Storage: Performance best practices & guidelines - SQL Server on Azure VMs
Transactional replication pre and post scripts
PAGEIOLATCH_EX - SQL Shack - articles about database auditing, server performance, data recovery, and more
Query Performance Insight - analyze performance of your SQL Server Database Engine
How to identify why workload performance on Managed Instance are different than SQL Server?
Increasing data files might improve performance on General Purpose Managed Instance tier
Monitor performance using DMVs - Azure SQL Database
Maintaining indexes optimally to improve performance and reduce resource utilization - SQL Server
Azure SQL DB having performance issues, 100% log/io the cause?
How to Capture the Actual Execution Plan in Azure SQL Database
Monitor database performance with Intelligent Insights - Azure SQL Database
Handling excessive SQL Server PAGEIOLATCH_SH wait types