SQL Interval Count
Feb 1, 2008
Does anybody know what's the best way to do a count with a 1 day interval? This to me seems like the best approach, my data looks like this
work order, analyst, analysis, dateanalyzed
080154705, ZT, Special, 1/31/2008 9:35:00 PM
080154706, ZT, 8260B, 1/31/2008 10:07:00 PM
080154706, ZT, Special, 1/31/2008 10:07:00 PM
080154706, ZT, Special, 1/31/2008 10:39:00 PM
080154706, ZT, Special, 1/31/2008 11:11:00 PM
080154706, ZT Special, 1/31/2008 11:43:00 PM
080165001, ZT, 624, 2/1/2008 4:30:00 AM
080165001, ZT, 624, 2/1/2008 5:02:00 AM
080166901, ZT, 624, 2/1/2008 12:50:00 PM
080166801, ZT, 624, 2/1/2008 2:51:00 PM
080154711, ZT, Special, 2/1/2008 10:39:00 PM
080124711, ZT, Special, 2/1/2008 10:11:00 PM
What I would like is to have my data displayed as follows:
Analysis, myCount, dateanalyzed
Special, 5, 1/31/08
Special, 2, 2/1/08
624, 4, 2/1/08
8260B, 1, 1/31/08
As you can see, I will need to count the number of occurences for analysis for each day, such as Special has 5 and 2 for those two days, we can have difference analysis done each day done. A Union Join will not work because the table is huge and I will need to do at least 30 days. Is interval the best approach, I plan to use Access but can do it in SQL Server if necessary.
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Jul 20, 2005
I have a problem that I can't quite get started on solving.I have a table of asset statuses. Each time the asset status changes, anew row is inserted into the table.CREATE TABLE dbo.Tbl_EMStatusHistory (EMStatusID int IDENTITY (1, 1) NOT NULL ,EMSessionID int NULL ,AssetID int NOT NULL ,AssetStatus int NOT NULL ,StatusComment varchar (250) NULL ,StatusDate smalldatetime NOT NULL ,InsertUser sysname NOT NULL ,InsertDate smalldatetime NULL ,CONSTRAINT PK_EMStatusHistory PRIMARY KEY NONCLUSTERED(EMStatusID))Here is some sample data:EMStatusID AssetID AssetStatus StatusDate DeviceType4772622624OUT2003-10-05Monitor3810022624IN2003-10-16Monitor4726122624OUT2003-10-25 Monitor3819322624IN2003-11-02 Monitor3917122624RV2004-05-02 MonitorFor asset 22624, the current (most recent) status = RV. Before that, itlastchanged status on 2003-11-02, when it was IN. So it was IN from2003-11-02 to2004-05-02.I need to produce a report that counts the devices by type that were INon a given report date,like so:ReportDateMonitorsTransmitters05/01/2004342605/02/2004373005/03/2004393205/04/20043531The end user supplies the date range.I am unsure how to approach this. I came up with oneEinsteinian-Newtonian method that involved three temp tables, a gardenhose, and a duck, and it was getting uglier by the minute. Has anyonehad experience with a requirement like this? Thanks, Dave"Are you thinking what I'm thinking, Pinky?"*** Sent via Devdex http://www.devdex.com ***Don't just participate in USENET...get rewarded for it!
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Mar 11, 2008
I have a table (tbl_entries) in my db that has a timestamp field (startDate). What I need to do is run a query that counts the number of records on a 15 min interval.
something like
start_date
2008-01-01 00:00:00.000
2008-01-01 00:00:00.000
2008-01-01 00:00:00.000
2008-01-01 00:01:00.000
2008-01-01 00:01:00.000
2008-01-01 00:01:00.000
2008-01-01 00:14:00.000
EVERY THING ABOVE HERE IS IN GROUP 1
2008-01-01 00:35:00.000
EVERY THING ABOVE HERE IS IN GROUP 2
2008-01-01 01:01:00.000
2008-01-01 01:03:00.000
2008-01-01 01:03:00.000
2008-01-01 01:04:00.000
EVERY THING ABOVE HERE IS IN GROUP 3
2008-01-01 01:29:00.000
EVERY THING ABOVE HERE IS IN GROUP 4
2008-01-01 01:41:00.000
EVERY THING ABOVE HERE IS IN GROUP 5
2008-01-01 02:25:00.000
2008-01-01 02:28:00.000
2008-01-01 02:31:00.000
2008-01-01 02:33:00.000
EVERY THING ABOVE HERE IS IN GROUP 6
Hope this is enough Info
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Jul 21, 2014
I'm trying to create a report which will give me a break down of how many unique vehicles have been seen between two dates via a 15 minute interval and what Lane they were seen. My current script looks like this
SELECT l.Name [Name], count(l.Name) Total, p.Created
FROM PlateReads p
inner join Lanes l on p.Lane_ID = l.ID
where LicencePlate in (Select Plate from LPRnet_MelAir_C.dbo.TempVehiclePlates)
group by Name
Name being the Lane they were in and the Total being the amount of times a unique vehicle has been seen and p.Created being the date they were seen (thats what I need the interval powered off)
Ideally the output would look like this
16/03/201408:00 to 08:15Bus Lane 15
16/03/201408:00 to 08:15Elevated Road150
16/03/201408:00 to 08:15Public Pickup75
16/03/201408:15 to 08:30Bus Lane 13
16/03/201408:15 to 08:30Elevated Road120
16/03/201408:15 to 08:30Public Pickup55
All the way to 12/04/2014
I’ve got it so it says Lane and Count just can’t get the interval part
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Aug 6, 2006
With the function below, I receive this error:Error:Transaction count after EXECUTE indicates that a COMMIT or ROLLBACK TRANSACTION statement is missing. Previous count = 1, current count = 0.Function:Public Shared Function DeleteMesssages(ByVal UserID As String, ByVal MessageIDs As List(Of String)) As Boolean Dim bSuccess As Boolean Dim MyConnection As SqlConnection = GetConnection() Dim cmd As New SqlCommand("", MyConnection) Dim i As Integer Dim fBeginTransCalled As Boolean = False
'messagetype 1 =internal messages Try ' ' Start transaction ' MyConnection.Open() cmd.CommandText = "BEGIN TRANSACTION" cmd.ExecuteNonQuery() fBeginTransCalled = True Dim obj As Object For i = 0 To MessageIDs.Count - 1 bSuccess = False 'delete userid-message reference cmd.CommandText = "DELETE FROM tblUsersAndMessages WHERE MessageID=@MessageID AND UserID=@UserID" cmd.Parameters.Add(New SqlParameter("@UserID", UserID)) cmd.Parameters.Add(New SqlParameter("@MessageID", MessageIDs(i).ToString)) cmd.ExecuteNonQuery() 'then delete the message itself if no other user has a reference cmd.CommandText = "SELECT COUNT(*) FROM tblUsersAndMessages WHERE MessageID=@MessageID1" cmd.Parameters.Add(New SqlParameter("@MessageID1", MessageIDs(i).ToString)) obj = cmd.ExecuteScalar If ((Not (obj) Is Nothing) _ AndAlso ((TypeOf (obj) Is Integer) _ AndAlso (CType(obj, Integer) > 0))) Then 'more references exist so do not delete message Else 'this is the only reference to the message so delete it permanently cmd.CommandText = "DELETE FROM tblMessages WHERE MessageID=@MessageID2" cmd.Parameters.Add(New SqlParameter("@MessageID2", MessageIDs(i).ToString)) cmd.ExecuteNonQuery() End If Next i
' ' End transaction ' cmd.CommandText = "COMMIT TRANSACTION" cmd.ExecuteNonQuery() bSuccess = True fBeginTransCalled = False Catch ex As Exception 'LOG ERROR GlobalFunctions.ReportError("MessageDAL:DeleteMessages", ex.Message) Finally If fBeginTransCalled Then Try cmd = New SqlCommand("ROLLBACK TRANSACTION", MyConnection) cmd.ExecuteNonQuery() Catch e As System.Exception End Try End If MyConnection.Close() End Try Return bSuccess End Function
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Mar 16, 2006
If two records containing datetime stamps are SELECTed, how can the interval between them be quickly calculated?
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Mar 27, 2007
Hello
I was wondering where I can change the polling interval settings in sql server management studio..
It appears to be different from the one in Enterprise Manager.
very little info can be found on the Internet
Thanks!
Worf
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Oct 1, 2007
Hello ,I have a stored procedure that group a series of event by day. My table Tevent has a timestamp column for every event.Tevent structure:idevent| event| DatetimeEvent
I just found out that I need to group the result by production shift of the day , therefore I have to group the result for everyday from 8 AM until 2 AM the next day.Any idea of how to group by time interval?Thanks
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Nov 9, 2007
Hello,
I have something i called a deletelist, inside this list is items that is waiting to be deleted.
The deletelist looks like this:username nvarchar(20),itemtype int,deletedate datetime
The SP that runs once everyday and deletes post is called Data_DeleteFromDeleteList.
Inside of this SP i have afew delete functions like this one:DELETE FROM reg_user WHERE (username = (SELECT username FROM data_deletelist WHERE (deletedate < getdate() AND itemtype = 0)))
Now i want to add a new delete function to this list, this function is to execute a SP when the itemtype occurs, like this:SELECT EXEC [dbo].[Data_CompletlyDeleteAUser] @UserName = username, @QResult = @QResult OUTPUT FROM data_deletelist WHERE (username = (SELECT username FROM data_deletelist WHERE (deletedate < getdate() AND itemtype = 2)))
any idea of how i can rewrite this function so it works??in this SP im not using the @QResult for anything, thats in another SP
At the end of this SP, i just delete all the old records from the deletelist like this,
DELETE FROM data_deletelist WHERE (deletedate < getdate())
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Feb 1, 2001
I have a stored procedure that needs to executed every 10 seconds (either
at a fixed 10 second interval or 10 seconds from the completion of the stored
procedure). I initially assumed that the SQL Server Agent in SQL Server
7 would allow me to schedule a recurring job at this interval but it appears
that the lowest resolution for scheduling recurring jobs is minutes. The
task needs to begin when SQL Server starts and then run repeatedly.
I would appreciate any suggestions for resolving my problem.
Thanks
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Mar 1, 2015
I am new to this group and to Sql query also. My requirement is the following
I have a table with these values...
colacolb colc cold
16:01 1 2 3
17:01 1 3 4
18:01 5 6 8
16:01 8 2 1
17:01 9 5 1
18:01 3 5 1
16:01 4 6 1
17:01 2 3 5
18:01 8 4 3
Now I want to get the SUM of colb, colc on each interval between 16:01 to 18:01...
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Jan 17, 2007
I'm trying to migration a database from PostgreSQL to SQL Server, but i've found a problem with interval data type, SQL server does not have an interval data type, can someone help me please? I need the solution ASAP due to work deadline =(
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Mar 5, 2008
Hello,
I'm trying to create a group by a set (but can change it later on) time interval.
What I mean by this is the following. I would like to group my data by 5 second intervals, and perhaps have a count for it as well - but that's not required.
For example I have the following data:
PRODUCT, DOOR, TIME_LOCATED
-------------------------------------
chips, 1, 3/5/2008 12:33:30 PM
harddisk, 1, 3/5/2008 12:33:30 PM
tea, 1, 3/5/2008 12:33:31 PM
software, 1, 3/5/2008 12:33:31 PM
chips, 1, 3/5/2008 12:33:32 PM
chips, 1, 3/5/2008 12:33:33 PM
chips, 2, 3/5/2008 12:33:34 PM
software, 1, 3/5/2008 12:33:40 PM
tea, 1, 3/5/2008 12:33:40 PM
software, 1, 3/5/2008 12:33:41 PM
Result in 5 second intervals (so group by values between 3/5/2008 12:33:30 and 3/5/2008 12:33:35)
Something like this?, or does have somebody a better idea?
PRODUCT, DOOR, TIME_LOCATED, COUNT
-------------------------------------------
harddisk, 1, 3/5/2008 12:33:30 PM 1
tea, 1, 3/5/2008 12:33:31 PM 1
software, 1, 3/5/2008 12:33:31 PM 1
chips, 1, 3/5/2008 12:33:33 PM 3
chips, 2, 3/5/2008 12:33:34 PM 1
software, 1, 3/5/2008 12:33:40 PM 2
tea, 1, 3/5/2008 12:33:40 PM 1
THANKS!
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Jul 20, 2005
I have a table(work_order) with time as varchar(5).The values in table looks like thiswork_order_id rtim1 08:152 08:453 10:134 14:56and so on...I want to count how many work orders for every half an hour.The result should look like thisHours Count8 108:30 159 349:30 03and so on....really 8 hours means the work_orders issued (rtim)between 8:00 AND 8:30.Any Help is Appreciated.Thankyou.Jaidev Paruchuri
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Jul 2, 2007
Hi,
I am trying to develop a custom destination component. Is there a way to enable transaction / commit interval in OLE DB drivers?
Thanks,
Vipul
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Feb 13, 2008
Hi, I have a table with 3 columns ( Id int, theValue float , aDate datetime). I want to select the number of rows (count) for which the interval of aDate is less than 7 seconds. Is there a way to achieve that in a single query.
PS: This query will be perform on a dataset, that means that I can't use cursor.
Thanks
Sylvain
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Oct 1, 2007
I am currently using the code below to convert data collected in 1 minute intervals to other time intervals (e.g., 5 minute intervals). The code works fine except for one thing. I would like the DateTime value in the new interval to coincide with the end DateTime value of that interval rather than the ceiling DateTime value (the values of Field1 thru Field4 must be extracted from existing data). The problem occurs when there is no data for a particular 1 minute time period. An example might make this more clear (in this case 1 min data is converted to 5 min data).
'2007-09-30T08:01:00'
'2007-09-30T08:02:00'
'2007-09-30T08:03:00'
'2007-09-30T08:04:00'
'2007-09-30T08:05:00'
Above values are used to create a 5 min interval record with
DateTimeValue for this record (in DestTableName) = '2007-09-30T08:05:00'
That's how it should work. However, missing data causes a problem
in the next 5 min time interval.
'2007-09-30T08:06:00'
'2007-09-30T08:07:00'
'2007-09-30T08:08:00'
'2007-09-30T08:09:00'
Missing value at '2007-09-30T08:10:00'
Above values are used to create a 5 min interval record with
DateTimeValue for this record (in DestTableName) = '2007-09-30T08:09:00'
Instead, I want the DateTime value in DestTableName to be '2007-09-30T08:10:00'
The values in Field1 - Field4 in DestTable have to be drawn from existing data; the only 'artificial' data would be the DateTime time value needed to coincide with the time interval.
USE tempdb;
IF OBJECT_ID('#Data') IS NOT NULL
DROP TABLE #Data;
IF OBJECT_ID('#Grouped') IS NOT NULL
DROP TABLE #Grouped;
DECLARE @dtStart datetime, @dtEnd datetime, @dtDivisor integer;
SET @dtStart = '2007-07-01T08:01:00';
SET @dtEnd = '2007-09-30T16:30:00';
SET @dtDivisor = 5
Select
[DateTime],
[Field1],
[Field2],
[Field3],
[Field4],
CEILING(DATEDIFF(minute,@dtStart,[DateTime])/@dtDivisor) Frame
Into #Data
From
[SourceDbName].[SourceSchemaName].[SourceTableName]
WHERE
(convert(varchar, [DateTime],126) BETWEEN '2007/07/01' AND '2007/09/30') AND
(convert(varchar, [DateTime],114) BETWEEN '08:01:00' AND '16:30:00')
Select
Frame,
MAX(t1.[DateTime]) [Max_DateTime],
MIN(t1.[DateTime]) [Min_DateTime],
MAX(t1.[Field2]) AS [Field2],
MIN(t1.[Field3]) AS [Field3]
Into #Grouped
From
#Data t1
Group By
Frame
Select
Opn.[DateTime],
[Field1],
[Field2],
[Field3],
[Field4]
Into
[DestDbName].[DestSchemaName].[DestTableName]
From
( Select
G.[Frame],
G.[Max_DateTime] as [DateTime],
D.[Field1],
G.[Field2],
G.[Field3]
From
#Data D
Join #Grouped G On D.[DateTime] = G.[Min_DateTime] And D.Frame = G.Frame
) as Opn Join
( Select
G.[Frame],
G.[Max_DateTime] as [DateTime],
D.[Field4]
From
#Data D
Join #Grouped G On D.[DateTime] = G.[Max_DateTime] And D.Frame = G.Frame
) as Cls On Opn.Frame = Opn.Frame And Opn.[DateTime] = Cls.[DateTime]
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Mar 18, 2014
I need to add the Job Interval and Time to the following script:
SELECT DISTINCT 'CYP_BI' AS Server,Jobs.Name AS Job_Name, Jobs.description AS Alias,
'Enabled' = CASE (Jobs.enabled)
WHEN 0 THEN 'No'
WHEN 1 THEN 'Yes'
ELSE '??'
END,
[Code] .....
This query contains the job interval and time but when I add it to the first script I can't get my syntax right:
SELECT DISTINCT
'CYP_BI' AS Server,
S.name AS JobName,
S.description AS Alias,
'ScheduleName' = left(ss.name,25),
'Enabled' = CASE (S.enabled)
[Code] .....
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Jul 29, 2015
I'm trying to consolidate time intervals.
It's like the packing date and time intervals tsql challenge from Itzig Ben Gan.But unfortunalty I have to cope with time intervals priories, e.g. if one time interval with a higher prio overlaps a time interval with a lower one something like this:
time interval 1 prio 2: [--------------]
time interval 2 prio 1: [---]
result: [---][---][----]
I can't get this aligned, but my point is that from the 2 intervals above you get one interval result with the classic packing solution but because of the higher priority of interval 2, I should get 3 intervals as a result.
IF OBJECT_ID('dbo.Sessions') IS NOT NULL DROP TABLE dbo.Sessions;
CREATE TABLE dbo.Sessions
(
sessionid INT NOT NULL,
actid INT NOT NULL,
starttime DATETIME2(0) NOT NULL,
endtime DATETIME2(0) NOT NULL,
[code]....
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Sep 4, 2007
Time Interval for hour and 30 minutes
--------------------------------------------------------------------------------
Hi Everyone
I Have column in sql server databas as "HHMMSS" and data as and i am doing a substring to get values for hours and minutes. since my calculations based on hour interval and 30 minutes interval
for ex: Now i want to show all the transaction done b/w 6 to 7 am or pn.
and for 30 minutes interval i have get the calculation as transactions done b/w 6:00 to 6:30 and 6:30 to 7:00 either it's am or pm. now how i can write my sql statements that calculates hour and 30 minutes intervals
HHMM
-------------
06:43
09:26
09:26
11:58
12:25
18:17
20:45
00:43
00:53
16:47
Thanks
Phani
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Apr 11, 2007
Hi
How can commit interval for OLE DB destination be set when the data access mode is not "fast load".
What happens in oledb destination in case of a failure in package? How does the roll back happens. I mean how is the commit point set in oledb destination? I know about the transaction options which are at the package level.
Thanks,
Vipul
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Oct 17, 2007
I have a SSRS report where I am displaying the data for 3 years in a column chart. I am trying to get the x-axis labels to be the first of the month. e.g. using UK date syntax 01/01/07;01/02/07 (1st Feb); 01/03/07 .....
If I check 'numeric or timescale' I get the result I want in 6 month steps when I would like monthly steps. If I use an interval value that does not help as months have different number of days. So an interval of 30 means I end up display 02/03/07 when I want 01/03/07
Can anyone confirm how I can change the label frequency from 6 months to 1 month?
Regards
Leo
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Nov 29, 2006
Hello there
I'm having data store in database at interval of 2sec.
hence if i read data for 1 week(7days) it returns me huge amount of data
so what i want to do is to read data at some varying intervals e.g 30 sec or 50 sec for perticular datetime range
Please tell me suitable query to have such selected data base
Thanks in advance
AVD
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Nov 9, 2006
What replication parameter sets the interval in which data in the conflict tables is deleted in SQL Server 2000 SP4?
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Apr 27, 2006
I'm using conversation timers successfully to fire events at a predetermined time in the future, but I'm running into issues when using an interval of considerable size. I set the conversation timeout like so:
set @Timeout = DATEDIFF(SECOND, GETDATE(), DATEADD(MINUTE, -(@TimeOffset), @FollowUpDateTime));
if (@Timeout < 0)
set @Timeout = 1;
// begin dialog
begin conversation timer (@FollowUpConversation)
timeout = @Timeout;
In this case @Timeout was 94693494.
In the SQL error log I see the following error: "Invalid subcommand value 94693494. Legal range from 1 to 2147483."
I thought I may check the @Timeout value and simply set it to 2147483 if it is larger than 2147483, but I was wondering if there was a reason the upper limit was so small.
Thanks,
Chris
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May 14, 2015
I have problem to execute query with interval date.
If try this query I don't have problem and the output is correct:
Code:
SELECT * FROM dotable
WHERE
dotableDate BETWEEN CONVERT (datetime, '01/01/2015', 121)
AND CONVERT (datetime, '09/01/2015', 121);
Instead if try this I have error:
Code:
SELECT * FROM dotable
WHERE
dotableDate BETWEEN CONVERT (datetime, '25/01/2015', 121)
AND CONVERT (datetime, '28/01/2015', 121);
[Err] 22007 - [SQL Server]The conversion of a varchar data type to a datetime data type resulted in an out-of-range value.
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Sep 4, 2015
I tried this:
SELECT Convert(smalldatetime,Round(Convert(float,(dbo.fnDateOnly(getDate())))+16.0000000/24.0000000,6))
Result: 2015-09-04 16:00:00
It works (FnDateOnly strips the time).
Is there a more efficient way ?
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Jul 11, 2013
I want to check a record in my table which has time ins and time outs feilds. I want to check on insertionof any new record that a new record should not be inserted on same timings and before 45 mins of timein and after 45 mins of timeout. How do i do it sql query ?
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Dec 4, 2007
How do i use delete to perform a delete action of a value from a table using an interval of values?
--
delete [table] from [field]='[value]' to '[value]'
-- or
delete [table] where [field]='[value]' to '[value]'
--
i can't delete an interval of values (from...to) from a field of a certain table...
What is the right expression to do this?
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Jun 5, 2015
I have 3 requests to do and all 3 are below in SQL , i am planning to keep them as job and run on regular intervals as per request ..
1.Poll the contract approval table for no prepared new contracts. Check every 30 minutes from 9am to 10pm – 7 days a week.
IF NOT EXISTS (SELECT * FROM ContractApproval WITH (NOLOCK) WHERE ContractPrePared>DATEADD(MINUTE, -30, GETDATE()))
BEGIN
SEND DBMAIL ---i have this part working already
END
2.Poll the contract approval table for no new signed contracts. Check every 30 minutes from 9am to 10pm – 7 days a week.
IF NOT EXISTS (SELECT * FROM ContractApproval WITH (NOLOCK) WHERE DateSigned>DATEADD(MINUTE, -30, GETDATE())
BEGIN
SEND DBMAIL ---i have this part working already
END
3.Poll the lead table for no new leads. Check every 5 minutes. 24/7.
IF NOT EXISTS (SELECT * FROM Lead WITH ( NOLOCK ) WHERE DateCreated > DATEADD(MINUTE, -5, GETDATE()))
BEGIN
SEND DBMAIL ---i have this part working already
END
I am planning to keep 1,2,3, in seperate sp's and run them as JOBS....how can i achieve below a,b ?
a.The procedures should accept a parameter that indicates the interval, in minutes, that they should look back
b.Each step in 3 jobs should invoke the procedures, specifying the interval with which the job runs at
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May 12, 2014
I am using the below script and I am getting data for 15 minutes interval. I would like to aggregate this data to hourly so instead of reading for 2014-01-01 00:15:00.000 and 2014-01-01 00:30:00.000 I want all the data aggregated for 2014-01-01 00:00:00.000 and then for 2 o’clock. how should I tweak this query to sum the interval values and display it?
SELECT r.MeterId, r.ReadingDate, r.Reading
FROM MeterReading r, MeterDetail d, Building b
where r.MeterId = d.MeterId
and d.BuildingId = b.BuildingId
and b.BuildingName like '%182%'
and r.ReadingDate between '2014-01-01'and '2014-01-10'
order by r.MeterId
Current Output
MeterIdReadingDateReading
3969 1/01/2014 0:000
3969 1/01/2014 0:150
3969 1/01/2014 0:300
3969 1/01/2014 0:450
3969 1/01/2014 1:000
3969 1/01/2014 1:151
3969 1/01/2014 1:300
3969 1/01/2014 1:450
3969 1/01/2014 2:000
3969 1/01/2014 2:150
3969 1/01/2014 2:300
3969 1/01/2014 2:450
3969 1/01/2014 3:000
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May 20, 2015
I have a simple table as shown:
I want to have values on the last column to represent the time interval between the 2 date columns (visits); i.e for event-ID 2 for example, I will have
entry(EventID = 2) - exit(EventID = 1), and so on
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Oct 8, 2015
I try to find out how many jobs where run in parallel on my server in an interval of time. For example: between 1:00 AM and 2:00 AM there were MAX 66 jobs that run in parallel and MIN 4 jobs. I am not sure if I can find this info out from a system view or I need to play with sysjobhistory view.
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