Homogenous VS Heterogenous Enterprise Environments
Feb 21, 2008
Another DBA on my team is trying to tell me that it is a widely accepted best practice to only have a single version of SQL server in the enterprise environment. This seems counter intuitive to me and I cannot find a confirming source for this assertion.
I would think that it largely depends on your environment but that once a new version of SQL server has been decided on for a given application, for whatever reasons, that new version should be used moving forward on all new development.
It also seems like that as other databases grow and hardware comes to its end of life that older databases be either migrated or ported to the new version as seems appropriate.
Is there any reason an enterprise should always be on X version and only X version?
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Oct 6, 2005
We are upgrading a production database server to new hardware. The server is currently running SQL Server 2000 Standard Edition. We are thinking about installing SQL Server 2000 Enterprise Edition, however that would mean the test server (2000 Standard) and production server (2000 Enterprise) have different edtions of SQL Server. How much of a risk does this present? Later in the year we would upgrade test to SQL Server 2000 EE, but for a couple of months the environments would be different.
Thanks, Dave
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Nov 30, 2006
Hi All,
As mentione I am trying to replicate(transactional) a table from MSSQL 2000 Enterprise Evaluation to Sybase 15 Developer Edition. I downloaded an ODBC Data (a third party -OpenLink Lite )
The connectivity to heterogenous subscriber is successfully established. Linked Server too is established.
However the distributor agent fails on setting up the replication with the following error:
<< The column descr in table MSrepl7 does not allow null values.(233) >>
The target Sybase table has all the nullable coulmns ie I can insert a complete NULL record.
Any help in this regrd would be appreicated.
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Sep 15, 1999
Hi,
Right now, we have the production and development databases and ASP pages on one server. This is causing a strain on the performance,
of course.
Well, the finally, the customer agreed to get 2 less powerful servers. This is what we are planning to do with the 2 extra servers.
Server 1 : Original Server (fast)
We will only have the Production Database (NO IIS)
Server 2: New Machine23 (faster box than Server 2)
Offload IIS away from the production Database so we can allow more memory for Database processing.
Server 3: New Machine 3 (slower box we just got)
Move the entire development environment to one server (SQL Server Database + IIS with all the ASP pages)
Does this sound OK?
or should we have IIS sitting on one box (holding pages for Development and production) and the other machine just holds the
Development database.
I would like to hear other opinions/stories on different IIS & SQL Server configurations to maximize performance.
Thanx!
Angel
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Aug 27, 2013
How can i compare 2 database environments (Dev vs Prod) without using third party software (IF IT IS POSSIBLE).
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May 22, 2007
This has probably been covered in other posts. I have been working with SSIS for the past month and I am trying to follow best practices on various items. Having worked with a different ETL tool prior to this, I am wondering what is the best approach to use for Connections and File Paths.
What I would normally do with DataStage for this would be to assign a Job Variable (and eventually Sequence Variable) of the type: Path. So, if I was developing a job I would create SourceFilePath, ErrorFilePath, etc. I would use these variables in a FlatFile or Dataset Stage. For instance I would assign a filename for a source as: #SourceFilePath#SourceFile1.txt. During execution the job would load the variable and then the filename would be: C:MyDocumentsDatafilesSourceFile1.txt.
When its time to move to another environment, I don't have to worry about changing values for file connections because it is managed dynamically by a config file or whatever method.
What is the best practice that emulates this behaviour for SSIS? I've been thick and can't get my head around this. Any direction to blogs or user sites would be great. Examples, even better!
Thanks in advance.
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Jul 5, 2006
Hello,
I want to store each SQL Server's (prod, test, etc) connection string in XML to make deployment & configuration easy. However, the connection string must be encrypted. Does anyone have any ideas or suggestions on how to accomplish both. I know how to encrypt it but I dont think SSIS can work with it.
Any help would be appreciated.
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Nov 5, 2007
Hi,
I was wondering if anyone has a neat (preferably automated) method of creating small testing databases from large production instances.
My requirement would be to copy the schema and a subset of configuration data from a production database into a test database. The subset of data would be a full copy of a subset of tables, rather than a subset of data within one or more tables. There is a mixture of SQL2000 and SQL2005 servers involved in this requirement. I'm familar with the scripting mechanisms of Enterprise Manager and Management studio and DTS packages, sufficent to perform a process like this manually, but want to productionise and schedule this process to be performed automatically.
I'm sure this must be a commonly performed task, so I'm interested to know if anyone has a "best practice" for this requirement.
Thanks,
Bill
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Jul 23, 2005
Hi,It appears that binary_checksum can give the same checksum fordifferent strings, which is a bit worrying. (I guess the algorithm isthe problem in the context of a repeating pattern.)e.g.select binary_checksum('A'),binary_checksum('AAAAAAAAAAAAAAAAA'),binary_checksum('AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A'),binary_checksum('AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAA')My question...Is this approach to generating checksums adequate for managing theobject scripts in the SQL Server to ensure that they haven't changed. Iguess that the probability of somebody making a change to a script andending up with the same checksum is almost negligible. Has anybody usedthis approach in an FDA validated production environment, i.e. 'no ifs,no buts'? Would it stand up to scrutiny?Any experiences, thoughts?RegardsLiam
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Jul 23, 2005
We have multiple development environments on one machine for our VisualStudio .net projects.These are web applications so we have organized them by IP Address andHost Headers.When I installed Reporting Services, it installed into my default website (localhost) and that is fine.However, we want to be able to create our reports in our different .netprojects. The only projects that will allow me to create reports arethe projects using the default website.When I right click to create a new project, the Business Intelligenceprojects (reports) type is not there.Can I do this? If so, how do I configure it?
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May 1, 2007
If I have stored procedures that reference linked servers, is there any way to avoid changing the procedures when moving between environments (dev, qa, prod)?
Do i resort to dynamic sql? Use case statements to switch between environments?
Any experience or advice is appreciated.
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Apr 23, 2015
I modified an existing package created by someone (who left the organization). Its a ftp bulk insert from flat files to the tables. The need was to updates 2 tables out of 9 with additional columns. I made the changes to the package and it runs successfully on my laptop.
After that I build the package and tested it on the development server, although the package runs successfully but the data is written to my DB tables in my laptop instead of development server DB tables!.I see "." in the place of the connection manager server name. The DB name is the same in all the three environment (local, development & production). There is a configuration table used in the package.
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Sep 17, 2007
All,
Is there a way to simulate hosting three environments on one Report Server. Due to resource limitations, I would like to set up three environments DEV, TEST, STAGE on one report server such that the data source for each environment would be different. Can I use a different folder structure for each and then deploy the reports by providing server url accordingly?
e.g.
http://servername/DEV_Reports or should it be (http://servername/ReportServer/DEV_Reports)
http://servername/TEST_Reports
http://servername/STAGE_Reports
and then in each of the above define a datasource that has connections to appropriate database on db server. Can we do something like this?
Thanks.
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Oct 9, 2007
Hi,
SSIS is behaving differently in different environments but the code is same.
One thing is nor working correctly that is I am converting a string data type column to float data type in data conversion. In our local environments the package is working fine but in production environments it is not working correclty. It is unable to convert the data it is throwing an error.
"The data value cannot be converted for reasons other than sign mismatch or data overflow"
Can anybody help me please?
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Jun 21, 2015
Is it possible to config environments ( dev,tst,prd ) in VS Tabular solution , like it is done in SSIS ? i find Variable tab , but i dont find the way to set a connection (string) to be change dynamically between the environments.
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Sep 11, 2007
Hello. What I'm trying to do should be fairly simple, but after an hour of searching and trials, I can't seem to get it working.When I run my website on my test machine, I would like it to use a certain value for my connectionString. But when it's run on the live server, it should use a different connection string. This way, when it's on the test server it'll use the test database.In my Web.Config file, I have this:<connectionStrings> <add name="myConnectionString" connectionString="Data Source=TEST_DB;Initial Catalog=tester;Integrated Security=True" providerName="System.Data.SqlClient" /></connectionStrings>I would like to be able to change the connectionString in something like the Global.asax file, when the application is loaded. I'd check for a certain environment variable, or some other condition, and change the value of the connectionString.I tried this in my Global.asax, but it told me the value was read_only: ConfigurationManager.ConnectionStrings["myConnectionString"].ConnectionString = "Data Source=LIVE_DB;Initial Catalog=live;Integrated Security=True" Does anyone have a good way of doing this, so I don't need to juggle Web.Config files when I publish my site? Thanks.
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Jun 22, 2015
I have encountered a problem with a specific set of tables. The same select yields slightly differing execution plans in two different environments (instances). But the slight variation seems to contain a huge differences in stats. I don't know the significance of these stats. The two tables have the exact same indices.
This is the selcet statement:
SELECT 'xx' FROM DUKS.dbo.Profiler
WHERE DNA_Løbenummer IN
(SELECT DNA_Løbenummer FROM DUKS.dbo.Effektregister
WHERE Sagsnummer = '2015-00002')
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Aug 10, 2006
Suppose 2 environments on a single machine.
Each environment has different configuration settings....different
databases etc.
All the packages in the first environment have a hardcoded config files
referencing the local drive.
In order to create the second environment do I have to
go into each package and manually change the location of the
hardcoded config files. If I don't it will it not use the config files
from the first environment.
Thanks
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Aug 13, 2015
How to manage the progression of SSRS reports from DEV > TEST > USER > PROD...I can see that you COULD manage this all from within VS however then all the control is in the developers hands and even though you can control access with permissions and stuff, its not very user friendly to provide a tester or business area manager or project manager with VS just so they can publish reports as they are approved.Are their any such tools to manage migration between ssrs servers or something that you could have a user test a report and then do something like "approve/promote" it to the next environment, or is this something we would need to create ourselves?
I can see that there are a few things that allow PROJECTS to be migrated (powershell scripts and something about octopus deploy) but these all seem to be too "big" for our organisation - we generally develop reports as a "logical group" (project) but migrate them individually or in VERY small groups (5 is probably the maximum), however keeping tabs on what report is at what version in what environment is causing our DBA massive migranes...Maybe there is something we can do from TFS or perhaps we need to build a utility app?
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May 27, 2014
In SQL Server 2005, the SQL Server full text engine (i.e., Microsoft Full Text Filter Daemon Launcher windows service) was installed as a Generic Service cluster resource in a Windows clustered environment.
However, in SQL Server 2012, the full text engine is not appearing as a "resource" within "Failover Cluster Manager" after installation. Do we need to manually configure the full text engine as a Failover Cluster Manager "resource" for SQL 2012? Or is this not necessary? If it needs to be configured, how do you go about doing it (i.e., what resource dependencies would you setup, etc.)
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Jul 3, 2015
I have a stored proc that is executing in 2 sec on production and test database. It is taking more than a min on dev environment.
I have verified sqlserver version is same on both of the server.Prod is running on 2012Sp1 however dev don't have sp1. I am downloading it.
Both are 64bit, has same collation and compatibility level.I have confirmed that sp on both servers has same execution plan. I have reset and import stats from prod too.
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May 6, 2008
Hi,
I'm having a struggle with the printing of landscape reports in SSRS.
The reports appear fine when printed from the Visual Studio environment, but when I deploy to a web environment I get 1 or 2 blank pages before reporting continues (i'm using the SSRS printer icon, not the browser printer icon).
I've spent ages looking at margin and printer settings and can't find anything wrong - especially as it works under Visual Studio.
Has anyone experienced problems of this nature and how did you resolve them?
Cheers.
Elracorey
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Feb 4, 2008
We are setting up a new Reporting Services 2005 enterprise reporting tier that will support multiple developers, applications, and end users. We will have mirrored environments including development, test, and production each with their own database cluster, and reporting server.
We have multiple report developers who share a single Visual Studio solution which is saved in SourceSafe and is setup to have separate report projects for each business unit in the orgainzation. Each report project is mapped to a specific deployment folder matching the business unit. Using the Visual Studio Configuration Manager, we can simply flip to the envirnoment we want to deploy to and the reports are published to the correct environment and folder structure.
My problem lies with the common data sources. We are using a single master Common Data Sources folder to hold all of the data sources. The trick is that each and every reporting folder seems to have to have it's own copy of the data source in visual studio. There does not seem to be an easy way to change the data sources for the reports when you publish to various environment, i.e. development, test, production etc.
Ideally, we would have a single project for the common data sources that all reporting projects and associated folders would map to, and we would have a way to associate the appropriate data source for each environment when we deploy.
I'm looling for best practices on how to setup data sources for development and deployment in an enterprise environment that uses Visual Studio to develop and publish reports. We have 3 environments, and 6 data sources per environment and about 20 reporting folder / project in Visual Studio. That's 360 changes that have to be manged when deploying reports. Is there a best practices way to do this?
There has got to be a better way? Can anyone give me some insite into how to set this up?
Thanks!
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Jul 11, 2006
This may be a stupid question, but can someone from MS SQL Server Team kind enough to confirm it, please?
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May 8, 2007
I was a Oracle Developer / DBA on Unix Environments all along my career, Very recently iam starting to manage a SQL Server 2005/Windows 2003 Server setup.
Part of my new job is to automate to load Huge Data files/Flat Files (3/4 GB in size) into SQL Server 2005 DB.
Have these initial questions..
Since the files are too large to open at once... What sort of Command Line Interfaces people use on the Windows Boxes.. like doing a "wc" (Word Count) / GREP 'ng Files / Massaging Data Files one line at a time (Like using SED / AWK Commands).. Etc
Any Input / Direction is appreciated...
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Oct 12, 2015
We are setting up a test lab environment with 100 machines. We want one master testing db that gets replicated to each to run scripted application tests nightly.
My goal is to minimize the amount of work to move this thing to each of the 100 test machines. I am wondering if we need to even have the sql local and invest in a monster db server with 100 copies of the db we restore and each test machine point to their own db on that server, or if I should use db mirroring or something to get the master test db to each of those machines instead.
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Jun 25, 2015
I am looking for a SQL Backup/Restore tools which can restore multiple environments. Here is high level requirements.
1. We have 4 DBs, range from 1 TB - 1.5 TB Each Database. When we restore to QA, DEV, or Staging, we usually restore 4 of them.
2. I am looking for the speed to complete restoring between 1 - 2 hours for 4 DBs.
I am evaluating the Dephix Software but the setup is very complex and its given us a lot of issues with Windows Authentions, and failure in the middle of the backup. I used Guess Software many years ago but can't find it on the web site any more. Speed is very important for us mean complete restoring as fast as possible. We are on SQL 2012 and SQL 2008 R2.We are currently using NETAPP Technology and I have Redgate Backup Tool but I am mainly looking for fast Restore Process.
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Dec 20, 2006
We are migration few database from SQL 2000 Enterprise Server to the SQL 2005 Enterprise Server (64 bit-Itanium Server)
Problem :
- The performance difference observer was not much (Just 15-18%)
- The CPU Utilization goes to 100% immediately, when the software login screen appears and it sustains in between 90% to 100%
- Multi-User Access (3 or more concurrent users), the sql performance is tremendously slow.
Steps followed for Migration:
- We have used the backup and restore method to migrate the data from SQL 2000 Enterprise Server to the SQL 2005 Enterprise Server (64 bit-Itanium Server).
- We ran the DBCC DBREINDEX for each affected tables
- We executed the sp_updatestats procedure for all the tables
- Upgraded the DB compatibility version to 90
- Installed the SQL 2005 Enterprise Server (64 bit-Itanium Server) Service pack 2.
One thing that we observed, was the memory usage, on SQL 2000 the sqlservr.exe uses around 1.5 GB where as on the SQL 2005 its just 120 MB.
A normal select query on 2000 Server took 11-12 sec, having 10 lac records, and the same query on 2005 took 1 min (3-5 sec CPU process taken by sqlservr and rest by the Sever Management Studio.
The only differance noted was that on 2000 the entire data was displayed at one go where as in 2005 the data was displayed at the 1st sec, and was filling the rest in the buffer, and to finally display entire data it took 1 min.
Also
when we run this query
select * from sys.dm_os_sys_info
one column os_priority_class shows a value = 32 ? what does this means.
In the MSSQLSERVER SERVICES, properties, there is a parameter displaying value
Advanced > Running Under 64 bit OS = No ? what does this means.
Could anyone pls suggest as to how to increase the sqlservr.exe memory area, and also how the enhance the performance.
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Jan 17, 2001
Here is the senario. I have a SQL 7 server setup and running in our server room. I do all of the tasks from Enterprise Manager at my computer down the hall. I want to run the Sql that will generate a database from our development server to our production server. The problem that I am having is that when I run the Sql (after modifing the file paths) I get a msg that says it can't find the path specified. Why is that? If I go directly to the production server and run the sql I don't have the problem. Could this be because the drive that I want to put the file on is a hidden share? Please help.
Thanks in advance.
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Oct 13, 2000
I want to install the Enterprise version of SQL7 onto a W2K box. Do I need to use the Advanced Server version of W2K?
Thanks
Steve Jimmo
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Jul 20, 2005
I have recently installed MSDE on my computer. Now I need to get a copy ofEnterprise Mgr or equivalent. Does anyone know if I can obtain this fromsomewhere without having to purchase anything from M$
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Nov 30, 2006
Hi
has anyone used this tool to upload sql databases to a web host
i'm struggling
cheers!!!
Adrian
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Jun 13, 2008
The data limit in SQL Express is 4 GB and SQL Enterprise is unlimited. I have SQL Express installed on my desktop machine. and SQL Enterprise on my web server. Now, I am thinking to develop solution in ASP.NET with SQL Express. and finally upload the solution on web server, where SQL Enterprise is installed. So, will there be any problem in such case ?In other words, the mdf file created by SQL Express and SQL Enterprise is same or different ?
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