MS SQL Server :: Dates Calculation

How To Do Calculation Of Dates?

Oct 5, 2004

HI,
getdate() gives me today's date. I have a sql query which returns me a date. I want to see if the difference between today's date and the date returned by sql query is 12 months(1 year) or less. If yes I want to print it.
(If the difference is more than 12 months or 1 year i don't want to consider that record.)

Example:
how to do calculate:
10/05/2004-10/3/2003

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Job Execution Dates-Times Calculation (Past & Fut)

Jan 29, 2008

I have a tricky question to Microsoft SQL Server 2000/2005. I have failed to find a solution to the problem yet and others have failed too. So I thought that I throw it around here, because the fact that a lot of knowledgeable DBAs hang around in this forum.

I am looking for a script/stored procedure that is able to show me upcoming job executions for a selected date/time range based on the current settings for the jobs configured on the Database server.

Example
Date/Time From: 2/16/2007 00:00 a.m. (Friday)
Date/Time To: 2/17/2007 12:00 p.m. (Saturday)

A. Job 1 / Schedule 1 = Week Days, 1:00 a.m.
B. Job 1 / Schedule 2 = Saturdays, 10:00 a.m.
C. Job 2 / Schedule 1 = hourly, between 10:00 a.m. and 1:00 p.m.
D. Job 3 / Schedule 1 = every 3rd Saturday of the month, 5:00 a.m.
E. Job 4 / Schedule 1 = every 1st Friday of the month, 8:00 a.m.

The routine I have in mind would not return Job E, because 2/16/2007 is the 3rd Friday of the month and not the first.

Job A: 2/16/2007 01:00 a.m.
Job B: 2/16/2007 10:00 a.m.
Job B: 2/16/2007 11:00 a.m.
Job B: 2/16/2007 12:00 p.m.
Job B: 2/16/2007 01:00 p.m.
Job D: 2/17/2007 05:00 a.m.
Job A: 2/17/2007 10:00 a.m.
Job B: 2/17/2007 10:00 a.m.
Job B: 2/17/2007 11:00 a.m.
Job B: 2/17/2007 12:00 p.m.

Output

It needs to return the Job ID, the Job Name, the Schedule ID, the Date and the Time.
Disabled Jobs and Schedules are by default excluded from the selection, but an option to include or exclude those would be a bonus.
Information such as the min, max and average execution time would be great too.

Notes

The schedules of Job D and Job B overlap as you can see in my example above.
This happens only once per month though. I have over 20 jobs with sometimes very frequent execution times, like every 5 minutes or every 20 minutes and jobs that run hourly, daily, weekdays only, weekends only, monthly once etc.

Purpose

I want to do two things.
I want to determine where jobs overlap, not just by start date/time, but also by average run time and maximum run time.

I also want to be able to generate a report that shows me what should have been done and what was actually done by the jobs (note on the site, 6 of the jobs create new jobs on the fly for other database servers and this is sometimes not happening properly, without getting any error message. The volume of jobs makes the manual search like a search for a needle in a haystack.)

Findings so far:

I did some digging myself and found following stored procedures that do some of the steps that I need and involved tables for the calculation.

Stored procedures:
- sp_get_schedule_description (in db: msdb) (undocumented stored procedure)
- sp_add_schedule (in db: msdb) http://msdn2.microsoft.com/en-us/library/ms187320.aspx

Tables:
- msdb.sysjobs
- msdb.sysjobschedules
- msdb.sysjobhistory

It is not a problem to determine the next execution of a job, but that is not what I need, anyway.
The problem is that it does not help you to determine all upcoming execution times, if the selected timeframe is long enough that SQL Server executes the job more than once.

There is no way around using the sysjobschedules table and calculate the execution dates and times based on the configured settings. See the Stored procedure: sp_get_schedule_description.

That one breaks down nicely the settings as documented for sp_add_schedule at
http://msdn2.microsoft.com/en-us/library/ms187320.aspx, but it does not allow the determination of the exact upcoming dates and times when the job is supposed to be executed.

Another Example
If there is only one job scheduled to run

1) every 5 minutes,
2) on every weekday
3) between 1:30pm and 2:00pm

You would get the following results

1) start date/time 7/7/2007 12:00pm, end date/time 7/8/2007 2:00pm

nothing, because the 7/7/2007 and 7/8/2007 are on the weekend

2) start date/time 7/5/2007 12:00pm, end date/time 7/5/2007 1:45pm

7/5/2007 1:30pm
7/5/2007 1:35pm
7/5/2007 1:40pm
7/5/2007 1:45pm

3) start date/time 7/5/2007 1:45pm, end date/time 7/6/2007 3:00pm

7/5/2007 1:45pm
7/5/2007 1:50pm
7/5/2007 1:55pm
7/5/2007 2:00pm
7/6/2007 1:30pm
7/6/2007 1:35pm
7/6/2007 1:40pm
7/6/2007 1:45pm
7/6/2007 1:50pm
7/6/2007 1:55pm
7/6/2007 2:00pm

Now SQL has a lot more configuration options for the scheduler.

And don't forget that you can have more than one schedule record for any single job, including no-schedule record (which would not interest me).

Autom. when SQL starts freq_type=64
Starts when CPU idle freq_type=128

One Time On Date mm/dd/yyyy at time: hh:mm:ss am/pmfreq_type=1
or
Recurring

Occurs
Daily freq_type=4
Every x day(s)freq_interval=x
Weekly freq_type=8
Every x week(s) onfreq_recurrence_factor=x

Mo [ ], Tu [ ], We [ ], Th [ ],
Fr [ ], Sa [ ], Su [ ],

1 = Sunday, 2 = Monday, 4 = Tuesday, 8 = Wednesday, 16 = Thursday, 32 = Friday, 64 = Saturday. Examples: Su and Mo enabled = 3 (1 (Su) + 2 (Mo)), Mo, We and Fr enabled = 42 (2 (Mo) + 8 (We) + 32 (Fr))
Monthly freq_type=16
Day X of every Y month(s)freq_interval=X
freq_recurrence_factor=Y
or

The 1st,2nd,3rd,4th,LAST WEEKDAYfreq_type=32
of every Y month(s)

freq_relative_interval=1,2,4 (3rd),8 (4th),16(last)
freq_interval= 1=Su,2=Mo,3=Tu,4=We,5=Th,6=Fr,7=Sa,8=Day,9=Weekday,10=Weekend day
freq_recurrence_factor=Y

Occurs Once at hh:mm:ss AM/PMfreq_subday_type=0x1
or
occurs Every X Hours/Minutes
Starting: hh:mm:ss A/PM freq_subday_type=0x4 (minutes) or 0x8 (hours)
Ending: hh:mm:ss A/PMfreq_subday_interval=X
active_start_time
active_end_time

Start Date mm/dd/yyy End Date mm/dd/yyyyactive_start_date
oractive_end_date
No End Dateactive_end_date=99991231

Does anybody has a script that does that or several individual scripts that would have to be combined to do what I want to do?

Thanks. I appreciate it.

Cheers!

Carsten Cumbrowski
http://www.sqlhunt.com/

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Sep 17, 2015

I have created calcalated measures in a SQL Server 2012 SSAS multi dimensional model by creating empty measures in the cube and use scope statements to fill the calculation.

(so I can use measure security on calculations

as explained here )

SCOPE [Measures].[C];

THIS = IIF([B]=0,0,[Measures].[A]/[Measures].[B]);

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Jul 19, 2007

Hi I am having to convert some oracle reports to Reporting Services. Where I am having difficulty is with the

calculations.

Oracle

TO_DATE(TO_CHAR(Visit Date+Visit Time/24/60/60,'DD-Mon-YYYY HH24:MISS'),'DD-Mon-YYYY HH24:MISS')

this is a sfar as I have got with the sql version

SQLSERVER2005

= DateAdd("s",Fields!VISIT_DATE.Value,Fields!VISIT_TIME.Value246060 )

visit_date is date datatype visit_time is number datatype. have removed : from MI(here)SS as was showing as smiley.

using:

VS 2005 BI Tools

SQLServer 2005

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Want To Use Parameters To Filter For Dates Between Two (parameter, User-input) Dates

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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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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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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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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Generate Dates Between Two Dates

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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May 4, 2008

Hi,

My predicament is - where do I do these calculations - in my vb.net code or in an SQL stored procedure?

My manager has handed me a task of converting an excel file she uses in to a web aplication.

While it has been easy to devise what should be the screens and how to capture data, I am struggling over how to code the calculations.

The calculations in excel are pretty simple. These are just sequential calculations (about a 150 calculation for average 500 rows). Mathametical operations include sum, average, max min - regular excel stuff. Some calculations involve vlookup (equvalent to calculation based on value derived from a reference table).

So I am stil wondering - where do I do these calculations - in my vb.net code or in an SQL stored procedure?

Since these calculations are required a produce a result in an online environment, what will be faster?

I tried to do a proof of concept by creating a sample calculation in a .NET class and an in a stored procedure. The choice is still not clear. SQL code execution time was not bad. But SQL code tended to be very messy.VB.net code seemed to be a little slow. But seemed a more organised to look at.

Any views that you can offer will be very helpful.

Thanks in advance.

PMA

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Aug 3, 2007

I need to calculate the overall GPA for a student in a particular class.

YEAR SCHOOL STUDENT IDENT GRADE TEACHER CLASS GPA
2007 Snow Canyon High Student1 321649 10 Teacher1 Earth Systems 0.0000
2007 Snow Canyon High Student1 321649 10 Teacher1 Earth Systems 1.6700
2007 Snow Canyon High Student1 321649 10 Teacher1 Earth Systems 3.3300
2007 Snow Canyon High Student1 321649 10 Teacher1 Earth Systems 3.6700
2007 Snow Canyon High Student1 321649 10 Teacher2 Elementary Algebra 0.0000
2007 Snow Canyon High Student1 321649 10 Teacher2 Elementary Algebra 0.6700
2007 Snow Canyon High Student1 321649 10 Teacher2 Elementary Algebra 1.0000

The problem I'm having is that a student may not taken the class for four terms (as in the Elementary Algebra example above). So I can't hard code it to sum the gpa and divide by 4; it needs to be the number of terms the student took the class.

Here's my sql:

select
trnscrpt.schyear as [Year],
school.schname as School,
rtrim(stugrp_active.lastname) + ', ' + rtrim(stugrp_active.firstname) as Student,
trnscrpt.suniq as suniq,
stugrp_active.graden as Grade,
trnscrpt.teachname as Teacher,
trnscrpt.descript as Class,
gpamarks.gpavallvl0 AS GPA

from
dbo.trnscrpt
inner join dbo.stugrp_active on trnscrpt.suniq = stugrp_active.suniq INNER JOIN
school ON stugrp_active.schoolc = school.schoolc INNER JOIN
gpamarks ON trnscrpt.marksetc1 = gpamarks.marksetc AND trnscrpt.markawd1 = gpamarks.mark

where
trnscrpt.graden >= 6 and
trnscrpt.markawd1 not in ('NC','NG','P','W','WA','WF','WI','WP') and
trnscrpt.subjectc in ('LA', 'MA', 'CP', 'CB') and
trnscrpt.schyear = 2007 and
stugrp_active.schoolc = 725

order by
school.schname,
student,
grade,
class

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May 28, 2008

Dimensions:

DimPeriod/Year-Quarter-Month
DimProduct/Category-Product
Fact:
FactInventory/PeriodKey-ProductKey-StatusCode

Period = 1
Product = 1
Status Code = InStock

Period = 1
Product = 2
Status Code = InStock

Period = 2
Product = 1
Status Code = OutOfStock

Period = 2
Product = 2
Status Code = InStock

In period = 2, status code change from InStock to OutOfStock: Product 1 (Count=1)
In period = 1, number of products with status code = InStock: product 1 and product 2 (Count=2)

The measure = 1 / 2 or 50%. TIA

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Oct 9, 2007

This is a smple data in table1

sector RefDate price
pharm 22 august 2007 100.21
gap 15 august 2007 10.32
pharm 21 august 2007 99.99
pharm 9 oct 2007 100.99
pharm 2 oct 2007 98.34
pharm 8 oct 2007 96.34
...

I would like to have the result as follows:
sector RefDate price priceChangeSinceYesterday priceChangeSinceLastWeek priceChangeSinceLastMonth
pharm 9 oct 2007 100.99 100.99-96.34 100.99-98.34 100.99-lastmonth's price value

select
sector,
RefDate,
price,
priceChangeSinceYesterday??,
priceChangeSinceLastWeek???,
priceChangeSinceLastMonth??
from
table1

thanks

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Apr 2, 2008

My aim is to do something like what I have explained below and I was planning on building this logic at the Database level only rather than on the frontend code.

There are certain allocations(transactions) that happen on a periodic basis and I am storing these transactions in the PurchaseTranMaster and PurchaseTranDetail table. These transactions are categorized as 'Main' type and the amount could be allocated for one or many categories in a single transaction. Below is how it will be saved in the 2 table

PurchaseTranMaster

TranID TranDate TranType
1 14-March-2008 Main
2 17-March-2008 Main
3 1 9-March-2008 Main

PurchaseTranDetail

TranID Amount Category Debit_TranId
1 1000 A
1 1000 B
2 2000 B
3 300 A
3 400 C

Now what happens is users of my application can make purchases under all these categories only until the Balance under these categories is > than purchase amount. The Balance is calculated as sum of all transactions. It means that w.r.t the above data the balances for each category is(this is not stored in the database)

A 1300
B 3000
C 400

So lets say a user does make a purchase(Trantype is 'SUB') of 300 under A and 400 under B in a single transaction. The data would then be stored in the tables as

PurchaseTranMaster

TranID TranDate TranType
1 14-March-2008 Main
2 17-March-2008 Main
3 19-March-2008 Main
4 20-March-2008 SUB

PurchaseTranDetail

TranID Amount Category Debit_TranId
1 1000 A
1 1000 B
2 2000 B
3 300 A
3 400 C
4 300 A 1
4 400 B 1

In the PurchaseTranDetail the Debit_TranId value means that the amount has been marked against the TranID 1. This TranId is not handpicked by the user and the system should allocate it accordingly based on the amount available for a particualar category for a Main Transaction. It means that before TranId 4 was saved in the database then the system would first check whether the Total available balance for A >=300 and B>=400 (in our example above it is 1300 and 3000 resp)
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A 1000
B 2600
C 400

So next time again when a user would make a purchase(transaction) under A for 800 and under B for 1000 then if the balance is greater than the purchase amount(which in this case it is) the allocation would happen according to the earliest TranId and this time amount would be partly marked against TranId 1 , TranID 2 and TranID 3. The data would look like this

PurchaseTranMaster

TranID TranDate TranType
1 14-March-2008 Main
2 17-March-2008 Main
3 19-March-2008 Main
4 20-March-2008 SUB
5 21-March-2008 SUB

TranID Amount Category Debit_TranId
1 1000 A
1 1000 B
2 2000 B
3 300 A
3 400 C
4 300 A 1
4 400 B 1
5 700 A 1
5 100 A 3
5 600 B 1
5 400 B 2

I need to do the above taking into consideration that there could be multiple users making purchases(concurrency).
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The design for creating the above sample tables is below

/*CREATE TABLE PurchaseTranMaster
(
TranID int IDENTITY(1,1) PRIMARY KEY CLUSTERED,
TranDate Datetime,
TranType varchar(30)
)

CREATE TABLE PurchaseTranDetail
(
TranID int,
Amount int,
Category Varchar(20),
Debit_TranId int
)

insert into PurchaseTranMaster values(convert(datetime,' 14-March-2008',103),'Main')
insert into PurchaseTranMaster values(convert(datetime,' 17-March-2008',103),'Main')
insert into PurchaseTranMaster values(convert(datetime,' 19-March-2008',103),'Main')
insert into PurchaseTranMaster values(convert(datetime,' 20-March-2008',103),'SUB')
insert into PurchaseTranMaster values(convert(datetime,' 21-March-2008',103),'SUB')

insert into PurchaseTranDetail values(1,1000,'A',0)
insert into PurchaseTranDetail values(1,1000,'B',0)
insert into PurchaseTranDetail values(2,2000,'B',0)
insert into PurchaseTranDetail values(3,300,'A',0)
insert into PurchaseTranDetail values(3,400,'C',0)
insert into PurchaseTranDetail values(4,300,'A',1)
insert into PurchaseTranDetail values(4,400,'B',1)
insert into PurchaseTranDetail values(5,700,'A',1)
insert into PurchaseTranDetail values(5,100,'A',3)
insert into PurchaseTranDetail values(5,600,'B',1)
insert into PurchaseTranDetail values(5,400,'B',2)*/

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Code Snippet

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Month

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:eek:

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[code]
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where (a.contract_sub_type = 'INT') and (a.Contract_type_code ='GTH')
and (DATEADD(mm, DATEDIFF(mm,0,getdate()), 0) < a.current_expirtn_date)
and (c.rcpt_dlvry_ind ='R')
Group by a.contract_nbr
[code]

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How To Calculation Between 3 Column?

Mar 19, 2008

Hi
I am using below code in sql procedure and the data types are below.
b.price -nvarchar 255
b.quantity - nvarchar 255
a.NumPacks - numeric

cast(b.price as decimal(19,2)) / cast(a.NumPacks * b.quantity as decimal(19,2)) AS UNITPRICE

When I run the above code I should get the result as below
1400.99
Instead I am getting as below
1400.990000000000000000

Please help. Advance Thanks.

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Calculation With SUM (Help Needed)

Mar 25, 2008

Hello experts! After surfing this forum and reading many articles in the web I still haven't succeeded with a certain calculation that I need to perform. Thus I wanted to address you to ask if you could help me on this one:

I have 3 tables in a SQL Server 2005 DB and want to carry out the following calaculation:

[sum of lmenge/lmenge]* [1/werksmassFM]*p_transpreis

However, whatever I attempt to do, it seems to fail! I am quite a newbe and was never focussed with such comprehensive statements before. I would appreciate any help!

My statement looks like this so far (without the calculation):

SELECT l.bestellnr, l.lfsnr, l.ziel, l.lfs_refnr, l.lfsGuid, CONVERT(NUMERIC(9, 3), l.werksmassFM) AS werksmassFM, ls.lmenge, ls.pguid_ref, p.punktName, p.holzart, CONVERT(NUMERIC(9, 2), p.laenge) AS laenge, CONVERT(NUMERIC(9, 2), p.p_transpreis) AS p_transpreis
FROM dbo.lfs AS l INNER JOIN dbo.lfs_sub AS ls ON l.lfsGuid = ls.lfsGuid_ref INNER JOIN dbo.polter AS p ON ls.pguid_ref = p.pguid
WHERE (l.lfsnr LIKE '%1253')

The respective output data looks like this:

bestellnr >>> SJT07004A
lfsnr >>> HNAU01253
ziel >>> SE Ybbs
lfs_refnr >>> 1350-8
lfsGuid >>> de8ea3bdbdece
werksmassFM >>> 33.450
lmenge >>> 23,07692
pguid_ref >>> 53e7f6224435f244a6ba800bb33448b4
punktName >>> 470
holzart >>> Fi
laenge >>> 4.20
p_transpreis >>> 8.50

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