Azure SQL — Complete Guide
Azure SQL — 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 85 of 100
Azure SQL
SQL basics ✓ → Queries ✓ → Advanced
Advanced · 3 — Procedures · ~10 min · SQL — 2022 & Cloud
What is this?
Azure SQL Database is Microsoft’s managed PaaS SQL engine — Microsoft patches hosts; you manage databases, users, and queries.
Why should you care?
Teams skip OS patching and use elastic scale, geo-replication, and Azure AD auth.
See it live — copy this example
Run in SQL Server Management Studio (SSMS) or Azure Data Studio.
-- Connect with Azure AD / SQL auth from SSMS to your server.database.windows.net
SELECT @@VERSION;
SELECT DATABASEPROPERTYEX(DB_NAME(), 'Edition') AS Edition,
DATABASEPROPERTYEX(DB_NAME(), 'ServiceObjective') AS ServiceObjective;
-- CREATE USER [app-identity] FROM EXTERNAL PROVIDER; -- Azure AD user patternWhat happened?
- @@VERSION and DATABASEPROPERTYEX show you are on Azure SQL and which service tier.
- External provider users map Azure AD identities.
Practice next
- Create a free/low-tier Azure SQL DB for practice.
- Connect from SSMS and run the property query.
- Create a contained-style user for the app.
- Scale service objective in a test database.
- Compare DTU vs vCore mental models.
Remember
Azure SQL = managed database. Tiers set power and price. Firewall + AAD harden access.
DataVerse cloud OLTP
Startup hosts DataVerse on Azure SQL Hyperscale.
Outcome: Ops focuses on queries, not Windows patching.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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