Try this:

ISNULL(
    SUM(
        colA * Constant1 * colC /
        (NULLIF(colB,...

Visual Studio: You can't delete from the report. In Report Designer, go to Solutions Explorer and delete from the Shared Dataset Folder or the Shared Data Sources...

Specify the Columns your want avoid using Select *.  Do you need all records returned? maybe use where clause to limit records.

in SSIS adjust  CommandTimeOut  set...

I'm not sure what your issue is? Is it timing out? or giving you an error?  Make a copy of you two views as a backup, just in case.

Does your...

I would think your problem is going to be a field where you are doing a calculation,  also look at if your are grouping with totals.

You can also disable report caching.

https://iatric.com/ssrs-tip-adding-a-tool-to-clear-the-ssrs-data-cache/

Connect to Report server in SSMS .

DELETE FROM ReportServerTempDB.dbo.ExecutionCache

Restart SSRS Services

Check connection string:

Sql Connection: Data Source=ServerName;Initial Catalog=DatabaseName;User ID=Username;Password=Password;

VS

OleDbConnection: Provider=SQLOLEDB;Data Source=ServerName;Initial Catalog=DatabaseName;User ID=Username;Password=Password;

If you're using SqlConnection in .NET, the connection string should not...

What are the prerequisites?

Legacy Cardinality Estimation: If performance regressions occur after upgrading, SQL Server 2019 allows enabling the legacy CE model for specific databases or queries. This can be done using the ALTER...

Execution Plan Differences: Compare execution plans before and after migration to identify bottlenecks.

Query Store Analysis: Use Query Store to analyze execution times and identify regression cases.

Locking and Blocking: Investigate any...

• This reply was modified 9 months, 3 weeks ago by Tav29.

The database compatibility level determines how SQL Server interprets and optimizes queries based on the version's features. If your database was migrated from SQL Server 2017 to 2019, it may...

Your welcome.

Found this: https://stackoverflow.com/questions/18888457/allowing-excel-privileges-to-sql-server-agent

Check SSIS Package Configuration:   If you're using SSIS, ensure the package is configured to run under a domain account with access to both the file and the Excel object.