Tutorials ADO.NET Core Tutorial
Reporting Systems — Complete Guide
Reporting Systems — 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 62 of 100
Reporting Systems
Foundations ✓ → SQL & safety ✓ → Production → Projects
Production · 3 — ASP.NET & enterprise · ~10 min · Module 7: Advanced Enterprise Topics
What is this?
Reporting systems run heavy SELECTs via ADO.NET on replicas with streaming export.
Why should you care?
ShopNest finance must not scan Orders on primary at noon.
See it live — copy this example
Use a .NET console or API project with SQL Server LocalDB. Run dotnet run after pasting.
var reportCs = config.GetConnectionString("ShopNestDb_Report");
await using var conn = new SqlConnection(reportCs);
// stream aggregate query to CSVWhat happened?
- Separate report connection string.
- Stream results.
- Schedule off-peak when possible.
Practice next
- Add report CS.
- Point GMV query there.
- Stream to file.
- Daily snapshot table.
- Partition large facts.
Remember
Replica CS. Stream exports. Read-only user.
ShopNest finance replica
Reports use ShopNestDb_Report.
Outcome: OLTP p95 unaffected.
Interview prep for this lesson
Practice these questions aloud after reading—each links to a full structured answer.
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