Major Time Out Issue
Mar 27, 2007
I have created a database with three tables. The database has been up for a month now and contains about 20,000 records. In order to improve performance and resolve some issues I an attempting to change some of the table information. i.e. allow nulls in a few fields. When I use TSQL or the GUI to make these changes I get the following error: Timeout expired. The timeout period elapsed prior to completion of the operation or server not responding.
Source: .Net SQLClient Data Provider
I have SQL Server Express SP2 installed with .Net framework v3.0
Note: This issue appears when I attempt to delete a row from a table as well.
Any thoughts?
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May 21, 2008
Hello,
I need some major help, I need to make a database using SQL server for a forum, now I am using pHpBB, but i need that database. I was thinking about it, it doesnt need to be complicated or anything. I really have no idea where to start so any help.
Thank you in advance
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Apr 8, 2007
I have a new business, and a part of that business includes receiving large amounts of data from time to time. I just found out yesterday that I'm going to be receiving about 1TB of data from an new client! I'm not set up at all for this large of a data set.
I want to use SQL Server as my database. Can I load SQL on a Desktop PC without having to buy a server? How?
I don't have a clue as to how I need to get set up for this data...hardware or software. Any advice you can give will be outstanding!!!!!
Thanks.
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Jan 22, 2008
I have a site that was supposed to go live yesterday.I am using M$ SQL Express 2005 and the Express Manager.I setup everything using Windows authentication on my local computer. I backed up the database through the manager and simply did a restore to the live database server.I copied my aspx files and everything else.I changed my connection string to allow for SQL Authentication (because I was having trouble with Windows authentication).For some reason, my SQL authenticated user can do whatever it wants within the SQL manager, but I am unable to login to the site. I get no errors, just the usual failed login attempt text.Can someone please help. I don't know where to start on this one.Thanks,Joshua Foulk
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May 26, 2004
I hope I haven't messed up! I was importing some data, and it started taking too long and seemed to have locked up, I did a cold boot and when I tried to open the db it would just load...
I have then detached it and tried to reattach the db, but it seems to just load forever.. I let it sit there for an hour and still nothing...
the DB has a 17gig LDF file and I can't attach without it...
PLEASE HELP!
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Apr 7, 2008
For some reason when I'm trying to restore a back up, I'm encountering this problem, I've asked numerous people and been in and out of chatrooms all day and night, has anyone got any idea what to do?
/Sil
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Feb 18, 2007
Guys I'm sorry to be asking such a routine question...
I'm having trouble figuring out how to make this function dynamic enough to handle multiple insert statements.1 public int Add()
2
3 {
4
5 string SQL;
6
7 SQL = "INSERT INTO [BuildingInterior] (PropertyID, CeilingHeight, " +
8
9 "LoadingDocks, PassengerElevators, FreightElevators, PassengerEscalators, " +
10
11 "FireSprinklersID, SecurityCameras, SmokeDetection, FireAlarms, " +
12
13 "GasDetection, SecureAccess, HeatTypeID, AirConditioningID, " +
14
15 "AirExchange, InternetAccessID, InteriorDescription) " +
16
17 "VALUES ( @PropertyID, @CeilingHeight, " +
18
19 "@LoadingDocks, @PassengerElevators, @FreightElevators, @PassengerEscalators, " +
20
21 "@FireSprinklersID, @SecurityCameras, @SmokeDetection, @FireAlarms, " +
22
23 "@GasDetection, @SecureAccess, @HeatTypeID, @AirConditioningID, " +
24
25 "@AirExchange, @InternetAccessID, @InteriorDescription)";
26
27 PropertyDB myConnection = new PropertyDB();
28
29 SqlConnection conn = myConnection.GetOpenConnection();
30
31 SqlCommand cmd = new SqlCommand(SQL, conn);
32
33 cmd.Parameters.Add("@PropertyID", SqlDbType.Int).Value = PropertyID;
34
35 cmd.Parameters.Add("@CeilingHeight", SqlDbType.NVarChar, 50).Value = CeilingHeight;
36
37 cmd.Parameters.Add("@LoadingDocks", SqlDbType.NVarChar, 50).Value = LoadingDocks;
38
39 cmd.Parameters.Add("@PassengerElevators", SqlDbType.NVarChar, 50).Value = PassengerElevators;
40
41 cmd.Parameters.Add("@FreightElevators", SqlDbType.NVarChar, 50).Value = FreightElevators;
42
43 cmd.Parameters.Add("@PassengerEscalators", SqlDbType.NVarChar, 50).Value = PassengerEscalators;
44
45 cmd.Parameters.Add("@FireSprinklersID", SqlDbType.Int).Value = FireSprinklersID;
46
47 cmd.Parameters.Add("@SecurityCameras", SqlDbType.NVarChar, 50).Value = SecurityCameras;
48
49 cmd.Parameters.Add("@SecurityAlarms", SqlDbType.NVarChar, 50).Value = SecurityAlarms;
50
51 cmd.Parameters.Add("@SmokeDetection", SqlDbType.NVarChar, 50).Value = SmokeDetection;
52
53 cmd.Parameters.Add("@FireAlarms", SqlDbType.NVarChar, 50).Value = FireAlarms;
54
55 cmd.Parameters.Add("@GasDetection", SqlDbType.NVarChar, 50).Value = GasDetection;
56
57 cmd.Parameters.Add("@SecureAccess", SqlDbType.NVarChar, 50).Value = SecureAccess;
58
59 cmd.Parameters.Add("@HeatTypeID", SqlDbType.Int).Value = HeatTypeID;
60
61 cmd.Parameters.Add("@AirConditioningID", SqlDbType.Int).Value = AirConditioningID;
62
63 cmd.Parameters.Add("@AirExchange", SqlDbType.NVarChar, 50).Value = AirExchange;
64
65 cmd.Parameters.Add("@InternetAccessID", SqlDbType.Int).Value = InternetAccessID;
66
67 cmd.Parameters.Add("@InteriorDescription", SqlDbType.NVarChar, 50).Value = InteriorDescription;
68
69 cmd.ExecuteNonQuery();
70
71 cmd.CommandText = "SELECT @@IDENTITY";
72
73 this.BuildingInteriorID = Int32.Parse(cmd.ExecuteScalar().ToString());
74
75 conn.Close();
76
77 return this.BuildingInteriorID;
78
79 }
80
Should I just pass an array of column names and use the AddWithValues SqlCommand method while looping through the array?
Any comments are greatly welcomed.
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Dec 2, 2006
hi
stored procedure and trigger which runs on serverside and which runs on client side.
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Apr 13, 2008
I have a report with a table and three columns. Whenever the data in one of the columns cannot fit on a single page it continues on the next page BUT, there is no header on the next page and the data in the other two columns repeats itself on the next page. (This behavior happens when I export to PDF)
Is this a known issue? I have tried every setting I could think of.
Thanks
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Jul 5, 2006
I have a horizontal barchart with integer values, both positive and negative. Major gridlines are shown and I have not specified the interval or the label format. Sometimes the gridline labels (Y axis) show decimal values. Is there anyway to format these? I have tried to format the labels as "#0" but then I see labels occuring twice. I have also played with the intervals, but then sometimes, depending on the values, the zero line is not being shown.
Does anybody have an idea?
Thanks in advance!
Joos
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Mar 13, 2007
Hi,
We have a product that is developed in ASP and works with SQL Server 2000 or 2005. Since it€™s an ERP, we also use Reporting Services 2000 or 2005. Our application needs 3 registered DLLs that were, a long time ago, developed to support our entire application.
Since we are using Windows Server 2003 x64 editions in our clients with SQL Server 2005 x64 edition, we managed to register the 32 bit DLLs in the 64 bit system. We installed them as a COM+ component, ran the command €ścscript.exe adsutil.vbs set W3SVC/AppPools/Enable32BitAppOnWin64 true€? and our application worked fine.
This command caused the IIS to use the .NET 2.0 32 bit version so that our DLLs could be correctly invoked.
But now Reporting Services doesn€™t work because it needs the 64 bit version of the .Net framework. When I try to connhecto to localhost/reports, I get the error "%1 is not a valid Win32 application".
Is there any workaround to this problem so that i can deploy the application and the database in the same machine?
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Nov 14, 2004
Hi,
I'm trying to insert data into locally stored database (SQL Server).
The data I want inserted, is presented in a Treeview control and the data is fetched from a Webservice. The data is returned in form of a dataset.
The treeview contains checkboxes allowing a user to select what to install in the locally stored database.
To sum up:
1. Get data from a webservice' not my problem
2. Present data in a Treview control' not my problem
3. Allow to user to select which data to install' not my problem
4. Insert data that the user has selected into my db' MY PROBLEM!!!!
The Treeview looks like this.
- Group1
| | ---- Rule1.1
| | ---- Rule1.2
|
- Group2
| | ---- Rule2.1
| | ---- Rule2.2
| | ---- Rule2.3
.....
The Treeview is generated with DataRelations between Group and Rule.
My locally stored database is designed by a third party provider and therefore the database must not be altered.
The table I want to store data in is called "Groups" and it looks like this:
GroupID uniqueidentifier ' (newid())
GroupName nvarchar(50)
ParentGroupID uniqueidentifier' if grouptype = 0 then ParentGroupID must have a value.
GroupType tinyint ' 0 = subgroup, 1 = "top"group
Data in the table "Groups" would look like this:
GroupID GroupNameParentGroupIDGroupType
---------------------------------------------------------
{000001...}Group1<NULL>1
{000011...}Rule1.1{000001...}0
{000012...}Rule1.2{000001...}0
{000002...}Group2<NULL>1
{000021...}Rule2.1{000002...}0
{000022...}Rule2.2{000002...}0
{000023...}Rule2.3{000002...}0
The third party also created a stored procedure called pr_AddGroup taking the following parameters:
@GroupName ' can be both the RuleName and the GroupName
@GroupType ' can be 0 for subgroup or 1 for "top"group
@ParentGroup ' GUID
The problem with this stored procedure is that it does not have return value, which is here my problem actually lies.
If it returned @@IDENTITY I could use this as the parameter for @ParentGroup.
Instead I figure I must create two sqlCommand's (one calling pr_AddGroup and another calling SELECT @@IDENTITY to get the newly created record).
My SQL Commands look like this
Dim cmd As SqlCommand
Dim Conn As SqlConnection = New SqlConnection
Conn.ConnectionString = "Data Source=myServer;Initial Catalog=myTable;Integrated Security=SSPI"
cmd = New SqlCommand
cmd.CommandType = CommandType.StoredProcedure
cmd.Connection = Conn
cmd.CommandText = "pr_AddGroup"
cmd.Parameters.Add(New SqlParameter("@GroupName", SqlDbType.NVarChar, 50, ParameterDirection.Input))
cmd.Parameters.Add(New SqlParameter("@GroupType", SqlDbType.TinyInt, ParameterDirection.Input))
cmd.Parameters.Add(New SqlParameter("@ParentGroup", SqlDbType.UniqueIdentifier, ParameterDirection.Input))
dim cmd2 as SqlCommand
cmd2 = new SqlCommand
cmd2.commandtype = commandtype.Text
cmd2.commandtext = "SELECT @@IDENTITY as ID FROM Groups"
cmd2.connection = Conn
dim ParentGroupGUID as system.guid
To get the data inserted in the Groups table I would something like the following, but the code is very ugly
(and it doesn't work either);
For Each Group In TreeView1.Nodes ' Loop through Groups
If Group.Checked Then
cmd.Parameters("@GroupName").Value = Group.Text.ToString
cmd.Parameters("@GroupType").Value = 1
cmd.ExecuteNonQuery()
ParentGroupGUID = cmd2.executescalar()
End If
For Each Rule In Group.Nodes ' Loop through Rules.
If Rule.Checked Then
cmd.Parameters("@GroupName").Value = Group.Text.ToString
cmd.Parameters("@GroupType").Value = 1
cmd.Parameters("@ParentGroup").value = ParentGroupGUID
cmd.ExecuteNonquery()
End If
Next
Next
I've spent the last 5 hours figuring out this problem, so ANY help is appreciated :-)
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Aug 20, 2004
I have a perl program that is looping through a hash of a hash. I need to Update any existing records but also insert any new records in the table using collected data in the hash.
Life would be very simple if it was possible to use a Where Clause in an Insert statement but not does not work.
Here is some example code from my program:
sub Test{
foreach my $table(keys %$HoH){
foreach my $field(keys %{$HoH->{$table}}){
if($table eq "CPU"){
my $CPUstatement = "INSERT INTO CPU(CPUNumber, Name, MaxClockSpeed, SystemNetName)
Values ('$field',
'$HoH->{CPU}{$field}{Name}',
'$HoH->{CPU}{$field}{MaxClockSpeed}' ,
'$HoH->{Host}{SystemNetName}')";
print "$CPUstatement";
if ($db->Sql($CPUstatement))
{
print "Error on SQL Statement";
Win32::ODBC::DumpError();
}
else
{
print "successful";
}
}
}
}
}
Thanks,
Laura
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Jul 20, 2005
I had a problem today where I could not see column names and alltables had a _1 after them when viewing a Sql Server view inEnterprise Managere.g.TableName Company when added to the view would be named Company_1 andthe only columns available were 1 which was *(All Columns)After looking through the news groups I saw several occurrences ofthis problem but no answers that gave a fixAfter some investigation I found that it is caused when the databasename in SqlServer has a . in it!Test1 >> Fine the view designer works fineTest1.6 >> Problems as listed aboveI don't see why Enterprise Manager allows database names with .'s ifit is going to create such problems.
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Jul 20, 2005
There is something very strange going on here. Tested with ADO 2.7 andMSDE/2000. At first, things look quite sensible.You have a simple SQL query, let's sayselect * from mytab where col1 = 1234Now, let's write a simple VB program to do this query back to anMSDE/2000 database on our local machine. Effectively, we'llrs.open sSQLrs.closeand do that 1,000 times. We wont bother fetching the result set, itisn't important in this example.No problem. On my machine this takes around 1.6 seconds and modifyingthe code so that the column value in the where clause changes eachtime (i.e col1 = nnnn), doesn't make a substantial difference to thistime. Well, that all seems reasonable, so moving right along...Now we do it with a stored procedurecreate procedure proctest(@id int)asselect * from mytab where col1 = @idand we now find that executingproctest nnnn1,000 times takes around 1.6 seconds whether or not the argumentchanges. So far so good. No obvious saving, but then we wouldn'texpect any. The query is very simple, after all.Well, get to the point!Now create a table-returning UDFcreate function functest(@id int) returns table asreturn(select * from mytab where col1 = @id)try calling that 1,000 times asselect * from functest(nnnn)and we get around 5.5 seconds on my machine if the argument changes,otherwise 1.6 seconds if it remains the same for each call.Hmm, looks like the query plan is discarded if the argument changes.Well, that's fair enough I guess. UDFs might well be more expensive...gotta be careful about using them. It's odd that discarding the queryplan seems to be SO expensive, but hey, waddya expect?. (perhaps theUDF is completely rebuilt, who knows)last test, then. Create an SP that calls the UDFcreate procedure proctest1(@id int)asselect * from functest(@id)Ok, here's the $64,000 question. How long will this take if @idchanges each time. The raw UDF took 5.5 seconds, remember, so thisshould be slightly slower.But... IT IS NOT.. It takes 1.6 seconds whether or not @id changes.Somehow, the UDF becomes FOUR TIMES more efficient when wrapped in anSP.My theory, which I stress is not entirely scientific, goes somethinglike this:-I deduce that SQL Server decides to reuse the query plan in thiscircumstance but does NOT when the UDF is called directly. This iscounter-intuitive but it may be because SQL Server's query parser istuned for conventional SQL i.e it can saywell, I've gotselect * from mytab WHERE [something or other]and now I've gotselect * from mytab WHERE [something else]so I can probably re-use the query plan from last time. (I don't knowif it is this clever, but it does seem to know when twotextually-different queries have some degree of commonality)Whereas withselect * from UDF(arg1)andselect * from UDF(arg2)it goes... hmm, mebbe not.... I better not risk it.But withsp_something arg1andsp_something arg2it goes... yup, i'll just go call it... and because the SP was alreadycompiled, the internal call to the UDF already has a query plan.Anyway, that's the theory. For more complex UDFs, by the way, theperformance increase can be a lot more substantial. On a big complexUDF with a bunch of joins, I measured a tenfold increase inperformance just by wrapping it in an SP, as above.Obviously, wrapping a UDF in an SP isn't generally a good thing; theidea of UDFs is to allow the column list and where clause to filterthe rowset of the UDF, but if you are repeatedly calling the UDF withthe same where clause and column list, this will make it a *lot*faster.
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Mar 24, 2006
SQL Server 2005 is installed on a brand new 64-bit server (Windows 2003 x64 std. Edition, 2.4 Ghz AMD opteron- 2cpu, 8.8 Gb of RAM). There is barely few hundred rows of data scattered among few tables in one database.
SQL server and SSIS performace grossly degrades overnight and in the morning everything is slow including the clicking of tool bar selection.It takes 3 seconds to execute a simple select statement against an empty table.
It takes15-20 seconds to execute a SSIS package that normally would take 2-3 seconds.
But once SQL Server is restarted, everything returns to normal and the performance is good all day and then the next day everything is slow again.
Thank you for your help.
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Jan 6, 2006
Hello,
I feel like ssis encryption model has a serious flaw. Especially when linked to SQL Agent jobs.
I have posted and others have posted messages about this. Something is plain wrong with ssis encryption keys and password protection. Also, you do not have the choice not to protect the packages. In my case, protecting packages is completely useless.
Here is the story.
After this post
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=131340&SiteID=1&mode=1
I created config files for al my packages connections passswords.
Now, by our IT Policy, I had to change again my password and of course, all packages now return multiple errors when I open them.
Hopefully, the config file did its job and the packages are ran anyways by SQL Agent, however, having to manually retype and resave all packages not to have the errors is just a plain hassle. Not to speak about people not using the config files and the correct "Run As" sql agent account.
I stress the fact that in a real world production environment all packages are driven by SQL Agent jobs and MUST run automatically.
Here is the error I get after opening a package after changing my password:
Error 1 Error loading Constants05.dtsx: Failed to decrypt protected XML node "DTS:Password" with error 0x8009000B "Key not valid for use in specified state.". You may not be authorized to access this information. This error occurs when there is a cryptographic error. Verify that the correct key is available. c:projectsssis packagesssis constantsConstants05.dtsx 1 1
So Why is'nt this key automatically adjusted after Windows NT Domain password Change?
How can I refresh the key, not to have to reype all the packages connections passwords and rebuilding, Checkin-in again all the stuff?
I do not think the solution is "Use an application account which password never changes when you create your ssis packages" however at this time, this is the only solution I can think of.
How do you guys deal with this problem?
I still do not understand the ssis security model I feel it is diconnected from the reality and unpracticable in a production environment like mine.
Thanks
Philippe
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Apr 26, 2006
I'm importing a csv-file delimited with semicolons. Firstly I LTRIM the columns "in place" and the data imports fine. All the numbers in right columns in the target table. Then I add another Derived Colum Transformation to replace decimal character comma (,) to a dot (.) in order to convert the string/varchar value to numeric. But here I run into trouble. Running the task ends in success but the result in the target table (same as above) is not. All the commas are now dots as expected but what is worse is that SSIS have added values in cells that should not be there. I get values in cells that shoud be empty!
Shortly: Only LTRIM([Column1]) as expression and "Derived Column" as Replace 'Column1' works OK.
But adding REPLACE-expression (i.e REPLACE(LTRIM([Column1]) , "," , ".") to this breaks things up
I'm aware that I could do this with SQL but this is not the point...
Any ideas?
BR Jompe
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Feb 25, 2008
Hi,
I have Sql server 2005 Standard edition on my system and was wondering whats the difference between Standard edition and developer edition which one is better..most of the things that i do on sql server is
write sprocs, create table etc...
any ideas will be appreciated..
regards
Karen
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Aug 7, 2007
Hi all,
I have created a report in SSRS 2005 which is being viewed by users from different Time Zones.
I have a dataset which has a field of type datetime (UTC). Now I would like to display this Date according to the User Time Zone.
For example if the date is August 07, 2007 10:00 AM UTC,
then I would like to display it as August 07, 2007 03:30 PM IST if the user Time Zone is IST.
Similarly for other Time Zones it should display the time accordingly.
Is this possible in SSRS 2005?
Any pointers will be usefull...
Thanks in advance
sudheer racha.
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Sep 26, 2006
We are experiencing a major issue since upgrading from SQL2000 to SQL2005 over the weekend. Starting today, it appears that the performance of SQLServer reaches a limit every 15 minutes.
Our configuration is as follows:
Window Server 2K3 x64 Enterprise
SQLServer 2005 x64 Enterprise
HP DL585 with 4 dual core Opterons
32 GB of RAM
2 TB EMC SAN
At first, I thought there was a memory pressure problem, since I had the default max memory set. After changing the max memory to only 25 GB (out of 32 available), the issue went away temporarily. However, after 15-20 minutes, the number of batches/sec dropped in half, and remained after half until I changed the max memory setting again. Over the course of the day, I was able to fix the issue each time by just changing the max memory by 1MB. (From 30,000 to 29,999 and back from 29,999 to 30,000). Each time, the batches/sec counter immediately doubles and remains there for about 15-20 minutes. None of the SQL statements have changed since upgrading.
I have found this post, which talks about a similar issue at the end of the thread:
http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=746299&SiteID=1
Any ideas?...this is frustrating to no end.
Thanks!
Ryan
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Apr 25, 2014
Sample Table
USE [Testing]
GO
/****** Object: Table [dbo].[Testing] Script Date: 4/25/2014 11:08:18 AM ******/
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
[Code] ....
It seems to work fine with one million records.
Each primary key is unique, but the begindate is non-unique, and i guess even if i use datetime2 and add nanoseconds, from what i have read, there is a chance that i could have a duplicate datetime since the date is imported via XML from multiple sources.
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Jun 11, 2015
Is there a way to keep track in real time on how long a stored procedure is running for? So what I want to do is fire off a trace in a stored procedure if that stored procedure is running for over like 5 minutes.
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Oct 22, 2015
I am trying to load previous days data at 3 am via a SSIS job.
The Date variable is initiated as DATEADD("dd",-1, GETDATE()) in the for loop.
Now, as this job runs at 3 am, and I set the variable as GETDATE() - 1, it excluded the data from 12 am to 3 am in the resultset as Date is set as YYYY-MM-DD 03:00:00:000 I need this to be set as YYYY-MM-DD 00:00:00:000
How can i do this?Â
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Oct 3, 2015
I hope to update a DateTime column value with a Time input parameter.  Poor attempt below but it looks like the @ApptTime param is coming in as 10:45:00.0000000 and I might have an existing @SendOnDate as: 2015-10-05 07:00:00.000...I hope to end up with 2015-10-05 10:45:00.000
ALTER PROCEDURE [dbo].[SendEditUPDATE]
@QuePoolID int=null
,@ApptTime time(7)
,@SendOnDate datetime
[code]...
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Dec 15, 2006
I am using VS2005 (VB) to develop a PPC WM5.0 Program. And I am using SQLCE 3.0. My PPC Hardware is in 400MHz.
The question is when the program try to insert the first record into sdf database after each time the program started. It takes a long time. Does anyone know why and how can I fix it?
I will load the whole database into a dataset when the program start and do all the "Insert", "Update", "Delete" in this dataset and fill it into database after each action.
cn.Open()
sda = New SqlCeDataAdapter(SQL, cn) 'SQL = Select * From Table
scb = New SqlCeCommandBuilder(sda)
sda.Update(dataset)
cn.Close()
I check the sda.update(), it takes about 0.08s for filling one record into database normally. But:
1. Start the PPC Program
2. Load DB into dataset
3. Create a ONE new record in dataset
4. Fill back to DB
When I take this four steps everytime, the filling time is almost 1s or even more!
Actually, 0.08s is just a normal case. Sometimes, it still takes over 1s to filling back a dataset which only inserted one record when the program is running. (Even all inserted records are exactly the same in data jsut different in the integer key)
However, when I give up the dataset and using the following code:
cn.Open()
Dim cmd As New SqlCeCommand(SQL, cn) ' I have build the insert SQL before (Insert Into Table values(XXXXXXXXXXXXXXX All field)
cmd.CommandType = CommandType.Text
cmd.ExecuteNonQuery()
cn.Close()
StartTime = Environment.TickCount
I found that it is still the same that the first inserted record takes more time, but just about 0.2s. And the normal insert time is around 0.02s. It is 4 times faster!!!
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Apr 21, 2015
SELECTÂ
  CONVERT(VARCHAR(10),attnc_chkin_dt,101) as INDATE,
  CONVERT(VARCHAR(10),attnc_chkin_dt,108) as TimePart
FROM pmt_attendance
o/p
indate   04/18/2015
time part :17:45:00
I need to convert this 17:45:00 to 12 hours date format...
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Nov 12, 2007
Hi,
We need to select rows from the database that have been recently inserted/updated. We have a main primary table (COMMIT_TEST) and a second update table (COMMIT_TEST_UPDATE). The update table contains the primary key and a LAST_UPDATE field which is a datetime (to tell us when an update occurred). Triggers on the primary table are used to populate the update table.
If we insert or update the primary table in a transaction, we would expect that the datetime of the insert/update would be at the commit, however it seems that the insert/update statement is cached and getdate() is executed at the time of the cache instead of the commit. This causes problems as we select rows based on LAST_UPDATE and a commit may occur later but the earlier insert timestamp is saved to the database and we miss that update.
We would like to know if there is anyway to tell the SQL Server to not execute the function getdate() until the commit, or any other way to get the commit to create the correct timestamp.
We are using default isolation level. We have tried using getdate(), current_timestamp and even {fn Now()} with the same results. SQL Queries that reproduce the problem are provided below:
/* Different functions to get current timestamp €“ all have been tested to produce the same results */
/*
SELECT GETDATE()
GO
SELECT CURRENT_TIMESTAMP
GO
SELECT {fn Now()}
GO
*/
/* Use these statements to delete the tables to allow recreate of the tables */
/*
DROP TABLE COMMIT_TEST
DROP TABLE COMMIT_TEST_UPDATE
*/
/* Create a primary table and an UPDATE table to store the date/time when the primary table is modified */
CREATE TABLE dbo.COMMIT_TEST (PKEY int PRIMARY KEY, timestamp) /* ROW_VERSION rowversion */
GO
CREATE TABLE dbo.COMMIT_TEST_UPDATE (PKEY int PRIMARY KEY, LAST_UPDATE datetime, timestamp ) /* ROW_VERSION rowversion */
GO
/* Use these statements to delete the triggers to allow reinsert */
/*
drop trigger LOG_COMMIT_TEST_INSERT
drop trigger LOG_COMMIT_TEST_UPDATE
drop trigger LOG_COMMIT_TEST_DELETE
*/
/* Create insert, update and delete triggers */
create trigger LOG_COMMIT_TEST_INSERT on COMMIT_TEST for INSERT as
begin
declare @time datetime
select @time = getdate()
insert into COMMIT_TEST_UPDATE (PKEY,LAST_UPDATE)
select PKEY, getdate()
from inserted
end
GO
create trigger LOG_COMMIT_TEST_UPDATE on COMMIT_TEST for UPDATE as
begin
declare @time datetime
select @time = getdate()
update COMMIT_TEST_UPDATE
set LAST_UPDATE = getdate()
from COMMIT_TEST_UPDATE, deleted, inserted
where COMMIT_TEST_UPDATE.PKEY = deleted.PKEY
end
GO
/* In our application deletes should never occur so we don€™t log when they get modified we just delete them from the UPDATE table */
create trigger LOG_COMMIT_TEST_DELETE on COMMIT_TEST for DELETE as
begin
if ( select count(*) from deleted ) > 0
begin
delete COMMIT_TEST_UPDATE
from COMMIT_TEST_UPDATE, deleted
where COMMIT_TEST_UPDATE.PKEY = deleted.PKEY
end
end
GO
/* Delete any previous inserted record to avoid errors when inserting */
DELETE COMMIT_TEST WHERE PKEY = 1
GO
/* What is the current date/time */
SELECT GETDATE()
GO
BEGIN TRANSACTION
GO
/* Insert a record into the primary table */
INSERT COMMIT_TEST (PKEY) VALUES (1)
GO
/* Simulate additional processing within this transaction */
WAITFOR DELAY '00:00:10'
GO
/* We expect at this point that the date is written to the database (or at least we need some way for this to happen) */
COMMIT TRANSACTION
GO
/* get the current date to show us what date/time should have been committed to the database */
SELECT GETDATE()
GO
/* Select results from the table €“ we see that the timestamp is 10 seconds older than the commit, in other words it was evaluated at */
/* the insert statement, even though the row could not be read with a SELECT as it was uncommitted */
SELECT * FROM COMMIT_TEST
GO
SELECT * FROM COMMIT_TEST_UPDATE
Any help would be appreciated, we understand we could make changes to the application/database to approximate what we need, but all the solutions have identified suffer from possible performance issues, or could still lead to missing deals (assuming the commit time is larger than some artifical time window).
Regards,
Mark
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I need to do a time test for restoring an Azure SQL database from a point in time. Can I automate this through PowerShell.
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how this can be done while my temp table is in session?
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I have a table called employee_punch_record that we use to store employee time clock punches.
The columns are:
employeeid,
punch_timestamp,
punch_type (In / Out),
closed (bit used as status for open or closed pay periods),
ident
Here are some examples of a record:
bkingery62015-10-06 16:59:04.000In0
bkingery72015-10-06 16:59:09.000Out0
bkingery82015-10-06 16:59:13.000In0
bkingery92015-10-06 18:22:44.000Out0
bkingery102015-10-06 18:22:46.000In0
bkingery112015-10-06 18:22:48.000Out0
bkingery122015-10-06 18:22:51.000In0
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We are using SQL Server 2008 as our database and use Access as a GUI. I am looking to create a form in Access where employees can access their time card and request changes from management. I want to use the format from the attached screen shot for the form. I pretty much know how to do it all, the only point of complication is trying to figure out the easiest way to get the transaction punch record data on employee_punch_record into a format where I can easily populate the form in the horizontal format you see in the screen shot.
I am not super strong in SQL, but figure I can do it using a formatting table of some sort. quick and easy way to move transaction records into a more horizontally oriented record?
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Feb 19, 2008
Hi all,
I have a very simple time series model which processing works fine without any problem. However when I run the following query
SELECT
[TimeSeries].[PriceChange],
[TimeSeries].[Symbol],
PredictTimeSeries(PriceChange, -3, 2)
From
[TimeSeries]
WHERE
[TimeSeries].[Symbol] = 'x'
I get the following error:
TITLE: Microsoft SQL Server 2005 Analysis Services
------------------------------
Error (Data mining): A time series prediction was requested with a start time further in the past than the internal models of the mining model, TimeSeries, specified in the HISTORIC_MODEL_GAP and HISTORIC_MODEL_COUNT parameters can process.
The following is the excerpt of the minding model script related to the two parameters:
<AlgorithmParameters>
<AlgorithmParameter>
<Name>MISSING_VALUE_SUBSTITUTION</Name>
<Value xsi:type="xsdtring">Previous</Value>
</AlgorithmParameter>
<AlgorithmParameter>
<Name>HISTORIC_MODEL_GAP</Name>
<Value xsi:type="xsd:int">1</Value>
</AlgorithmParameter>
<AlgorithmParameter>
<Name>HISTORIC_MODEL_COUNT</Name>
<Value xsi:type="xsd:int">10</Value>
</AlgorithmParameter>
</AlgorithmParameters>
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