Managed Instances — Complete Guide
Managed Instances — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of SQL Server Tutorial on Toolliyo Academy.
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SQL Server Tutorial · Lesson 86 of 100
Managed Instances
SQL basics ✓ → Queries ✓ → Advanced
Advanced · 3 — Procedures · ~10 min · SQL — 2022 & Cloud
What is this?
Azure SQL Managed Instance is near full SQL Server instance compatibility in Azure — Agent jobs, linked servers, CLR options — with managed infrastructure.
Why should you care?
Lift-and-shift from on-prem SQL Server is smoother than migrating to single database PaaS.
See it live — copy this example
Run in SQL Server Management Studio (SSMS) or Azure Data Studio.
-- On Managed Instance, many instance features work:
SELECT SERVERPROPERTY('EngineEdition'); -- 8 = Managed Instance
SELECT name, enabled FROM msdb.dbo.sysjobs; -- SQL Agent jobs exist
-- Still use Azure networking (VNet) — not random public exposureWhat happened?
- EngineEdition 8 signals MI.
- SQL Agent appears unlike Azure SQL DB.
- Networking is VNet-centric — plan subnets early.
Practice next
- Compare feature lists: DB vs MI vs VM.
- If you need Agent jobs as-is, prefer MI for lift-shift.
- Test linked server needs before choosing.
- Map which DataVerse jobs need Agent.
- Estimate MI vs VM TCO roughly.
Remember
MI ≈ instance compatibility in Azure. Supports Agent and more surface area. Costs more; fits migrations.
Lift-shift ERP DB
On-prem DataVerse ERP moves to Managed Instance.
Outcome: Agent jobs keep running with minimal rewrites.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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