The DB Freezes For 5 Or 10 Minutes
Oct 9, 2007
Hi,
the SQL DB freezes and no one can access the DB for 5 or 10 minutes. Even select queries don t execute, nothing is displayed.
Until we kill the process id that s blocking in the sql activity monitor, only then the DB is released and people can work again.
What does it mean that no query executes until we kill the processes ID? what could it be?
Also, recently we created indexes and ran tuning adviser, is it possible that the creation of indexes cause the freeze of a DB? is that possible?
Thanks a lot for your help
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Apr 21, 2015
My table as data as follow,
IF EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[table_Data]') AND type in (N'U'))
DROP TABLE [dbo].[table_Data]
GO
/****** Object: Table [dbo].[table_Data] Script Date: 04/21/2015 22:07:49 ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
IF NOT EXISTS (SELECT * FROM sys.objects WHERE object_id = OBJECT_ID(N'[dbo].[table_Data]') AND type in (N'U'))
[code].....
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Feb 27, 2001
Ok,
My SQL Server production DB freezes for 20 minute periods about 3 times a day, during
this time no-one can do anything. I checked the perf. monitor counters (all
the ones there at default), the scary part is that they ALL fall to 0 during
the freeze, then rise to normal. Yes, that's zero %!
I checked the ID's connecting, there are no common ones that connect just
before a freeze, and there are no hardware issues. It's only a 400Mb DB,
with a trans log of 120Mb. Between 200-400 users are connected during
business hours, both from the LAN and off. Some users are running some
fairly heavy reports, but there's no correlation between these and the
freezes. The biggest table only has 1.5 million rows, and the average query
time is 232 milliseconds.
This whole mess has been going on since the 15th of Jan, we searched high
and low for any alterations made, but the client swears blind that no
changes were made. Any ideas anyone?
Thanks in advance all,
Jaishel.
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Nov 15, 2004
Hi all !
Hi have a package with 3 steps :
1 - import data from flat file into a temp table
2 - copy selected data from the temp table to permanent tables
3 - truncate temp table
The task #2 is a SQL statement
INSERT INTO MODELS (MODEL_ID)
SELECT DISTINCT MATNR
FROM STANDARD
WHERE MATNR NOT IN (SELECT MODEL_ID FROM MODELS)
where STANDARD is the temp table and MODELS a permanent one. My problem is this simple task freezes all the time. It stalls on 'Starting' and stays in this state forever when I execute the package.
Any idea why ?
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Feb 24, 2004
I am installtion MSDE on a Windows XP Pro. The install gets through to 5 seconds and freezes. THis sits for about an hour and nothing happens. The Microsoft SQL Server folder is created, but the services are not created. We tried to reinstall many times and removed the registry key before each reinstall (after uninstalling and rebooting). Any ideas about what could be wrong?
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Jul 24, 2007
We're running the Microsoft product SMS 2003 SP1 for software deployment, patching, hardware inventory, etc. The back-end is SQL 2000 Enterprise SP4 which is installed on the same box as the SMS 2003 SP1 product, and the DB is 145GB's.
We started noticing that the server would freeze every minute or so for 30 seconds. We started logging stats via perfmon and saw that the average disk queue length for the physical drive of F: would skyrocket between 400 - 500 for 30 seconds at the same time the freezing occurred. I have determined that this is occurring during the checkpoint. The recovery interval option is set to the default of 0 on SQL, when I changed the setting to every 5 minutes, the average disk queue length for the physical drive of F: would skyrocket between 400 - 500 every 5 minutes and would subside after 2 minutes. I understand the need for the checkpoint / recovery interval option, but don't believe this high average disk queue length should be occurring.
Does anyone know why this is happening and how to fix this ? The freezing of the box while checkpointing is killing me.
Thanks
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Mar 5, 2008
Hi all
I have a master table, with ID Column int, and Description column Varchar
And another details table, with MasterID Int, and Detail id INT
If i use this query:
SELECT * FROM table1 a INNER JOIN table2 b ON a.id_col=b.id_col
Never returns data, and get freeze, and i have to kill process on Managment
But if i use this:
SELECT * FROM table1 a INNER JOIN table2 b ON a.id_col=b.id_col+0
It returns data i Want, is this a Bug? Or i have an error?
The 2 columns is the same data.
But if I run this,
SELECT * FROM table1 a INNER JOIN table2 b ON a.id_col+0=b.id_col
Nothing happens,
What could it be?
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Jun 24, 2002
SQL server freezes my machine.l'm running sql2000 and sp2.Every now and then it freezes my machine as if its running a process in the background. How can l sort this out its slowing my machine down.
l've got 512mb of ram and l don't see why l should have problems with memory .Please help
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Feb 27, 2004
Hi
We are repeatedly having the trouble of our publisher database becoming unresponsive during network problems.
We have publisher in carribean, distribution agent in canada and subscribers all over. The problem comes when publisher cant deliver to distributor due to network outages.
We are planning on moving the distributor to the carribean ultimately but that will take a while, and our application repeatedly needs to be restarted due to these freezes.
Does anyone know of this problem & possible ways to fix it in the short term (short of changing our replication topology).
is this a bug in replication?
ps.database is merge & transactional pubs. (some tables merge/some trans)
help much apprec,
des
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Apr 4, 2008
Hi, I'm using SQL2005 v9.00.3042.00 (SP2) on Windows 2003. I have a situation, when I turn on and begin to trace a database using the "SQL server Profiler", that particular VB application that uses the databases freezes (hourglass) when user click on anywhere that require a data query (download list, etc.) until I either pause or stop the trace, what gives? Thanks in advance.
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Mar 7, 2008
Set up - windows server 2003 - SQL server 2000 + tools installed
Not sure why its happening but recently when running some scripts onto one of the databases held on the server windows crashes.
I say crashes - it is non responsive but the mouse cursor can be moved.
these scripts are not being run from the server but from one of many machines on our companies network.
Any suggestions would be great
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Feb 28, 2007
We have SQL 2000 running on Server 2003. The server has 4 GB RAM, RAID 1 and has the /3GB switch in Boot.ini. We have 6 databases, the largest is about 14 GB. Until recently I could use Enterprise Manager to perform database backups to a folder on the same server but now the operation fails. After selecting the location for the backup and clicking OK, the hard drive light comes on but goes out after 15 - 30 seconds. The progress bar does not move. I've waited and waited but nothing further happens and the server doesn't respond. The only solution is to push the power button and let the server re-boot. Very occasionally the backup will run for a minute or two and the progress bar might get to about one third of the way across, (in which case the destination file will show up with more than 0 bytes), but it never completes. I can find nothing in the event log relating to this problem. As far as I am aware, nothing has changed since the last successful backup. Backups to tape using Retrospect appear to work fine but I haven't done a test restore. Does anyone have any ideas as to what I can try to get the backups working again?
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Apr 9, 2008
I am trying to move data from a transactional database to a data warehouse using a slowly changing dimension. The transactional data comes from a view in SQL server that takes <60 seconds to run and returns about 60k rows. The warehouse table is currently 80k rows long (and growing), and contains 7 historical (type 2) dimensions. When I execute the package in BIDS the DataFlow Task begins to execute, and shows that between 20k and 30k rows have been pulled from the data source into the SCD Transform in the first hour before it simply stops doing anything. This is not to say execution stops; it continues. There is no error thrown. No warning given. System resources are 98% free. The database is not being hit at all. And yet, I have let the package sit 'still' as it were for over 8 hours, and nothing ever happens.
Here is a copy of one log:
starttime endtime message
4/8/2008 9:36 4/8/2008 9:36 Execute phase is beginning.
4/8/2008 9:36 4/8/2008 9:36 PrimeOutput will be called on a component. : 1715 : Union All
4/8/2008 9:36 4/8/2008 9:36 A component has returned from its PrimeOutput call. : 1715 : Union All
4/8/2008 9:36 4/8/2008 9:36 PrimeOutput will be called on a component. : 2912 : Staged Queues
4/8/2008 9:36 4/8/2008 9:36 Rows were provided to a data flow component as input. : : 2970 : DataReader Output : 70 : Slowly Changing Dimension : 81 : Slowly Changing Dimension Input : 9947
4/8/2008 9:37 4/8/2008 9:37 A component has returned from its PrimeOutput call. : 2912 : Staged Queues
4/8/2008 9:37 4/8/2008 9:37 A component has returned from its PrimeOutput call. : 2912 : Staged Queues
4/8/2008 9:59 4/8/2008 9:59 Rows were provided to a data flow component as input. : : 1718 : New Output : 1715 : Union All : 1716 : Union All Input 1 : 3825
4/8/2008 9:59 4/8/2008 9:59 Rows were provided to a data flow component as input. : : 1688 : Historical Attribute Inserts Output : 1682 : Get End Date : 1683 : Derived Column Input : 645
4/8/2008 9:59 4/8/2008 9:59 Rows were provided to a data flow component as input. : : 1702 : Derived Column Output : 1692 : Update End Date : 1697 : OLE DB Command Input : 645
4/8/2008 10:01 4/8/2008 10:01 Rows were provided to a data flow component as input. : : 1759 : OLE DB Command Output : 1715 : Union All : 1758 : Union All Input 2 : 645
4/8/2008 10:01 4/8/2008 10:01 Rows were provided to a data flow component as input. : : 2970 : DataReader Output : 70 : Slowly Changing Dimension : 81 : Slowly Changing Dimension Input : 9947
4/8/2008 10:24 4/8/2008 10:24 Rows were provided to a data flow component as input. : : 1718 : New Output : 1715 : Union All : 1716 : Union All Input 1 : 3859
4/8/2008 10:24 4/8/2008 10:24 Rows were provided to a data flow component as input. : : 1688 : Historical Attribute Inserts Output : 1682 : Get End Date : 1683 : Derived Column Input : 641
4/8/2008 10:24 4/8/2008 10:24 Rows were provided to a data flow component as input. : : 1702 : Derived Column Output : 1692 : Update End Date : 1697 : OLE DB Command Input : 641
4/8/2008 10:26 4/8/2008 10:26 Rows were provided to a data flow component as input. : : 1759 : OLE DB Command Output : 1715 : Union All : 1758 : Union All Input 2 : 641
4/8/2008 10:26 4/8/2008 10:26 Rows were provided to a data flow component as input. : : 2970 : DataReader Output : 70 : Slowly Changing Dimension : 81 : Slowly Changing Dimension Input : 9947
4/8/2008 10:49 4/8/2008 10:49 Rows were provided to a data flow component as input. : : 1718 : New Output : 1715 : Union All : 1716 : Union All Input 1 : 3969
4/8/2008 10:49 4/8/2008 10:49 Rows were provided to a data flow component as input. : : 1688 : Historical Attribute Inserts Output : 1682 : Get End Date : 1683 : Derived Column Input : 662
4/8/2008 10:49 4/8/2008 10:49 Rows were provided to a data flow component as input. : : 1702 : Derived Column Output : 1692 : Update End Date : 1697 : OLE DB Command Input : 662
4/8/2008 10:49 4/8/2008 10:49 Rows were provided to a data flow component as input. : : 1793 : Union All Output 1 : 1787 : Get Start Date : 1788 : Derived Column Input : 9947
4/8/2008 10:49 4/8/2008 10:49 Rows were provided to a data flow component as input. : : 1814 : Derived Column Output : 1797 : Insert Destination : 1810 : OLE DB Destination Input : 9947
4/8/2008 15:34 4/8/2008 15:34 The pipeline received a request to cancel and is shutting down.
4/8/2008 15:34 4/8/2008 15:34 Thread "WorkThread1" received a shutdown signal and is terminating. The user requested a shutdown or an error in another thread is causing the pipeline to shutdown.
4/8/2008 15:34 4/8/2008 15:34 Thread "WorkThread1" received a shutdown signal and is terminating. The user requested a shutdown or an error in another thread is causing the pipeline to shutdown.
4/8/2008 15:34 4/8/2008 15:34 The pipeline received a request to cancel and is shutting down.
4/8/2008 15:34 4/8/2008 15:34 Thread "WorkThread1" has exited with error code 0xC0047039.
4/8/2008 15:34 4/8/2008 15:34 Thread "WorkThread1" has exited with error code 0xC0047039.
Notice the time difference between the last OnPipelineRowsSent event and the first OnError event (when I clicked the stop button): 5 hours! In all that time, SSIS did not log a single event, or use more than 2% of my processor or exceed 1GB page file or hit the database even once! I am assuming this means it is simply not doing anything. It is not failing, nor is it executing, it is just sitting there.
Has anyone experienced a similar problem? Does anyone know how I might troubleshoot this? Thanks in advance for any help, and let me know if I need to clarify. Also, I am new to SSIS, so if I am missing something obvious, go easy on me! Thanks.
Mitch Connors
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May 29, 2007
Hi Everybody,
I am having a very weird problem, and I was wondering if you have any idea about what I could do to fix this.
In a nutshell:
* I have this application that uses ADODB and ODBC to connect to an SQL database.
* We have two installations: one running SQL 2000 sp 3, and the other SQL 2005 sp 1.
* The one that runs on SQL 2000, my app performs 8,500 transactions a day with no problem.
* The one that runs on SQL 2005, my app performs 200 transactions a day, and goes down at least once a day.
Trying to figure this out, I noticed that, from time to time, when working with SQL 2005, the application kind of freezes when it tries to read or write to the database, and after a while (say 20 seconds or more), it continues as if nothing had happened. Trying to debug this issue, I noticed that this wait time period is ended if I close one of the other open connections that I have (say, I close the query analyzer)
As people may say, ADODB and ODBC should no longer be used... however, I have noticed this same kind of behavior with other tools, like the query analyzer from the SQL 2000 client tools when connecting to the SQL 2005 server.
I suspected a Licensing issue... however, I haven't been able to replicate this problem by opening several query analyzer instances.
Any help is greatly appreciated!!!!!
Best Regards,
Manuel
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Aug 18, 2006
After I change a fairly complex stored procedure and I run a reportagainst it, crystal hangs at "assesing database". I have verified thedatabase. When I run a trace on SQL is shows repeated cachemiss overand over. I let it run for 30 minutes and nothing.Anyone?
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Nov 20, 2007
To the Moderator:
I am not sure if this thread needs to go into this forum or there is one for C# stored procedures/CLR Database Objects.
To All:
Is this a known issue that when debugging CLR stored procedures the VS 2005 freezes even before reaching into the stored procedure? I can restart my computer and debugging works for a while and then it starts to take forever when I step into (F10) during debugging. I am running only one instance of sql server, and even that of my local machine as I have never been able to debug on a remote server.
This random and unstable behavior of the debugger is proving very unproductive and costly. Is there a microsoft update/fix/patch to make debugging CLR stored procedures a smooth process?
Thanks.
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Dec 12, 2013
I'm trying to use SSIS in MSSQL 2012 to extract data from MAS90 database.The connection string is tested to be working, because I can extract successfully using the same one in Excel.I follow the wizard of import data in management studio, but after selecting the tables and mapping all those things, when clicking finish, the management studio always freezes.
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Dec 19, 2005
Hi,
The SQL Server Database hangs overnight and also consumes high disk space on one of our servers. This has been recurring for quite a few weeks and occurs daily.
Can somebody assist me in trouble-shooting the same
Thanks in Advance
Deepak
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Mar 7, 2007
Hello again!
Once again I got stuck with a weird problem and I´m dependent on you.
I built a Data Flow task in which I did an OLE-DB Source Adapter with a SQL-Query as Source.
The Query goes on a Linked Server which connects to a Informix Table via ODBC. When I enter the Query and klick "OK" or try to go on the "Columns"-Tab, the BIDS freezes completely and the "Delay Notification Message" appears in the System Tray. When I check the Activity Monitor of my SQL Server, there´s a process marked as "Runnable" (green) which contains the Query
"select collationname(0x0904D00034)"
This one is oviously run by Visual Studio and doesen´t execute properly. I waited for an hour or so, but nothing changes. I´m running SQL Server 2005 SP2 (9.00.3042)
Any help would be greatly appreciated!!!
Thanks in advance!
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Dec 5, 2006
I have a fuzzy lookup in a data flow but this data flow never gets pass pre-execute phase. What is the problem?
Thanks
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Dec 10, 2007
I have a package that hangs in the designer after I change the sql statement in a DataReader Source from a 'select' to a 'call stored procedure'. The stored procedure takes 2 date parameters. I use an expression to build the 'call stored proc' statement and the 2 date strings. The data reader source uses an ADO.Net connection manager. The ADO.Net connection manager uses the provider for MySQL (Connector/.Net 5.1) which I installed from MySQL.com (http://dev.mysql.com/downloads/connector/net/5.1.html). Before creating the stored procedure I had been using an expression to build a 'select' statement with two date variables as follows:
select ...
where ads.last_seen >= "" + (DT_STR,10,1252) Year(@[User:: StartDate] ) + "-" + (DT_STR,10,1252) Month(@[User:: StartDate] ) + "-" + (DT_STR,10,1252) Day(@[User:: StartDate] )
+ "" and ads.first_seen <= "" + (DT_STR,10,1252) Year(@[User::EndDate] ) + "-" + (DT_STR,10,1252) Month(@[User::EndDate] ) + "-" + (DT_STR,10,1252) Day(@[User::EndDate] )+ "" group by sm.service_provider_id,lm.location_id,lm.web_sublocation_id;"
The sql for the data reader source is set via the sql command property of the data flow component.
After testing the sql, I created a stored proc from this sql and then changed the expression (using the sql command property of the the data flow component) to build the 'call stored proc' statement, like this.
"call usp_SEL_Rollup ("" + (DT_STR,10,1252) Year(@[User:: StartDate] ) + "-" + (DT_STR,10,1252) Month(@[User:: StartDate] ) + "-" + (DT_STR,10,1252) Day(@[User:: StartDate] ) + "","" +(DT_STR,10,1252) Year(@[User::EndDate] ) + "-" + (DT_STR,10,1252) Month(@[User::EndDate] ) + "-" + (DT_STR,10,1252) Day(@[User::EndDate] ) +"");"
then when I tried to switch to the data flow tab, the editor froze, with the status bar saying "validating datareader source". The data flow tab says "Loading...". I don't know how to troubleshoot this. Each time I have tried I have had to kill the application. Any ideas/suggestions?
Thanks,
Al
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Aug 12, 2005
Hi,
I have a job where the first step starts and checks for a condition. If its not true, I want it to reset itself and start again in 10 minutes. I'm using sp_stop_job and sp_update_jobschedule and, initially, it looks like it works. But since it's a Daily job, the 'Next Run Date' increments to the following day. Even though I'm using sp_update_jobschedule to keep the active_start_date as the same day, it still increments. I've tried updating sysjobschedules directly, but get the same results.
Any thoughts much appreciated! Here's my code:
USE msdb
--This is the part that goes in the job step
--and increments the next_run_time if the condition is true.
If
(Select count('x') from mytable (NoLock)
Where PublicationDate > getdate()) < 1
BEGIN
Declare @ActiveStartDate int
Declare @ActiveStartTime int
Select @ActiveStartDate = active_start_date from msdb.dbo.sysjobschedules (NoLock)
Where schedule_id = 61
Select @ActiveStartTime = active_start_time from msdb.dbo.sysjobschedules (NoLock)
Where schedule_id = 61
EXEC msdb.dbo.sp_stop_job @job_name = 'Owners'
Select @ActiveStartTime = @ActiveStartTime + 1000
EXEC sp_update_jobschedule @job_id = '46C074D4-908D-46AE-8B0C-A23E3AD4A4F6',
@name = 'Daily',
@active_start_date = @ActiveStartDate,
@active_start_time = @ActiveStartTime
End
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Mar 27, 2006
I am trying to develop a sql statement that will create a recordset of the min (or max) values in x minute increments over a period of time.
e.g. over a period of 7 days, I have data that was collected in 1 minute intervals. I need to know the min (or max) value in each 10 minute interval over that same period of time.
Is there an efficient way of doing this?
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Mar 4, 2002
Hi,
I need to write a query whioch give me count on
0-15 minutes and then from 0-720 minutes.
I don't know how to group it.
Any help appreciated.
TIA
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Aug 3, 2004
hey all, i need to find the ratio of difference in 2 datetime variables and the difference of another 2 datetime vars. I figured the best way to do it is to convert the difference in both numerator and denominator to number of minutes.
can anyone help ??
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Sep 25, 2006
:shocked: hi,
I want to use CURRENT_TIMESTAMP - 5 minutes in a select and where clause.
I have tried using
CURRENT_TIMESTAMP - 0.004 AS [Time_-6]
But this is not a round off to a whole minute
Also tried
CURRENT_TIMESTAMP, dateadd(minute, datediff(minute, 0, CURRENT_TIMESTAMP) / 5 * 5, 0)
But this will not do wholes seconds e.g
CURRENT_TIMESTAMP = 10.03.33
CURRENT_TIMESTAMP, dateadd(minute, datediff(minute, 0, CURRENT_TIMESTAMP) / 5 * 5, 0) = 10.00.00
Can anyone help??
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Sep 27, 2006
Hello all !
I am runing from .NET application an SQL Query
it normally return the rows in 10 seconds
but time to time the application turn 2 or 3 minutes and nearlly crash (or crash)
with exactly the same datas in database
what can be the reasons ?
thank you
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Apr 16, 2004
I have a result that comes out in number of seconds, but need to see it converted to minutes and hours and seconds. Is there a convert function that would do this?
Thanks,
Dan
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May 11, 2008
how can i get my date minus 15 minutes in sql?
is there a dateadd function?
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Sep 20, 2013
I have this script that runs on a LOGGING database and find hourly requests for a particular firm.
The date format is "2013-08-19 13:44:50.177"
How can I group it by every 15 mins?
select
LocalDate [date],
LocalHour [Hour],
count(*) [requests],
avg(web_request_duration) [avg response time],
min(web_request_duration) [min response time],
max(web_request_duration) [max response time]
[Code] ....
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Oct 28, 2014
I am using below query to get the today date and time(2 hrs more than actual time)
select dateadd(HOUR, 2, getdate()) as time_added
the result of above query is "2014-10-28 13:19:09.343" but I want time up hours like shown below
"2014-10-28 13:00"
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Aug 30, 2005
Consider a table that holds Internet browsing history for users/machines,date/timed to the minute. The object is to tag all times that are separatedby previous and subsequent times by x number of minutes or less (it couldvary, and wouldn't necessarily be a convenient round number). This willenable reporting "active time" for users (a dubious inference, but hey).There are a lot of derivative ways of seeing this information that might begood to get to. What's the fist and last of these sets of times? Whatpercentage of a given period is spanned by active times, and not? What isthe average duration of such periods? What is the average interval betweenweb hits during such periods? During other times?Blah, blah. The basic problem is my principal problem. I don't have muchexperience with cursors, but from what I understand it would be very goodindeed to spare them, given the number of records I anticipate workingwith.I'd be glad of any pointers.--Scott
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Nov 19, 2006
Hi,
I have SQL 2005 full version installed a remote server and when I start my computer I can connect to the database from SQL Managment Studio and a program I'm making. After about 15 minutes I find that I cannot connect using both programs, but if I enter the servers IP address using Managment Studio I can connect (this does not happen with the program I'm making). I have to log of my computer before I can connect again.
Anyone having the same problem or how to fix it??
Thanks
PQSIK
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