output would be as: Now I want to compare latest term i.e. Term5 with prev Terms and if found Mismatch in result then i want to display as below:
studentID PrevFailTerm, CurrentTerm
1,Term2,Term5
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Feb 25, 2015
I've tried all sorts of code i.e. cross apply, running totals, etc. Cannot get this to work. I am trying to add a previous row value but only doing it for each group.
Source records
DECLARE @tbl table (Item int, Sequence int, StartTime datetime, Duration int)
INSERT INTO @tbl (Item,Sequence,StartTime, Duration) VALUES (1,1,'2/25/2015 12:00 am',10),(1,2,null,20),(1,3, null,22),(2,1,'2/25/2015 1:00 am',15),(2,2,null,30),(2,3, null,45),(2,4, null,5)
select * from @tbl
ItemSequenceStartTimeDuration
1102/25/15 0:0010
12null 20
13null 22
2102/25/15 1:0015
22null 30
23null 45
2 4 null 5
I would like to set the start time of the next row to be equal to the previous row time + duration. I know the start time of each group of 'Items' when the 'Sequence' number = 1. The last 'duration' value in the group would be ignored.
My expected output would be:
ItemSequenceStartTimeDuration
1102/25/15 0:0010
1202/25/15 0:1020
1302/25/15 0:3022
2102/25/15 1:0015
2202/25/15 1:1530
2302/25/15 1:4545
2402/25/15 2:305
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Aug 22, 2014
How do I get first day of last month of previous quarter from today's date? I know my question is little confusing. I need to get 06/01/2014 using t-sql.
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Nov 4, 2015
I want to find previous date from selected date. below is the sample data.
DECLARE @StartDate SMALLDATETIME = '1/11/2016'
declare @tempdat table(repdate smalldatetime)
insert into @tempdat values ('10/26/2015')
insert into @tempdat values ('10/29/2015')
insert into @tempdat values ('11/1/2015')
insert into @tempdat values ('11/27/2015')
insert into @tempdat values ('11/25/2015')
insert into @tempdat values ('11/20/2015')
insert into @tempdat values ('11/10/2015')
insert into @tempdat values ('11/10/2015')
insert into @tempdat values ('11/11/2015')
insert into @tempdat values ('11/11/2015')
Now if i pass the date '10/26/2015' then i want select prev date of passed date. in this example no prev date is available, so result set would be nothing.
if i pass the date '11/10/2015' then result should be '11/1/2015' which is prev small date available in table.
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Mar 4, 2014
How can I calculate and return the previous Date at 18:00 Hours?
Here is a miserable attempt:
DECLARE @RunDate SmallDateTime
DECLARE @CurrentDate SmallDateTime
DECLARE @RunDateWoTime SmallDateTime
SET @CurrentDate = GETDATE()
SET @RunDate = DATEADD(day,-1,@CurrentDate)-- AS CurrentDate
SELECT @RunDate AS RunDate
-- Desired Result is the following:
-- 2014-03-03 18:00
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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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Sep 29, 2014
I am working in sqlserver 2008 R2 and below is my sample research query. I am trying to get previous 6 months data.
WITH CutomMonths
AS (
SELECT UPPER(convert(VARCHAR(3), datename(month, DATEADD(MM, DATEDIFF(MM, 0, GETDATE()) - N, 0)))) Month
,DATEADD(MM, DATEDIFF(MM, 0, GETDATE()) - N, 0) startdate
,DATEADD(MM, DATEDIFF(MM, 0, GETDATE()) - N + 1, 0) enddate
FROM (
VALUES (1)
[Code] ...
Current output what i am getting:
Expected Output:
I found why the April month i didn't get the $20 because the startdate of my perks CTE '2014-04-03'. If it is '2014-04-01' then i will get the expected output.
But i should not change the the date on perks. How to neglect this date issue and consider the month instead to get the expected output.
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Jan 11, 2005
I'm storing records that contain a date/time data type. I am needing two links on a reports page (asp), the first should return all records for the current month and the second link should return all records for the last three months (including current month). I have no idea how to just sort by month.
I'm also not sure what to include here in this post to help you answer my question. On the form that is submitted initially the text field is named "txtSubmitDate" and in the database it's stored in a field called "submitdate" and is 8 characters in length.
I've tried:
'SELECT TODAY'S MONTH
SqlJunk = "SELECT * FROM eom WHERE MONTH(submitdate) = MONTH(GETDATE())-1"
'SELECT TODAY'S MONTH and the last 2 months
SqlJunk2 = "SELECT * FROM eom WHERE MONTH(submitdate) = MONTH(GETDATE()) OR MONTH(submitdate) = MONTH(GETDATE())-1 OR MONTH(submitdate) = MONTH(GETDATE())-2 ORDER BY submitdate ASC"
These are not working because it can't handle the change in year (going from january 2005 back to december 2004, etc).
Any ideas?
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Jul 6, 2014
I am pretty new to SQL and facing difficulties with a current problem.
I have a list of customers and a sequence of events they have triggered . I know the sequence in which these events have been triggered and only want to increment a value when a new event is triggered (value to remain the same if the event is the same). I have come close to a solution with Dense_rank but the problem here is that the ranking doesn't reset if the same even previously triggered is triggered a bit later in the sequence. see below an example of current results and expected results:
Customer ID,Sequence ID,event,current result,expected result
1,1,A,4,1
1,2,A,4,1
1,3,B,3,2
1,4,C,2,3
1,5,A,4,4
1,6,A,4,4
1,7,E,1,5
1,8,D,5,6
2,1,B,3,1
2,2,C,2,2
2,3,C,2,2
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Dec 2, 2014
I'm trying to only show yesterday's data based on a date that is stored as a varchar. I converted it to smalldatetime but I'm getting an error that says "Conversion failed when converting date and/or time from character string." I don't know how I have to alter the conversion.
Here is my code:
CONVERT(varchar(20), CONVERT(date, CONVERT(varchar(8), date_added), 112),110) = dateadd(day,datediff(day,1,GETDATE()),0)
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Feb 17, 2008
i'd like to use ssis on a certain project but am concerned that one of my transformations needs lookup results to be based on actions taken on previous lookups and that the toolkit doesnt really offer something like that.
so, i have a dataflow whose first component extracts certain kinds of data from an xml document.
each row returned by the latter needs a lookup but the results of that lookup may dictate a certain kind of update. The next row's lookup may need to be influenced by the previous row's update.
So I think I have two challenges, 1) combining a lookup and update, 2) making sure the buffer architecture completes one lookup and update before the next lookup begins.
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Mar 25, 2014
I'm trying to write some T-SQL to return the previous even numbered month and appropriate year from given date.
Examples given:
03-25-2014 should return 02-xx-2014
01-01-2014 should return 12-xx-2013
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Mar 16, 2015
I've SSRS sales report to which I need to pass the dates for previous month's start date and end date which I am able to pass using below code. However, since the sales report has data from the past year(2014) I need to pass the dates for last year as well. The below code gives StartDate1 as 2015-02-01 and EndDate1 as 2015-02-28. I need to get the dates for past year like 2014-02-01 as StartDate2 and 2014-02-28 as EndDate2
SELECT DATEADD(MONTH, DATEDIFF(MONTH, '19000201', GETDATE()), '19000101') AS StartDate1,
DATEADD(MONTH, DATEDIFF(MONTH, '19000101', GETDATE()), '18991231') AS EndDate1
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Jan 18, 2007
I need to write a t-sql query that will take the value of the previousrecord into consideration before calculating the current row's newcolumn value...Here's the situation...I have a query which return the following table structure...Full_Name Points----------------- ------------Name1 855Name2 805Name3 800Name4 775Name5 775Name6 741etc.... etc...I need to create a calculated column that tells me where the personranks in point position. The problem i run into is that in thesituation where two or more people have the same point value i need thecalculated rank column to display the same rank number (i.e. 4th orjust "4") I'm not sure how to to take into consideration the previousrow's point value to determine if it is the same as the current onebeing evaluated. If i new they were the same i could assign the samerank value (i.e. 4th or just "4").If any one has any insight that would be great.ThanksJeremy
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Jul 25, 2015
Below is the resultset I got using the following SQL statement
SELECT ROW_NUMBER() OVER (PARTITION BY ID ORDER BY create_date DESC) AS RowNum
,ID
,create_date
,NULL AS end_date
FROM dbo.Table_1
Resultset:
RowNum ID
create_date end_date
1 0001
2015-02-18 NULL
2 0001
2014-04-28 NULL
[Code] ....
Now, I want to update the end_date column with the create_date's values for the next row_number. Desired output is shown below:
RowNum ID
create_date end_date
1 0001
2015-02-18 NULL
2 0001
2014-04-28 2015-02-18
[Code] ....
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Aug 21, 2015
I have a scenario to compare previous records based on each ID columns. For each ID, there would be few records, I have a column called "compare", We have to compare all Compare 1 records with Compare 0 Records. If Dt is lesser or equal to comparing DT, then show 0. Else 1
We always only one Compare 0 records in my table, so all compare 1 columns will compare with only one row per ID
My tables look like
Declare @tab1 table (ID Varchar(3), Dt Date, Compare Int)
Insert Into @tab1 values ('101','2015-07-01',0)
Insert Into @tab1 values ('101','2015-07-02',1)
Insert Into @tab1 values ('101','2015-07-03',1)
Insert Into @tab1 values ('101','2015-07-01',1)
Insert Into @tab1 values ('101','2015-06-30',1)
Insert Into @tab1 values ('102','2015-07-01',0)
Insert Into @tab1 values ('102','2015-07-02',1)
Insert Into @tab1 values ('102','2015-07-01',1)
select * from @tab1
1.) In the above scenario for ID = '101', we have 5 records, first record has Compare value 0, which mean all other 4 records need to compare with this record only
2.) If Compare 1 record's Dt is less or equal to Compare 0's DT, then show 0 in next column
3.) If Compare 1 record's Dt is greater than Compare 0's DT, then show 1 in next column
My expected result set should be like ....
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Jan 14, 2015
My goal is to update the "PriorInsert" field with the "DateInserted" from the previously inserted record where the WorkOrder, MachineNo, and Operator are all in the same group.
While trying to get to the correct previous record, I wrote the query below.
P.S. The attached .txt file includes a create and insert tbl_tmp sampling.
select top 1
a.ID,
a.WorkOrder,
a.MachineNo,
a.Operator,
a.PriorInsert,
[code]...
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Nov 3, 1999
I do appreciat your help, I want to run a store procedure which will show 6 months . I do not know how to write the procedure, here in the notion in my mind, I want to be able to pass an input parameter (month) to the procedure which will then run a query to show 6 months prior the input parameter month, how can I do that, thanks for your help
Ali
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Apr 24, 2015
I am pulling down out of range values from a single table on one database to a different table on a different database on a different server (one i have full access to). Basically, it looks something like this:
id1 value1 prev_value1 value2 prev_value2 date prev_date
id2 value1 prev_value1 value2 prev_value2 date prev_date
id3 value1 prev_value1 value2 prev_value2 date prev_date
all the "prev"'s are null. I want to do one do one query that will get me the previous values and dates for each id from the original database. how to do this.
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Jul 7, 2015
I have a data that with month values ranging from jan 2012 till july 2013 with some values associated with it.
I want to generate months automatically after july 2013 till december 2013 in sql something like the below one:
Is there a way in sql to do this?
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Jul 28, 2014
I need to get previous month data in the table based on current date.
In case of execution of each month, the data for previous month should come with date as between
create table TestDate
(Sno Int,
Name varchar(100),
DateofJoin datetime)
insert into TestDate values (1,'Raj', '2/21/2014')
insert into TestDate values (1,'Britto', '6/12/2014')
insert into TestDate values (1,'Kumar', '5/14/2014')
insert into TestDate values (1,'Selva', '6/27/2014')
insert into TestDate values (1,'Ravi', '5/2/2014')
insert into TestDate values (1,'Gopu', '6/2/2014')
/*
if I execute in month July ( ie: today)
select * from TestDate where dateofjoin between 1-june-2014 and 30-june-2014
Result
5 Ravi 2014-05-02 00:00:00.000
3 Kumar 2014-05-14 00:00:00.000
if I execute in month June
select * from TestDate where dateofjoin between 1-may-2014 and 30-may-2014
Result
6Gopu2014-06-02 00:00:00.000
2Britto2014-06-12 00:00:00.000
4Selva2014-06-27 00:00:00.000
/*
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Jan 21, 2015
I have a table with score info for each group, and the table also contains historical data, I need to get the ranking for the current week and previous week, here is what I did and the result is apparently wrong:
select CurRank = row_number() OVER (ORDER BY cr.CurScore desc) , cr.group_name,cr.CurScore
, lastWeek.PreRank, lastWeek.group_name,lastWeek.PreScore
from
(select group_name,
Avg(case when datediff(day, asAtDate, getdate()) <= 7 then sumscore else 0 end) as CurScore
[Code] ....
The query consists two parts: from current week and previous week respectively. Each part returns correct result, the final merged result is wrong.
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Aug 1, 2014
I have a table with Million plus records. I have been able to calculate the Trial_Balance for all months.
Now I am trying to provide a Beginning Balance for all months and the Logic is the Beginning Balance of July would be the Trial_Balance of June. I thought I could just do a self Join but this is not working.
UPDATE dbo.TrialBalance
SET Beginning_Balance_Debit = B.Trial_Balance_Debit
FROM (SELECT DATEADD(month, -1, Calendar_Month) AS PrevCalMonth,Trial_Balance_Debit
FROM dbo.TrialBalance) AS B INNER JOIN dbo.TrialBalance A
ON b.PrevCalMonth=A.Calendar_Month
[Code] ....
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Jun 22, 2014
Currently I have the below style data:
Name, StartPostion, EndPosition, Height
Person1, 10, 15, 5
Person2, 14,14,0
Person3, 20,21,1
What I am looking to do is, run through my table of data and create a record for each Name for each Position it takes up. For example
For Person1 the data will look like,
Name, StartPosition, EndPosition, Heigh, Position
Person1, 10,15,5, 10
Person1, 10,15,5, 11
Person1, 10,15,5, 12
Person1, 10,15,5, 13
Person1, 10,15,5, 14
Person1, 10,15,5, 15
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Mar 14, 2014
Let's say the first row returned has StartDate = 1/1/2014 and EndDate is 1/2/2014. The next row I want the StartDate to equal the previous row EndDate so it would be 1/2/2014 as StartDate. This compounds every row basically the third row StartDate would be the second row EndDate. All in one select statement if it can be done. Using SQL2008r2.
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Mar 6, 2014
I have two columns which needs to repeat based on ID and number of distinct rows in that ID.
ID Date Created
1 1/1/2012 Sudheer
1 1/2/2013 Sudheer
1 3/3/2013 Sudheer
2 1/2/2014 Veera
2 2/5/2015 Veera
Results
ID Date Created Date Created Date Created
1 1/1/2012 Sudh 1/2/2013 Sudh 3/3/2013 Sudh
2 1/2/2014 Veera 2/5/2015 Veera
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Apr 17, 2014
I have a scenario where i need to get the starting and ending date time based on the crieteria. The criteria is I always have my start date as NS or GS in the data column and my end date as GX so i need NS or GS to be my strart date based on ts Ascending and my end date as GX to be displayed in the same columns .
Create Table Test
(Tsq INT IDENTITY (1,1),
Data Varchar (150),
ts datetime,
Tpkt_type int)
insert into test values ('GS,000020,000021,000022,000023','2013-11-13 09:47:35.963','2')
[code]....
Expected Output
---------Data----------------- ts as starttime--------------tpkt_type------data-----------------------ts as endtime--------tpkttype-
'GS,000020,000021,000022,000023','2013-11-13 09:47:35.963','2' 'GX,1,0000000000000000000000000','2013-11-13 09:47:37.007','4'
'GS,000020,000021,000022,000023','2013-11-13 09:50:25.987','2', 'GX,1,0000000000000000000000000','2013-11-13 09:50:40.920','4'
'GS,000020,000021,000022,000023','2013-11-13 09:51:28.330','2', 'GX,1,0000000000000000000000000','2013-11-13 09:51:43.257','4'
'NS,000020,000021,000022,000023','2013-12-17 16:51:09.063','18', 'GX,1,0000000000000000000000000','2013-12-17 16:51:15.257','4'
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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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Sep 3, 2014
I am working on a report and the data source is Teradata. now I have situation where I want to get order id details based on the current quarter and year I am posting this same data. For TD related queries I do not where to post.
ACCT_ID ACCT_NMORD_NBRORD_DT ORD_AMT_USD
595709114ASDASD444447/28/2014 546
2224809440ASDASD444445/2/2012 546
1724031572ASDASD444446/22/2011 546
1702887651ASDASD444447/3/2014 546
1724020508ASDASD444447/16/2012 546
1148151895ASDASD444449/18/2013 546
2125154824ASDASD444449/2/2014 546
1503552723ASDASD4444412/20/2011 546
2224689808ASDASD4444410/4/2010 546
931387698ASDASD4444412/31/2010 546
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Nov 17, 2014
I have 57 tables, 7 views and 1 stored procedure. Just wanted know based on these requirements how can I find the size of the database. Though the DB contains lots of tables, views and procedures. I am moving these details to new DB server. So I need to put right requirements.
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