Query To Return Date Differences
May 23, 2008
Hi Guys,
I hope someone can help, I usually just need to do simple queries, and am fine with that, but this is a bit over my head without a few pointers in the right direction.
I have a table that stores log results from pieces of hardware that contact an internet server periodically.
For simplification, this contains:
LogID
SystemID
DeviceID
ContactDateTime
Notes
Each device contacts the server about once every 5 minutes, and there are about 100 devices in 6 systems.
What I need to do is find out, for a certain date time range, things like:
1. the average time between comunication for any one device
2. the longest time between communication for any one device
3. average time between communications for all devices in a system.
We currently do this by downloading all the logs and working through them programmatically on the server, but as you can imagine, it is a very large amount of information, and it would be much more efficient if this could be done on the SQL server.
Any thoughts on how to achieve this please.
Many thanks
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Sep 11, 2015
I want to knew the sql query to return differences between two tables from two different database.
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Nov 1, 2006
Hello , i want to writ a query that returns ruslts for today's date only,
How to do it? i tried to filter the results using Now() function but it did`t work, any help please?
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Feb 14, 2007
HI there,
Can someone please help with a query I have? Basically I want to return all rows in a table that have multiple date entries that are different. For example:
163610737464753422005-12-30 00:00:00.000
163610737464753592006-03-10 00:00:00.000
This security 1636 has two entries in the DB with different dates. They are lots of securities with multiple entries with the same date but I need a list of the ones with different dates. Any ideas please?
Thanks!!!!!
S
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Jun 3, 2008
I have written the SQL below and need to change the case. I need to say that if today’s date (get date) is between <> 4 weeks of sv_latest_appraisal then = Outstanding. Can this be done in SQL? I know it is very specific so not sure. Please help! Sam
SELECT Employee.FORENAME AS Forename,
Employee.SURNAME AS Surname,
Employee.LOCATION AS Location,
Employee.DEPARTMENT AS Department,
Employee.STARTDATE AS Startdate,
Sv_latest_appraisal.NEXT_APP AS Next_app,
Sv_latest_appraisal.USR_EAR_TYPE AS Usr_ear_type,
Sv_latest_appraisal.USR_EAR_TYPE_NEW AS Usr_ear_type_new,
CASE
WHEN Sv_latest_appraisal.NEXT_APP <= getdate() THEN 'OVERDUE'
WHEN Sv_latest_appraisal.NEXT_APP >= getdate() THEN 'NOT DUE'
WHEN Sv_latest_appraisal.NEXT_APP = getdate() THEN 'DUE TODAY'
ELSE 'UNKNOWN'
END
FROM (dbo.EMPLOYEE AS Employee
INNER JOIN dbo.SV_latest_appraisal
ON Employee.EMPLOY_REF = Sv_latest_appraisal.EMPLOY_REF)
INNER JOIN dbo.JOB AS Job
ON Employee.JOB_REF = Job.JOB_REF
WHERE (Employee.LEAVER = 0)AND (Employee.LOCATION LIKE 'GE')
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Mar 14, 2002
I have a server with two test instances of a data base. I have a query which creates a temp table, inserts 29 rows, perform 4 update queries to add counts and then dumpps out the results. This entire query script runs 1.33 minutes on one instance and 2.5 minutes on the other. On the production server this query now runs in 9 seconds. If I run any one of the test updates individually they execute under 2 seconds, just like the production server.
THe results are repeatable.
All are SQL 7 with all service packs on NT4 sp6. Both test data bases are backups of production from last week. I suspect some kind of caching/buffer problem, but I do not know what to look for. I am not a DBA so I have no idea what role TEMPDB plays may play in this.
Can anyone give us ideas on where to look for the performance difference? Will our impending upgrade to SQL2K solve this problem or make it worse? Any ideas would be appreciated.
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Jan 30, 2008
Hello All,
I am a newbie when it comes to MS SQL Server administration and I am hoping you can help me out. We are migrating from a shared webhosting platform to our own internal dedicated web / MS SQL (2005) server and have encountered an error that appears to be stemming form Query Syntax.
In our old system we could simply query via the following format:
"Select [Column] from [Table Name]"
But on the SQL Server I just set up we have to query via this format:
"Select [Column] from [Database Name].[Table Name]"
We have literally hundreds of preprogrammed Queries and it would be quite difficult to change them all. Does anyone know how I can set up SQL Server to run so that our quieries do not require the DatabaseName in the statement? I have placed the connection code below, if that helps any.
Set objConn= Server.CreateObject("ADODB.Connection")
objConn.Open "Provider=SQLOLEDB; Data Source =; Initial Catalog =; User Id =; Password="
Set objRec = Server.CreateObject("ADODB.Recordset").
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Oct 12, 2015
Got a table as:
Report_Date [Date/Time]
Customer_ID [nvarchar(50)],
Manager [nvarchar(50)]
Amount [Decimal(18,2)]
In this regard need to show the recoveries made by each Manager from their relevant customers? In other words, instead of the customer-wise balances need to show the difference between the balances comparing the dates. The dates are in month-end formats.For example, if Customer A has a record of $10,000 as on January 10, 2015 and the same has two entries on February 28, 2015 with balances of $4,000 and $4,000, instead of balances, need to show ($2,000). Similarly, in case of March 31, 2015 reflecting three entries amounting to $3,000 each, need to reflect a positive amount of $1,000. And where the same customer has no entry on April 30, 2015, need to reflect a negative amount of $9,000.These entries thereafter being grouped on Manager level.
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Oct 28, 2015
i have written a sql function which returns only number of working days (excludes holidays and Weekends) between given StartDate and EndDate.
USE [XXX]
GO
/****** Object: UserDefinedFunction [dbo].[CalculateNumberOFWorkDays] Script Date: 10/28/2015 10:20:25 AM ******/
SET ANSI_NULLS ON
GO
[code]...
I need a function or stored procedure which will return the date which is 15 working days (should exclude holidays and Weekends) prior to the given future Date? the future date should be passed as a parameter to this function or stored procedure to return the date. Example scenario: If i give date as 12/01/2015, my function or stored procedure should return the date which is 15 working days (should exclude holidays and Weekends) prior to the given date i.e 12/01/2015...In my application i have a table tblMasHolidayList where all the 2015 year holidays dates and info are stored.
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Oct 7, 2015
How do you Write an expression to Return the date value based on the most recent date only?
Eg. Date 10-7-2015, action - done, notes - all items fixed.
Date 4-5-2016, action - not yet done, notes - buying parts
All these dates are returned based on a search parameter based on a project number. I only want the most current date and associated fields displayed.
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Oct 30, 2007
I am trying to count the amount of distinct dates (not datetime) in a table row. The call below returns the amount of distinct datetimes. How do I strip off the time when doing the SQL call?
SELECT COUNT(DISTINCT DT) FROM Event
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Apr 27, 2004
Hi,
Can I write a code in SQL that return the current date? If so, how?
Thanks!
Will
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Jan 20, 2006
I am trying to return the latest date in a stored procedure as shown below, but get the error 'incorrect syntax near @strLastDate'
CREATE PROCEDURE spRB_GetLastDateBookingDates
@strLastDate datetime OUTPUT
AS
SELECT max(BD_DateRequired) as @strLastDate
FROM tblRB_BookingDates
GO
RETURN
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May 30, 2006
I am trying to get the Date field in my SQL Query to only return.
Date that match todays date.
this is waht I have but it produces an error.
WHERE
(EsnAsset.EffectiveDate LIKE DateTime.Now)
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Feb 24, 2008
how can i return date only without time from this query in my report
Code Snippet
SELECT company_id, seq_no, emp_no, absence_id, start_date, end_date, wage_code
FROM emp_absences
WHERE (company_id = @CompanyID) OR
(emp_no = @EmployeeID) OR
(start_date = @StartDate) OR
(end_date = @EndDate) OR
(wage_code = @WageCode)
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Nov 15, 2012
I have two table one call Employee and the other table call Target Ratio. They are related via FK EmployeeID
tblEmployee
EmployeeID FirstName LastName
1 John Doe
tblTargetRatio
TargetRatioID EmployeeID EffectiveDate Ratio
1 1 1/1/2012 8
2 1 6/1/2012 5
3 1 9/1/2012 7
My question is how can I query tblTargetRatio table to return correct record for the following cases:
1 EmployeeID = 1 and Date = 03/12/2012 (Expecting Ratio = 8)
2 EmployeeID = 1 and Date = 10/10/2012 (Expecting Ratio = 7)
3 EmployeeID = 1 and Date = 08/12/2012 (Expecting Ratio = 5)
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Jul 1, 2006
Hi,
I created this stored procedure to add 90 days to the current date, and return the new date:
CREATE PROCEDURE Get90Days
AS
SELECT DATEADD(day, 90, current_timestamp) AS "RETURNDAYS"
The procedure above returns this result:
2006-09-29 07:31:14.477
I need this procedure to return the date, only, like this:
09-29-2006
I tried using the convert switch to reformat the result to the date only, but have not been successful.
What does this stored procedure need to look like to return just the date, like this:
09-29-2006
I appreciate your help.
Thanks,
Bill
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Sep 13, 2006
Given in a record in from a Table called WorkSchedule:
idWorkSchedul StartDate EndDate HoursWorked
1 1/1/2000 1/1/2006 8
I need to return for each record in the WorkSchedule Table
1/1/2000 1/2/2000 1/3/2000 1/4/2000..........1/1/2006
8 8 8 8..................8
Please help.
Thank you.
-Robert
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Dec 3, 2007
Say I want to return only records with dates that fall within the next 6 months. Is there some straight-forward, simple way of doing so?As of now, I'm explicitly giving it a date 6 months in the future, but I'd like to replace it with some sort of function. SELECT DateField1WHERE (DateField1 < CONVERT(DATETIME, '2008-06-03 00:00:00', 102)) Any help is greatly appreciated... btw I'm using SQL 2005.
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Dec 21, 2007
Hello....
I'm trying to return only values that will be "expiring" between the current date and 60 days from the current date. (The data is populated in a GridView)
So far my thought process is:Show [AllTableData] WHERE [ExpirationDate] >= (today's date) AND [ExpirationDate] <= (today's date +60days)
A.) Am I on the right track?
and
B.) What is the proper syntax for the "today's date" and "today's date +60days"
TIA!-Scott
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Mar 8, 2004
What is the recommended method of returning a formatted date from a stored procedure?
The date is held in a date time field. I wish to return the date formatted as:
dd/mm/yyyy hh:mm
for display in a bound text box on a win form. JUst selecting the date and binding it to the text box shows:
dd/mm/yyyy hh:mm:ss
I do not want the :ss to show. A textbox does not have a format property (that I can see). I suppose I could create my own textbox inheriting from the standard and apply a display format property. I thought it may be easier to select as required in an sp. The textbox is read only on the form.
I was looking at:
select jobHeaders.DateTimeJobTaken AS [Job Taken],
CAST(datepart(dd,jobHeaders.DateTimeJobTaken) as char(2)) + '/' +
CAST(datepart(mm,jobHeaders.DateTimeJobTaken) as char(2)) + '/' +
CAST(datepart(yyyy,jobHeaders.DateTimeJobTaken) as char(4))
from jobHeaders
but this gives :
8 /3 /2004 with spaces.
Before looking further I thought one of you guys may have the answer.
Thanks in advance
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Oct 5, 2015
I am joining on two tables, and returning the values that do not exist in #topoftheline -- well now I see that their are multiple calltimes so I want to return ONLY the most recent call time. What would I change in my syntax to only return that most recent datetime?
Create Table #topoftheline
(
callreceived datetime,
callerfirstname varchar(100),
callerlastname varchar(100),
callnotes varchar(4000)
)
[Code] ...
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Mar 28, 2007
I'm using an objectDataSource connected to a strongly typed dataset to populate a GridView. I want to be able to show all the records, or let the user to select only those records that expire in a certain month. The expire field is of type date I'm used to all records being returned when a parameter is missing. If I have Select * from table where last=@last, only the records where the last name is 'Smith' will be returned if @last = 'Smith', but all records are returned is @last = "". But that's not how it's working with the date. I'm passing an integer from 1 to 12 in a querystring. I have the equivalent of select * from table where (MONTH([AD ENDS]) = @month)MONTH(datefield) always returns an integer from 1 to 12. If @month is empty, I want all the records to be displayed, but nothing is. If @month is an int form 1 to 12, it works fine. How can I get all the records if no month is selected? Can I have two objectdatasources and programmatically select which one populates the gridview depending on if I want to filter the data or not? Diane
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Mar 22, 2006
I have a table in my MS SQL 2000 database called News which has a field caled NewsDate. This is a standard Date field which stores the info in this format: 3/1/2001.
I want to create a query that returns one row for each year that there is a story.
For example, if I had this data...
3/1/2001, 6/27/2003. 9/17/2003, 1/1/2006, 4/5/2006
the query would return this result:
2001
2003
2006
This is the query I've started with:
SELECT DISTINCT NewsDate FROM News ORDER BY NewsDate DESC
What modifier can I apply to the NewsDate field to extract JUST the year from the table? If this were ASP I would try something like Year(Date), but, of course, I can't do that here.
Is this even possible? I've been looking up date functions, but haven't found anything that will work in a select statement. ANY and ALL advice will be greatly appreciated.
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Feb 12, 2008
Hi,
I have written a reporting application which has a SQL2005 backend. An import routine into SQL, written by a 3rd party, frequently fails. The main problems are missing rows in certain tables.
I am going to write an SP that will accepts a from and to date. I then want to search for rows of type X between those dates that do not exist so we then know between a date range, we have no data for these XYZ days.
I have this working by returning all rows between the dates into a dataset, sorted by date, and then running through the rows and testing if the next rows date is the next expected date. This works but I think is a very poor solution. This is all done on the client in C#.
I want to learn and implement the most efficent way of doing this. My only solution in a SP was to make a temporary table of all dates between the date range for row type X and then do a right outer join against the data table, returning all rows which are missing.
Something like this:
SELECT twmd.date
FROM #temp_table_with_all_dates ttwad
RIGHT OUTER JOIN table_with_missing_date twmd
ON ttwad.date = twmd.date
WHERE twmd.date IS NULL
Would this be a good, efficent solution, or should I just stick to my processing of a dataset in C#?
Many thanks in advance,
CB
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Jan 21, 2014
I'm trying to create a cte to return a list of lots and every period between the first and last transaction date for each lot. I've gotten this far:
SELECTIntLotKey
,DATEPART(YYYY, StartDate)StartYear
,DATEPART(MM, StartDate)StartPeriod
,DATEPART(YYYY, EndDate)EndYear
,DATEPART(MM, EndDate)EndPeriod
[Code] ....
This gives me the following results:
IntLotKeyStartYearStartPeriodEndYearEndPeriod
271532013120135
28468201312201312
2846920131201312
2847020131201312
28472201312201312
593022013120131
593032013120131
Now what I need is something that looks like this:
LotKeyYearPeriod
2715320131
2715320132
2715320133
2715320134
2715320135
[Code] .....
Some lots may not have any transactions for some of the periods between the start and end dates but I need to report every period between the start and end period for each lot. I have a period table that I thought I could use but haven't come up with a way to get the results I'm after.
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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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Dec 3, 2013
I need to associate aggregate gross_revenue with calendar year, but do not have a date field that reflects payment dates, just contract periods a start_date and an end_date. The contract periods are typically 1 or 2 years and can start at any time I.e start_date 6/1/2012, end date 5/31/13. I think by finding the number of days that fall in each calendar year and storing in a temp table, I can create a simple formula to associate revenue to each year.
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Jul 14, 2006
Hi, I need to return the system date to a column when a checkbox in another column becomes true, e.g. the instant a user updates a table where checkbox.value = 'true' it will record the date that it happened in another column.
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Nov 26, 2015
This is the code I have written and I am trying to retrieve minimum count of PQpageId for every hour for a given date of range.
WITH CTE AS (
SELECT PQIM.PQPageID
,PQIM.PageURL as PageDescription
,CONVERT(Date,NCPI.RequestDateTime) AS [Date]
,DATEPART(HOUR,NCPI.RequestDateTIme) AS [HOUR]
,ISNULL (COUNT(NCPI.PQPageID),0)AS HourlyPQPageIdCount
FROM dbo.NewCarPurchaseInquiries AS NCPI WITH (NOLOCK)
[Code] ....
This is the output I get :
PQPageId Date HOUR MINCOUNT
-------- ---------- ---- --------
1 04-11-2015 8 2359
1 05-11-2015 8 2332
1 06-11-2015 8 2008
1 07-11-2015 8 1964
1 08-11-2015 8 2139
1 09-11-2015 8 54
[Code] ....
But I am expecting
PQPageId Date HOUR MINCOUNT
-------- ---------- ---- --------
1 09-11-2015 8 54
1 11-11-2015 9 10
1 11-11-2015 10 4
2 11-11-2015 8 10
2 11-11-2015 9 2
2 11-11-2015 10 1
For ex: Pqpageid 1, at 8am on date 4-11-2015 has a count of 2359 and on 9-11-2015 at 8 am it has count 54then it should return date 9-11-2015 and count 54 for hour 8 like wise for every pageid and hour from 8 to 23 it should return the min count from given date of range.
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Jun 29, 2006
I have a db that has duplicate customer records.
If I run the following select statment against the appropriate table it returns the duplilcate records in the result set. However, from this list I want to add an additional select statement embedded into the query that will actually return only those records with the most current syscreated date.
Example of script I'm using---
select cmp_fadd1, syscreated, cmp_name, cmp_code
from cicmpy
where cmp_fadd1 in (select cmp_fadd1
from cicmpy
group by cmp_fadd1
having count(1) = 2)
order by cmp_fadd1,syscreated desc
The results is:
Address Syscreated date Customer
1622 ONTARIO AVENUE 2005-06-15 22:19:45.000 RELIABLE PARTSLTD
1622 ONTARIO AVENUE 2004-01-22 18:10:05.000 RELIABLE PARTS LTD
PEI CENTER 2006-01-05 22:03:50.000 P.G. ENERGY
PEI CENTER 2004-01-22 17:57:56.000 P.G. ENERGY
From this I want to be able to select ONLY those records with the most current syscreated date or those records with 2005-06-15 and 2006-01-05
Can anyone help me with creating this?
Thanks
Cyndie
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Jun 3, 2004
I'm having a bit of a trouble explaining what I'm trying to do here.
I have 3 "source" tables and a "connecting" table that I'm going to use
tblContacts - with contactID, ContactName etc
tblGroups - with GroupID, GroupName
tblSubGroups - with SubGroupID, GroupID and SubGroupName (groupID is the ID for the parent Group from tblGroups)
They are related in a table called
tblContactsGroupConnection - with ContactID, GroupID and SubGroupID
One contact can be related to many subgroups.
What I want is a list of all contacts, with their IDs, names and what groups they are related to:
ContactID, ContactName, [SubGroupName1, SubGroupName2, SubGroupName3]
ContactID, ContactName, [SubGroupName1, SubGroupName3]
ContactID, ContactName, [SubGroupName3]
I'm sure there's a simple solution to this, but I can't find it. Any help appreciated. :)
Kirikiri
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Sep 29, 2015
how to write a query to get current date or end of month date if we pass year and month as input
Eg: if today date is 2015-09-29
if we pass year =2015 and month=09 then we have to get 2015-09-29
if we pass year =2015 and month=08 then we have to get 2015-08-31(for previous months we have to get EOMonth date & for current month we have to get current date).
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