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SQL Sever 2025 request with SQL connection
Hello, I installed SQL Server 2025 on a new VM, and I’m using a C# project to initialize my database based on a model (creating tables, foreign keys, default values, etc.). The process is extremely slow on SQL Server 2025: on my SQL Server 2022 environment, it takes about 30 minutes, but my first test on 2025 ran for over 4 hours. I’m connecting to SQL using a SQL authentication login (I tried both SA and a newly created account — same issue). I then tested using a Windows Authentication login, and surprisingly, the performance issue disappeared. Are there any known issues related to SQL authentication in SQL Server 2025?
Cannot login to Analyses Services SQL 2025 Standard
Hello, I have installed SQL Server 2025 Standard Developer and no way to login to Analyses Services. I have latest version of SSMS (so drivers/libraries should not be an issue): I keep getting this: I've even tried with connection string with server name and instance - no luck. I know that after installing SQL 2025 Server Enterprise, there is no such problem with Analyses Services. Any help would be very appreciated. Best regards!
Database Level Collation Issues
Some background information. In the past we had a database where we didn't really care about collation at the database, table/column, functions and views. Though now we have a requirement due to a technology acquisition, requires SQL_Latin1_General_CP1_CI_AS. Microsoft seems to not have a simple method that guarantees changing the collation throughout the database on complex DBs with large amounts of tables, columns, functions, etc... specially with high dependencies, FKs and PKs and not affect any of the data (no moving the data is not simple). I have a command, where I stop all of the SQL services and any connections to the DB and use the following command line to change the collation to the one I specify. The issue is this command only works about 65% of the time and no clue to the why it fails the other 35%. The command used is: The parameter "-s" is necessary only if you have a named instance, remove the -s if no instance. sqlservr -m -T4022 -T3659 -s"SQL2019" -q"SQL_Latin1_General_CP1_CI_AS" or sqlservr -m -T4022 -T3659 -q"SQL_Latin1_General_CP1_CI_AS" When this does not work, I have a set of 6 SQL scripts to tear the database apart in a complex method to get them operational. Does anybody have any idea why the hit and miss on the command? Or a better method / way to fully change the DB collation?
Struggling with AI/ML and Python installation on MSSQL2025 GA
I swear that i did not have any issues installing AI/ML on CTP2.1, don't believe i tried it on RC0 or RC1, but gosh is installing python, R difficult on GA! wow ! Can Microsoft or some good soul please share exact steps on installing AI/ML on 2025GA w/ Python 3.10 and also please share all of the exact versions needed and the icals (permission setups), Also I'm confused with this virtual account vs domain account setups. Also can i use Python 3.13 or 3.14 ? or am i locked into 3.10 only ? Does any one have the exact steps on Windows 11 Pro for a SQL Server 2025 Enterprise Development environment ? I see this article but its so confusing : https://learn.microsoft.com/en-us/sql/machine-learning/install/sql-machine-learning-services-windows-install-sql-2022?view=sql-server-ver17&viewFallbackFrom=sql-server-ver15
Major increase in transaction log backup size after upgrading to SQL Server 2022
Has anyone experienced a major increase in transaction log backup size after upgrading to SQL Server 2022? I recently upgraded one of our SQL Server environments from SQL Server 2019 to SQL Server 2022 (migrated databases to new SQL Server 2022 instances). After the upgrade, I noticed that transaction log backup sizes increased by 3× to 5×, even though: No application changes were made Workload and data change volume should be roughly the same Backup schedule remained the same (log backups every 30 minutes) Backup compression is default (same as before) The database is part of an Always On Availability Group running in synchronous commit mode Metrics I obeserved: Transaction log backup file size — increased 3× to 7× Log Write Throughput/sec — more than doubled Write Log Throughput — increased after upgrade Background Write Pages/sec — went up as well Log Bytes Flushed/sec Bytes Sent to Replica/sec — increased post-upgrade Backup/Restore Throughput/sec — increased from ~13 MB/sec → ~38 MB/sec Bytes Sent to Replica/sec (Always On counter) — increased New hardware is used — previous physical disk sector size was 4K, now it's 512 bytes Same Amount of RAM and CPU
Determine a Value from a customized field in a select statement.
I am new. I am looking to determine the value of a customized field based on the value of a previous customized field. Here is what I have so far: select c.*, CASE WHEN c.[Case End Date] is null Then DATEDIFF(day,c.[Case Start Date], getdate()-1) ELSE DATEDIFF(day,c.[Case Start Date], c.[Case End Date]) END as [Days Open], CASE WHEN [DAYS OPEN] > 60 THEN 1 ELSE 0 END AS [60DAYSORMORE] From d_case as c The issue I have is that the system will not recognize my [Days Open] as a field. Msg 207, Level 16, State 1, Line 9 Invalid column name 'DAYS OPEN'. How can I make this work in Microsoft SQL Server Management Studio?Error Locating Server/Instance Specified - Tried everything I can find
Hello SQL experts, I am sort of at my wits end at this point and was hoping someone from the community could help me, I have referenced several discussions on this community and still have not found a solution that worked for my situation. I am trying to set up a automatic backup solution for a SQL Express Server so I can't use the SQL Agent to schedule a backup. Below is a batch script for sqlcmd I am trying to use to create the backup and as soon as I have it working, I plan on scheduling it as a task that will be executed weekly. I have also included the SQL query that works just fine when run from inside SSMS and creates the backup as expected. Batch file script: Echo off REM ================================================================ REM BackupDatabase.bat REM ================================================================ REM --- Configuration --- SET SERVER_NAME=.\FTVIEWX64_SRSS SET USER_NAME=xxxxxx SET PASSWORD=xxxxxx SET SQL_SCRIPT=C:\Users\Public\Documents\xxxx_BackupDatabase.sql REM --- display timestamp --- echo [%date% %time%] Starting database backup... REM --- Run SQLCMD --- sqlcmd -S %SERVER_NAME% -U %USER_NAME% -P %PASSWORD% -i "%SQL_SCRIPT%" IF %ERRORLEVEL% EQU 0 ( echo [%date% %time%] Backup completed successfully. ) ELSE ( echo [%date% %time%] Backup FAILED! Error code: %ERRORLEVEL% ) pause SQL Query being used: -- BackupDatabase.sql DECLARE @BackupFileName NVARCHAR(255); SET @BackupFileName = N'D:\SQLdbBackup\XXXX_' + CONVERT(VARCHAR(8), GETDATE(), 112) + N'.bak'; BACKUP DATABASE XXXX TO DISK = @BackupFileName WITH NOFORMAT, NOINIT, NAME = N'Full Backup of XXXX', SKIP, NOREWIND, NOUNLOAD, STATS = 10; GO When I run the batch file I get this in the sqlcmd window as an error code: The necessary services all seem to be running fine as you can see below: The sqlcmd version is as follows: SQL server version is as follows: Connections for the server are configured as follows: Any and all help would be greatly appreciated so I can resolve the issue and get regular backups scheduled for this server. Thanks and Kind Regards, Dan
