T-SQL (SS2K8) :: Calculate Sum Of Dates Minus Repetitive Dates
Jul 18, 2014
Today I have got one scenario to calculate the (sum of days difference minus(-) the dates if the same date is appearing both in assgn_dtm and complet_dtm)/* Here goes the table schema and sample data */
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[temp_tbl]') AND type in (N'U'))
DROP TABLE [dbo].[temp_tbl]
GO
CREATE TABLE [dbo].[temp_tbl](
[tbl_id] [bigint] NULL,
[cs_id] [int] NOT NULL,
[USERID] [int] NOT NULL,
[code]....
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Nov 4, 2015
I want to display week between two dates as below.
requirement is as:
suppose there are two dates.(which will comes dynamically, so no. of weeks varied)
10/20/2015 and 01/01/2016
Now between this two dates, i want to calculate number of weeks on another date which is coming from table.
Say for example the column date is coming as 10/23/2015 then it will fall in week-1
Same way if 11/01/2015 falls in week2.
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Feb 28, 2015
I have a table that has hotel guests and their start stay date and end stay date, i would like to insert into a new table the original information + add all days in between.
CREATE TABLE hotel_guests
(
[guest_name] [varchar](25) NULL,
[start_date] [date] NULL,
[end_date] [date] NULL,
[comment] [varchar](255) NULL
[code]...
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Aug 1, 2000
I'm kinda stumped....
How would one find the first and and last date in a date range defined by a DATEPART, regardless of the parameter?
For Example...
DATEPART(wk,7/31/2000) would return 7/30/2000 and 8/5/2000
DATEPART(qq,7/31/2000) would return 7/1/2000 and 9/30/2000
DATEPART(yy,7/31/2000) would return 1/1/2000 and 12/31/2000
TIA,
Charles
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Oct 18, 2006
Hi, i'm trying to calculate the number of days between two dates, but within an UPDATE statement, so far I can't wrap my head around how I can update a field with the number of days.
I was thinking something like
Code:
Update #ClaimMaster
Set covered_days = (then insert select statement that subtracts the two dates)
Does that make any sense?
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Sep 9, 2014
How can we calculate the difference between two dates (years, months and days)
example:
between '01 / 01/2011 'and '05 / 04/2014' I would have years, months and days
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Aug 27, 2012
I have already seen stored procedures that can calculate a difference in dates, excluding the weekends. Any extension of such a SQL query to exclude not only weekends, but other dates as well. We have a table of "holidays" (not necessarily standard holidays), and I am wondering if there is a way to exclude them from the calculation.
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Sep 4, 2015
I have a table with appdt as first appointment date and the another record for the same customer# has follow up appointment.
Each customer is uniquely identified by a customer#
I need to find out if the customer came back after 200 days or more when the first appointment date was between jan12014 and Aug 31 2014. I am only interested in first follow up appointment after 30 days or more.
How can i do that in a query?
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Feb 7, 2008
This code displays dates, File name, and File size for four seperate dates 11/20/2007 , 11/30/2007, 12/30/2007 and 01/31/2007 . I'm trying to show the percentage growth from date to date (ie 11/20/2007 -11/30/2007 percentage growth)
is there a way i can get the previous date file size for each entry, so i can have a variable for the calculation. Or i can get the calculate it within this code (ie database_size_mb / ((database_size_md ) where database_size_datetime -1) *100
or whatever the formula is for percentage growth.
Code Snippet
SELECT
Database_Size_Datetime,
Database_file_name,
Database_Size_Mb
FROM RC_STAT.dbo.Tbl_Database_Statistics AS Tbl_Database_Statistics_1
GROUP BY Database_Size_Datetime, Database_file_name, Database_Size_Mb
this is what it displays now:
2007-11-20 00:00:00.000 ACTReplication_Data 442.5000
2007-11-30 00:00:00.000 ACTReplication_Data 442.5000
2007-12-31 00:00:00.000 ACTReplication_Data 442.5000
2008-01-31 00:00:00.000 ACTReplication_Data 442.5000
2007-11-20 00:00:00.000 ACTReplication_Log 14.8125
2007-11-30 00:00:00.000 ACTReplication_Log 109.7500
2007-12-31 00:00:00.000 ACTReplication_Log 112.9375
2008-01-31 00:00:00.000 ACTReplication_Log 115.5625
2007-11-20 00:00:00.000 BAMArchive 0.6875
2007-11-30 00:00:00.000 BAMArchive 0.6875
2007-12-31 00:00:00.000 BAMArchive 0.6875
2008-01-31 00:00:00.000 BAMArchive 0.6875
2007-11-20 00:00:00.000 BAMArchive_log 0.4922
2007-11-30 00:00:00.000 BAMArchive_log 0.4922
2007-12-31 00:00:00.000 BAMArchive_log 0.4922
2008-01-31 00:00:00.000 BAMArchive_log 0.4922
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May 14, 2015
I am looking for a formula to calculate the number of weekdays/business days between two dates in power pivot.I do the same in SQl using the following query
DATEDIFF(dd, Date1, GETDATE()) - (DATEDIFF(wk, Date1, GETDATE()) * 2) -
CASE WHEN DATEPART(dw, Date1) = 1 THEN 1 ELSE 0 END +
CASE WHEN DATEPART(dw, GETDATE()) = 1 THEN 1 ELSE 0 END END
I am looking for a similar query in Power Pivot.
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Oct 7, 2015
I have a challenge and I'm not sure the best route to go. Consider the following dataset.
I have a table of sales. The table has fields for customer number and date of sale. There are 1 - n records for a customer. What I want is a record per customer that has the customer number and the average number of months between purchases. For example, Customer 12345 has made 5 purchases.
CustomerNumber SalesDate
1234 05/15/2010
1234 10/24/2010
1234 02/20/2011
1234 05/02/2012
1234 12/20/2012
What I want to know is the average number of months between the purchases. And do this for each customer.
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Aug 8, 2014
I want to list Dates for particular day between two dates.
for eg. if user enters 08/01/2014 and 08/31/2014 with value 0 then all the Sundays and related dates should be display.
if above contamination with 1 then all Mondays,
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Mar 2, 2006
SQL 2005 Dev
How can I do this with Parameters? I can get a single parameter to filter for a single date (or even a combo list of the dates in DB). But I want my parameters to interact so that they specify a range. Is this possible?
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Mar 4, 2015
I'm looking to identify the people who visited an office more than once and the dates that they visited. For example I have a table that looks like the following:
Name |Office Visit Date
-----------------------------
John| 2002-01-23
Mary| 2003-02-04
Fred| 2002-11-02
Jane| 2012-06-05
John| 2003-07-12
Mary| 2004-10-12
Fred| 2011-03-20
John| 2009-02-14
I want to display the following:
Name |Office Visit 1 |Office Visit 2 |Office Visit 3
----------------------------------------------------------------------
John|2002-01-23| 2003-07-12| 2009-02-14
Mary| 2003-02-04| 2004-10-12|
Fred| 2002-11-02| 2011-03-20
Note that Jane does not show up because she has only visited the office once and everybody else has visited the office at least two times.
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Jul 8, 2015
I have a table with Employee, it lists their department, and has a row for each "position/promotion". (Just the pertinent fields below in the example shown of course and only a single employee for example)
An employee may have a single row in a department, or if they were promoted from line staff to manager they could have many.
Additionally, an employee may move around departments during their employment.
I need to get the min and max dates (basically duration) of their time at each department.
The issue is because they repeated departments when I go to group it loses movement between departments.
Raw data:
Employee DepartmentId StartDt EndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2001-04-30
999 7 2001-05-01 2005-06-30
999 7 2005-07-01 2006-09-30
999 5 2006-10-01 2009-10-31
999 5 2009-11-01 2012-01-01
Result of doing MIN/MAX:
Employee DepartmentId MinStartDt MaxEndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2012-01-01
999 7 2001-05-01 2006-09-30
However, Ideally I would get 3 rows (Department 5, then the stay at Department 7, then back to Department 5 again).
Employee DepartmentId MinStartDt MaxEndDt
----------- ------------ ---------- ----------
999 5 2000-01-01 2001-04-30
999 7 2001-05-01 2006-09-30
999 5 2006-10-01 2012-01-01
I played with RANK and ROW_NUM hoping I could get it to group / partition on each department and repeat the number for each department so the first department 5 would be RowNum=1, then the next group of Dept 7 would be =2 and the last group of Dept 5 would = 3 and then I could min/max on that grouping, but I didn't have any luck with that approach either.
My table:
CREATE TABLE [dbo].[EmployeeDepartmentHistory](
[Employee] [int] NOT NULL,
[DepartmentId] [int] NOT NULL,
[StartDt] [date] NOT NULL,
[EndDt] [date] NOT NULL
) ON [PRIMARY]
[Code] .....
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Mar 25, 2014
I'm trying to find gaps in times in a table of sessions where the session endings aren't sequential. That is, session 1 can start at 10:00 and finish at 10:30, while session 2 started at 10:05 and finished at 10:45, and session 3 started at 10:06 and finished at 10:20. Only the starting times are in order; the ending times can be anywhere after that.Here's a bunch of sample data:
CREATE TABLE #SessionTest(SessionId int,Logindatetime datetime, Logoutdatetime datetime)
INSERT INTO #SessionTest
SELECT '1073675','Mar 3 2014 1:53PM','Mar 3 2014 1:53PM' UNION ALL
SELECT '1073676','Mar 3 2014 2:26PM','Mar 3 2014 3:51PM' UNION ALL
SELECT '1073677','Mar 3 2014 2:29PM','Mar 3 2014 3:54PM' UNION ALL
SELECT '1073678','Mar 3 2014 2:29PM','Mar 3 2014 5:47PM' UNION ALL
SELECT '1073679','Mar 3 2014 2:30PM','Mar 3 2014 3:37PM' UNION ALL
[code]....
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Mar 26, 2014
The following query was used for retrieving dates for the last 7 days . Untill February this query was running fine and would return the last seven days date including today.
SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
datepart(dw,DateCreated) AS WeekNum from [TechnologyRepository].[helpdsk].[WorkDetails]
WHERE DATEDIFF(DAY, Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)),GETDATE()) <= 7
However from March (not sure of the exact date)..the query below would only give us 7 days until yesterday..i.e it would list dates from 3/19,3/20,3/21,3/22,3/23,3/24,3/25 and not 3/26 ..
I changed the query to <= 6 and it works as expected. But still not sure why it would not return todays date with <= 7.
SELECT DISTINCT TOP 7 Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)) AS DateCreated,
datepart(dw,DateCreated) AS WeekNum from [TechnologyRepository].[helpdsk].[WorkDetails]
WHERE DATEDIFF(DAY, Convert(DateTime, DATEDIFF(DAY, 0, DateCreated)),GETDATE()) <= 6
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Aug 18, 2014
I've a request: I've a table with a date column and an if numeric data type.
I've to check from now on 7 days ago if any value is missing in my date field.
So if I've f.i. in my table
ID DAYS
1 2014-08-11
2 2014-08-12
3 2014-08-13
4 2014-08-14
5 2014-08-17
then my output should be:
2014-08-15
2014-08-16
2014-08-18
How to do this?
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Dec 10, 2014
I have two dates. How do I get the one that is the lowest. One may be null. I don't want null unless they are both null
I tried..
DECLARE @Handle date
SELECT @Handle = dbo.getTrkLeastDate('2014-12-09',NULL)
print @Handle
ALTER FUNCTION [dbo].[getTrkLeastDate] (@d1 date, @d2 date)
RETURNS datetime
[Code] .....
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May 6, 2014
I am working on some payroll related code which currently has the following hard-coded CASE statement (I won't include the entire thing, it is lengthy):
AND b.TCDateTime BETWEEN '2013-01-01 0:00' and '2013-12-31 23:59'
I want to get rid of the hard coding, and have this use current year dates. So for 2014, it should reference rows where the TCDateTime is >='2014-01-01 0:00' AND <'2015-01-01 0:00'..I think the following would accomplish this, but would like confirmation that this is the 'best' way (and that it will work!)
SELECT CONVERT(DATETIME, CONVERT(CHAR(4), DATEPART(yyyy, GETDATE())) + '0101') AS curryrbegin
--output should be yyyy-01-01 00:00:00.0 where yyyy is current year
SELECT CONVERT(DATETIME, CONVERT(CHAR(4), DATEPART(yyyy + 1, GETDATE()))
+ '0101') AS nextyrbegin
--output s/b nextyear-01-01-00:00:00.0
Then, change the CASE statement to read:
AND (b.TCDateTime >= curryrbegin AND < nextyrbegin)
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Jun 17, 2014
I'm trying to find if the Saturdays worked in Bi-Weekly period is first or second, based on the Saturday occurrence the CODEID column value changes from 01 to another #, for example if it's first Saturday then CODEID changes from 01 to 02 and it's second Saturday then the CODEID changes from 01 to 03.
Below is my table, current result and desired results.
My Table:
WITH SampleData (PERSON,[HOURS],[RATE],[CODEID],[DOW],[DATE]) AS
(
SELECT 1234,7.00,40.00,01,'Thursday','05/01/2014'
UNION ALL SELECT 1234,8.0,40.0,01,'Friday','05/02/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Saturday','05/03/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Monday','05/05/2014'
UNION ALL SELECT 1234,8.0,40.0,01,'Tuesday','05/06/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Wednesday','05/07/2014'
UNION ALL SELECT 1234,3.5,40.0,01,'Thursday','05/08/2014'
UNION ALL SELECT 1234,7.0,40.0,01,'Friday','05/09/2014'
UNION ALL SELECT 1234,3.0,40.0,01,'Saturday','05/10/2014'
)
SELECT * FROM SampleData
Current Results
PERSONHOURSRATECODEIDDOW DATE
12347.0040.0001Thursday05/01/2014
12348.0040.0001Friday 05/02/2014
12343.5040.0001Saturday05/03/2014
12343.5040.0001Monday 05/05/2014
12348.0040.0001Tuesday 05/06/2014
12343.5040.0001Wednesday05/07/2014
12343.5040.0001Thursday05/08/2014
12347.0040.0001Friday 05/09/2014
12343.0040.0001Saturday05/10/2014
Expected Results
PERSONHOURSRATECODEIDDOW DATE
12347.0040.0001Thursday05/01/2014
12348.0040.0001Friday 05/02/2014
12343.5040.0002Saturday05/03/2014
12343.5040.0001Monday 05/05/2014
12348.0040.0001Tuesday 05/06/2014
12343.5040.0001Wednesday05/07/2014
12343.5040.0001Thursday05/08/2014
12347.0040.0001Friday 05/09/2014
12343.0040.0003Saturday05/10/2014
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Jan 19, 2015
select datediff(wk, '2015-01-11', '2015-01-19') returns 1 (shouldn't it return 2?)
select datediff(wk, '2015-01-10', '2015-01-19') returns 2
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Oct 7, 2015
I have a dataset as such:
Student TestTypeDate TestCnt
111-22-1111English2015-09-01 10:00:00 1
111-22-1111Math2015-09-02 11:00:00 2
111-22-1111Geo2015-09-03 12:00:00 3
222-11-2222English2015-09-01 10:00:00 1
333-22-1111English2015-09-01 10:00:00 1
[Code] ...
So some have just 1 test and some have multiple. I have a count for each. What I need to do is use that count and get an average time between each test per student.
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Jul 31, 2014
I have a table which uses multiple joins to create another table but it turns out that the effective_date which is used in the join to match row together does not work all the time since some of the dates for the effective date column are out of sync meaning records that show data as missing even when the other table contains the data. I try the SQL script below but it returning 6 rows instead of 3–
select t2.[entity_id]
,t2.[effective_date]
,[company_name]
,[last_accounts_date]
,[s_code]
,[s_code_description]
,[ineffective_date]
[code]....
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Sep 7, 2014
I have a table with addresses and activity dates. I need to be able to retrieve the past 3 activity dates and see if the first and last occurred within 15 days. If so, I need to flag them.
Using max date gets me the last date but not the previous two. I was trying to use top 3 in desc order and that didnt seem to work either.
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Sep 4, 2014
I have a simple script where I want to pull GLAcct, GLDesc and Amounts by Period. I want my results to look like attached snip.
I tried playing around with the dates; however, I'm receiving errors. Just to note that when I ran for 07/01/14 - 07/31/14 with the transaction date in where clause I was able to retrieve the correct results. Now I want to expand to get a view set up for the whole year....automation!
select
gl_account.id as GLAcct,
gl_account.descr as GLDesc,
sum(gl_ledger.amount_n) as Net
from gl_account
[Code] ....
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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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Apr 16, 2014
What I am trying to do: Obtain attendance percentages for schools for the last five days. The outcome would look like this:
DISTRICTGROUPING, SCHOOLNAME, 5 DAYS AGO PCTG, 4 DAYS AGO PCTG, 3 DAYS AGO PCTG, 2 DAYS AGO PCTG, 1 DAY AGO PCTG
I am using nested subqueries for each day as follows: (total enrollment-total absent/total enrollment)
,(
((SELECTCOUNT(*)--GET TOTAL ENROLLMENT COUNT FOR SPECIFIED DATE
[Code]....
The query works with the following exceptions:
My issues are:
1. Avoid the "division by zero" error. This can occur if a school is closed for a day or if a smaller school has no absences for a day.
2. Avoid weekend dates. I need the query to display only weekdays
3. Currently I am using "PERCENTAGE 5: as a column header whereas I need the actual date as the header.
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Jul 10, 2015
Ok, I'm looking to get counts on historical data where the number of records exists between two dates with different years. The trick is the that the dates fall in different years. Ex: Give me the number of records that are dated between 0ct 1, 2013 and July 1, 2014.
A previous post of mine was similar where I needed to get records after a specific date. The solution provided for that one was the following. This let me get any records that occured after May 1 per given Fiscal year.
SELECT
MAX(CASE WHEN DateFY = 2010 THEN Yr_Count ELSE 0 END) AS [FY10],
MAX(CASE WHEN DateFY = 2010 THEN May_Count ELSE 0 END) AS [May+10],
MAX(CASE WHEN DateFY = 2011 THEN Yr_Count ELSE 0 END) AS [FY11],
MAX(CASE WHEN DateFY = 2011 THEN May_Count ELSE 0 END) AS [May+11],
MAX(CASE WHEN DateFY = 2012 THEN Yr_Count ELSE 0 END) AS [FY12],
[Code] ....
I basically need to have CASE WHEN MONTH(OccuranceDate) between Oct 1 (beginning year) and July 1 (ending year).
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Jun 21, 2005
I want to know if there is a way to compare dates in the sql statement with dates that I input into a database and todays date. the datatype that I'm using is smalldatetime.The statement I used is:Select Date from Table where Date > 'Today.now'I get an errorCould this be done or is there another approach?
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Dec 18, 2007
I need a formula to calculate the time (let's say in minutes) between two dates/times.
The problem is that I have to exclude the time between 06 PM and 06 AM and also exclude the time in the weekend (Saturday and Sunday).
I will use this in a couple of reports made in Reporting Services.
If anyone have an algoritm that could be modified for this and is willing to share this I would be very grateful.
Many thanks!
/Per Lissel
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Nov 8, 2006
Hi,
I have a table which records employees'time-off records. There are 6 columns in this TimeOff table. They are RequestID, EmpName, StartDate, EndDate, Type, NumofDays. I have another table which has all the dates from 01/01/1950 to 01/01/2056.
I am trying write a query which lists all the dates between the timeoff startdate and enddate, including the the start and end dates, but my query so far only lists the start and end date in a timeoff record:
SELECT D.[Date], Datename(dw,D.[Date]) AS Weekday
FROM Dates D LEFT JOIN TimeOff T ON D.[Date] = T.OffStartDate OR D.[Date] = T.OffEndDate
WHERE (OffType = 'Sick Day' AND EmpName = 'Cat White') AND (D.[Date] BETWEEN T.StartDate AND T.EndDate)
Any advice will be greatly appreciated!
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Mar 4, 2008
Has anyone ever written a function to retrieve all individual dates between two given dates? Using DATEDIFF I can get the number of days between two dates. However I need to iterate through the days to identify weekend and holiday dates. Has anyone ever written a function to do this?
So, if select datediff(d,'07/01/2007','07/15/2007') as NumOfDays returns 14, I'd need to iterate through the 14 days and get the weekends and holidays. Would I have to use a cursor to iterate through the days?
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