Database Setup/ Number Of Connections
Jul 15, 1999
I am new to SQL Server 7 and am not sure how to handle setting up/importing FoxPro databases. The consultants that setup the database before me have combined all of the FoxPro databases into one big database in SQL server. The reasoning was that for user applications to have access to different databases in SQL they would need a connection for each database they are using, so if all the data is put into one database then the user would only have one database connection instead of 6 or 7.
Does this make sense to anyone? Someone else thought that this might have been true is SQL Server 6.5 but not in SQL Server 7.0.
Any help will be appreciated.
Mike
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Jan 5, 2004
Is there any way to know the number of current connections to an SQL Server Database? Also how can one change the max pool size (for the number of connections allowed to the database)?
Thanks.
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Jun 26, 2015
How does one enable sql connections limits for user connections per new and existing databases? how to do it on whole server per database but not set a limit per user.Looks like this must be run on each databases but what if you have 100s of databases:
USE AdventureWorks2012 ;
GO
EXEC sp_configure 'show advanced options', 1;
GO
RECONFIGURE ;
GO
EXEC sp_configure 'user connections', 325 ;
GO
RECONFIGURE;
GO
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Aug 29, 2006
Is there a way to automatically setup SQL Server Express to allow remote connections during the installation process?
We are deploying SQL Server Express with our application and I really can't ask SMB customers to go through a series of rather complicated steps after our "turn key" setup installs everything in order for any of the other computers in their office to connect.
What's the reasoning behind that, anyway? Why create a database server setup which by default doesn't allow anyone except the server to access it? I guess that makes sense for ASP.NET but the web fad isn't the only platform developers use these days.
Any assistance would be greatly appreciated.
Cheers,
Evan
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Apr 26, 2015
For some reason i am not able to make remote connections from VS 2013 to my current installation of SQL server 2008 so i thought to uninstall it and install another edition i got from MSDN but i the uninstall process keeps failing saying theres a known compatibility issues with 2008 and 2008 R2. it also gave me the option to seek solution online but when i click on it it is unable to get a solution online and i am never able to uninstall it. i need to get SQL server up and running.
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Jun 7, 2006
Hi All,
where can I find the information about number of connections to the particular database?
thanks
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Apr 19, 2000
I would like to know does it exist a relation between number of licenses (per server) entered when installing SQL Server and the maximum of connections obtained by @@MAX_CONNECTIONS ? how can i get the information about the number of licenses after the installation ? Thanks.
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Jul 6, 2001
I am building a package that involves copying 36 tables from an Access database into like tables in SQL 2000. Many of these tables require transformations and some require lookups. The number of records per table ranges from 4 to 4000. My question is, is it better to have a set of connections(one to Access and one to SQL for each table or one connection for all or some other approach.
Thanks for your input.
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Jul 19, 2004
hi,
Does large number of connections to a sql server result in slogging queries??
by large number of connections I mean in the range of 2000 to 2500 connections to various databases on the same server.
This happens on the production database, if I download the copy of the database and run the specific queries on the local box it hardly takes 1 second to execute, whereas on the production box it takes about 45 to 60 secs, i m working on the indexes part... was not sure whether number of connections to a server affect the performance of the queries or it is just that the indexes need defragmentation...
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Sep 20, 2005
Hi.
I have to buy a license for MS SQL Server 2000 and I need to know how many active connections I will need.
I could try by running the application with multiple users and see how many connections there are.
The questions is: How can I know the number of active connections to the Server?
Thanks!
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Jun 26, 2007
How do you find out the current number of connections to a SQL Server 2005 instance in SQL Server Managment Studio? I need to see if my number of connections is exceeding my Maximum Worker Threads.
Thanks,
Joe
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Apr 7, 2006
Hi,
Could somebody tell what is the maximum number of concurrent connections that are supported in sql server 2005 developer edition?
thanks
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Mar 15, 2006
Hi all,
When I detach a SQL Server database, I see the following information:
Connections using this database: 5
Where are the connections from ? How can I check ?
Please help me !
Thanks
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Aug 9, 2000
I am using SQL 6.5 and I would like to know (using Isql/w)
the number of users connected to my server at any given time.
Thanks for your help in advance.
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Oct 22, 1999
Does anyone know how to change the number of conccurent connections on SQL Server 7. We have purchased 10 additional licenses and I need to change the concurrent users from 10 to 20. Any help would be appreciated. Thanks
Phil
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Jun 24, 2008
What is the maximum number of connections for sql server developer edition?
The "compare editions" on the microsoft site doesn't say.
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Oct 1, 2007
Hi,
Please, I like to know how can I check what is the number of connections already opened for an specific Database on SQL Server 2005, programmatically.
Thanks in advance.
Ivan
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Feb 15, 2008
Does sql server limit max number of connections, or max connections open from a given source, or over a given time period?
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May 5, 2006
Using System.Data.SqlClient is there a limit to the number of connections an application can have to a SQLMobile dB?
If
you have a look at the url below, it says "A device can only have a
small number of connections to an instance of SQL Server at any time"
Does this mean 2, or 8 or what?
Should a app try to use only 1 connection throughout, or can we get away with 2-3?
Is this the same on WM5.0/PPP2003?
Any advice in this area much appreciated!
http://msdn.microsoft.com/library/default.asp?url=/library/en-us/sqlce/htm/_lce_sqlclient_705.asp
p.s. I'm not interested in connection pooling!
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Oct 5, 2006
Is there a limit to the number of connections that can be made to the SQLCLR? If so, what is that limit and is it adjustable?
Thanks!
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Jan 23, 2002
Hi All
How to check number of active connections ?
I know two ways of doing it ..
1. run sp_who2
2. in Current Activity in Enterprise Manager ..
If what ever number I am seeing is the Active Number of Connections ..then
I am facing a problem here ..
In My serevr I have 75 Users licenses are configured for Per server option ..
Through a Java aplication when Developer tried to capture any SQL server Connection it says following error ..
Details :
[MERANT][SQLServer JDBC Driver][SQLServer]Login failed. The maximum simultaneous user count of 75 licenses for this 'Standard Edition' server has been exceeded. Additional licenses should be obtained and installed or you should upgrade to a full version.
If I see from Sp_who2 and Current Activity , I can see only 37 Connections ...?
Why is so .. If I am having 75 configured and 37 live in sp_who2 ..why I am getting that error message ?
Is there other way to see Actual Number of Connections made to server ?
Sujit Kandi
1 860 520 7454
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Mar 30, 2001
Hi,
could somebody please let me know what is the maximum number of simultaneous users/connection per single SQL Server 7.0 box? Licenses are not the issue here, rather the number of physical connections supported before another server needs to be purchased.
Another variation of this question would be what's the highest number of databases that 7can be created on SQL 7.0 server and what is the highest number of physical connections supported per database? Again, licenses are not the issue. Thanks a lot in advance.
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Jul 27, 2001
Hi,
Environment:
I have a Sqlserver 6.5 production server used for web based applications
Compaq 5500 4 GIG RAM, 4 processor
Sql Memory config on that server is 1048576 (which is 2048 MB)
and the run value is 640000 (which is 1250 MB).
runvalue for user connections was 500
We have only 90 user connections may increase upto 100 depends on the connections. We don't have any overload on that server.
Error: I was seeing
"unable to connect maximum no. of 500 configured user connections are already connected" in the error log.
Action Taken:
I increased the user connections to 600
and rebooted the server. Immediately the same error I can see in the error log. But we have only 20 user connections at that time. I can able to connect.
Please advise me to get rid of this error.
Thanks,
Anu.
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Aug 31, 2006
number of connectios tcp/ip..........I have a 3 person but the 4 does not connect????
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Jul 30, 1998
Hi everyone!
Is it possible to control the number of simultaneous connections one login id can have?
I`d like to avoid my users to share their login ids and passwords to help them enter data into the system.
Thanks,
Mauricio
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Apr 25, 2006
I can't find the answer...it just talk about the CPU / ram /database limit. thanks for you help!
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Aug 24, 2015
My server has two 8 core processor. Should I use 8 or 16 data files for Tempdb?
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Oct 27, 2015
I have a 2 node cluster having 4 cores each wherein having 3 instances of SQL 2008 R2 enterprise comprising of 60 databases, 20 on each instance. I need to setup mirroring for each of the databases to a secondary server having 4 cores and 3 instances.
What i understand is that in this case the mirror server will be providing max of 512 worker threads and the 60 mirror databases would consume 240 threads.
What all needs to be checked for looking into the feasibility of going ahead with a async mirror setup as mentioned above.
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Feb 19, 2015
We have a database. It is enabled for mirroring. We need to delete the old records. That is around 500k records from a table. But it has foreign key relation. How to do in Production servers these kind of deletes?
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Sep 10, 2012
We have a SQL database that uses Active Directory with Windows Authentication. Can users that are members of the Active Directory group that has read/write access to the SQL database create ODBC connections to access the database directly and update the data? They dont have individual logins on the server. They are only members of the Active Directory group that has a login?
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May 25, 2006
Hi all,
I am fairly new to mobile development and im trying to write a simple application that can read, write from a SQL Server Mobile Database and load data into a list view. The problem im having is trying to find examples on how to do this and i cant seem to get many of the ones i find to work properly. Im still use to recordsets and adodb and if anyone has any examples on how to do this that would be great.
Also, would it possible if someone could explain this code to me as well
Dim conn As SqlCeConnection = Nothing
Dim cmd As SqlCeCommand = Nothing
Dim rdr As SqlCeDataReader = Nothing
Try
' Open the connection and create a SQL command
'
conn = New SqlCeConnection("Data Source = AdventureWorks.sdf")
conn.Open()
cmd = New SqlCeCommand("SELECT * FROM DimEmployee", conn)
rdr = cmd.ExecuteReader()
' Iterate through the results
'
While rdr.Read()
Dim employeeID As Integer = rdr.GetInt32(0) ' or: rdr["EmployeeKey"];
Dim lastName As String = rdr.GetString(5) ' or: rdr["FirstName"];
End While
' Always dispose data readers and commands as soon as practicable
'
rdr.Close()
cmd.Dispose()
Finally
' Close the connection when no longer needed
'
conn.Close()
End Try
Thanks
byeadon
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May 19, 2007
Hi to all,
I was visting one hosting company website and was reading there hosting plans. One line I got there (Maximum number of 50 simultaneous connections are allowed per user/DataBase.). What is the meaning of this line?
Big Thanks!
Harsh
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Feb 20, 2008
I'm trying to work out how facebook displays so much information easily. Each time you visit your profile a load of new info is shown. Is each piece of info, which is stored in different table, gathered right there and then? If so, isn't that a helluva lot of connections? I'm trying to implement something into my website where it records history, a it like on facebook when it says "Steve has written on Paul's wall" the names are clickable. Has the information been stored like:
Name1ID ActionID Name2ID23432 56 32432
If so, wouldn't 3 connections be needed? 2 to retrieve the names and 1 for the action? It would be easier to store the info as "Steve has written on Paul's Wall" in 1 field, but it wouldn't be dynamic. And if the page shows a lot of information like that, it's hundreds of conections on just 1 viewing. I'm still learning and am also wondering how many connections per page would take up a lot of resources?
Thanks
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