Tutorials ADO.NET Core Tutorial
Hospital Management System — Complete Guide
Hospital Management System — Complete Guide: free step-by-step lesson with examples, common mistakes, and interview tips — part of ADO.NET Core Tutorial on Toolliyo Academy.
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ADO.NET Core Tutorial · Lesson 94 of 100
Hospital Management System
Foundations ✓ → SQL & safety ✓ → Production ✓ → Projects
Projects · 4 — Portfolio builds · ~10 min · Module 10: Real-World Enterprise Projects
What is this?
Hospital-style scheduling stores appointments with conflict checks via parameterized ADO.NET.
Why should you care?
ShopNest clinic add-on books rooms without double-booking.
See it live — copy this example
Use a .NET console or API project with SQL Server LocalDB. Run dotnet run after pasting.
cmd.CommandText = @"INSERT INTO Appointments(RoomId, StartUtc, EndUtc, PatientId)
SELECT @RoomId, @Start, @End, @Patient
WHERE NOT EXISTS (
SELECT 1 FROM Appointments
WHERE RoomId=@RoomId AND StartUtc < @End AND EndUtc > @Start)";What happened?
- Exclusion via predicate.
- Unique constraints as backup.
- Parameterize all.
Practice next
- Appointments schema.
- Insert-if-free.
- Unique/exclusion index.
- Doctor availability join.
- Cancel soft-delete.
Remember
Conflict-safe insert. Parameters. 409 on clash.
ShopNest clinic rooms
No overlapping room bookings.
Outcome: Schedule stays consistent.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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