So sorry if this has been answered before, but I cannot find an answer anywhere. I have a SQL database on server "A" that has had updates etc etc on it at the same time the same database is on server "B".
Now the issues is, some websites moved over sooner than others and those were being updated etc on server "B" while the other websites (maybe 2 or 3 weeks worth of signups) where being updated on server "A."
It sounds like SQL Data Compare is the tool you need right now. It allows you to compare data between two databases (you can select individual tables) and synchronize them. It's extremely useful when dealing with identity columns and constraints.
We have started to receive the error below for a couple of months now, I have executed a number of DBCC CheckDB commands for the databases but no integrity or corruption is shown. There are no visible issues with any of the databases.
There is no more information on this trace flag anywhere therefore I am not sure what it is actually for and any impact. The server is patched to SQL Server 2017 Enterprise CU27 so should include any past hotfixes or patches as suggested.
Now, what I would recommend is investigating the problem. What changed that caused the problem to start? Did you install CU27 and shortly after the problem started OR was CU27 installed for a while before problems occurred? If installation of CU27 wasn't the cause, what else changed around the time the problem started? Are there any other errors in the logs (SQL and Windows) that occur around the same time? Does the problem occur when you run the same scenario as you linked (SELECTing from a view from a linked server) OR is it different steps to make the problem occur?
The above will help the Microsoft support team, and may even help you (or us) solve it without them if any of the logs have interesting data. That being said, I still recommend reaching out to Microsoft as you pay for support; might as well use it!
The above is all just my opinion on what you should do.
As with all advice you find on a random internet forum - you shouldn't blindly follow it. Always test on a test server to see if there is negative side effects before making changes to live!
I recommend you NEVER run "random code" you found online on any system you care about UNLESS you understand and can verify the code OR you don't care if the code trashes your system.
Typically, an assertion failure is caused by a software bug or data corruption. To check for database corruption, consider running DBCC CHECKDB. If you agreed to send dumps to Microsoft during setup, a mini dump will be sent to Microsoft.
We are now running SQL Server Enterprise 2017 with CU28, I did check for corruption straight away with DBCC CHECKDB which yielded no results, that said it does appear that this may have arisen after CU27 was installed, but then cleared after CU28 was installed at the end of February. I will keep an eye on this and reach out to MS should this happen again. One of their guides suggested trace flag 9121 but I cannot find any information on that flag.
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For several reasons , I need to install several sql server versions on the same Pc : 2005 , 2008 , 2008 R2 , 2012 , 2014,2016.I've read somewhere that this can be done using different instance names for each sql version. But the problem is that every time i try to install a higher versions , is trying to upgrade the existing version and not to install as a new version keeping the old version untouched.
Ensure you do not have any default instances of SQL installed (that means SQL installs that don't have a named instance). These are designed only to be used when no other SQL version is installed on the host, these will block Port 1433. This was the usual configuration for SQL 2000 & 2005. With named instances each instance has a dynamic(random) port allocated, the SQL Browser sits on port 1433 and redirects the SQL connection to the correct port for the named instance.
SQL 2005 used a nice simple installer. With the introduction of SQL 2008 new additional software was required such as Power Shell and .NET. This required a new SQL installer which was a bit confusing and rough around the edges. Thankfully the SQL installers improved with each version. I suspect your trouble will probably be mainly with the 2008 installer.
When you use the new SQL 2008 and above installer you need to choose Installation from the left hand side. Then New SQL Server stand-alone installation or add features to an existing installation. Followed by Perform a new installation of SQL Server 2008. You then need to check the box for Database Engine Services. Then name your instance and continue.
Obviously with all these services running it is going to create a load on the system. If you are using this for intermittent testing purpose I would recommend configuring the SQL services to manual startup type. Install SQL 2005 Service Manager which will allow you to quickly startup a SQL Service when required from the system tray. (Despite the name it will allow you to start or stop any version of SQL)
When you publish an app that connects to SQL Server, both the app and the connection are deployed to your users. This means that both the app and the connection are visible to users that the app is shared with.
It is best practice to use explicit connections for your Power Apps, but there are also use cases for implicit connections. There is a good article here that explains the differences and implications in more detail.
To create a connection to SQL Server from Power Apps, first click on Data > Connections, and then click on + New connection and select SQL Server from the available options.
In the meantime, if your needs are like the first use case, then going through the process of building an app in Power Apps (or another platform) may be overkill. If you need a way for general users to manage data in a SQL environment, then a solution like SQL Spreads would work well and be simpler to implement and use. SQL Spreads is an add-in for Excel that allows users to connect to SQL Server and view and update data from within Excel. It has the following features:
After the connection is created, how can we see the username specified on that connection. We may have multiple connections to the same server/database, but with different credentials (to apply security as needed). Is there a back-end way to query for that?
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Many organizations follow specific naming conventions for the database servers. We might manage multiple servers, and it might be challenging to remember the specific server names. In another scenario, we might be running SQL Server on a specific port other than the default port 1433. In this case, we also require remembering the specific port number and using it in the connection string or in SSMS to make a connection.
We can register the servers in SSMS and give it a friendly name for connecting it with the central management server. You can connect to a specific SQL Server instance using a familiar name from the CMS server only. SQL Server does not recognize that name, and it does not allow connections from any other server using a familiar name.
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