Hello
Over the past few weeks, I have been diving deep into Microsoft SQL Server not just using it for CRUD operations but trying to truly understand how its internals work. 
From query optimization & indexing to execution plans and memory usage; I realized most online tutorials just skim the surface. 
The more I searched; the more I felt overwhelmed by scattered information & outdated material.
That changed when I discovered the SQL Server Internals Stairway Series. It’s a structured learning path that explains the inner workings of SQL Server in a progressive, beginner-friendly way.
It answered many questions I didn’t even know I had like why certain queries suddenly slow down / how the query optimizer actually makes decisions. 
For those asking what is Microsoft SQL Server, it’s much more than just a database engineit’s a full-fledged data platform that; when understood properly, can drastically improve application performance and maintainability.
If anyone else has learning resources or structured guides that helped them master it beyond the basics, I’d love to hear your recommendations too.
Thank you !!