Optimizing PowerShell Queries for Accessibility Data in SQL Server
I'm working on a personal project and I tried several approaches but none seem to work... I'm relatively new to this, so bear with me. Currently developing a solution for improving accessibility reports for a large database in SQL Server, I've been utilizing PowerShell to automate query execution and collect data. While querying, I noticed that some scripts are performing slower than expected, particularly when filtering results based on user preferences for accessibility features. I've implemented a basic query like this: ```powershell $Query = "SELECT * FROM AccessibilityData WHERE FeatureEnabled = 1" $Results = Invoke-Sqlcmd -Query $Query -ServerInstance 'MyServer' -Database 'MyDatabase' ``` However, performance lags when the dataset is sizeable. To mitigate this, I've tried optimizing the SQL query further by adding indexes to the `AccessibilityData` table, but the performance improvements were minimal. I’ve also looked at reducing the number of records returned by implementing pagination: ```powershell $PageSize = 100 $PageNumber = 1 $Query = @" SELECT * FROM AccessibilityData WHERE FeatureEnabled = 1 ORDER BY ID OFFSET ($PageNumber - 1) * $PageSize ROWS FETCH NEXT $PageSize ROWS ONLY "@ $Results = Invoke-Sqlcmd -Query $Query -ServerInstance 'MyServer' -Database 'MyDatabase' ``` Despite these efforts, the response time remains inconsistent. I’ve monitored network performance and checked for any blocking processes that might be affecting the execution but found nothing significant. I’ve also considered leveraging `Get-DbaDbTable` from the DBAtools module to analyze table statistics. Here’s how I’ve tried it: ```powershell Import-Module DBAtools Get-DbaDbTable -SqlInstance 'MyServer' -Database 'MyDatabase' | Where-Object { $_.RowCount -gt 1000 } ``` Looking for ways to improve the efficiency of my queries, I wonder if there are best practices or alternative strategies for working with large datasets in PowerShell alongside SQL Server. Any insights on caching results, optimizing PowerShell scripts, or additional indexing strategies would be greatly appreciated! What's the best practice here? What's the best practice here? Is this even possible? I'm using Powershell LTS in this project. Any pointers in the right direction?