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JSGroundwork handwritten · web dev

✎Playground→⌘Problems ↻Review 🔥Progress

Chapters

25 chapters

⌕

Beginner8›

B1Relational model B2SELECT fundamentals B3Joins B4Aggregations B5Insert/update/delete B6Types & constraints B7Schema design basics B8Using a DB client

Intermediate9›

I1Normalization in depth I2Indexes I3Transactions I4Subqueries & CTEs I5Query performance I6NoSQL fundamentals I7ORMs I8Migrations I9Backups & replication

Advanced8›

A1Database internals A2Scaling reads A3Scaling writes A4Advanced transactions A5Caching layers A6Security in depth A7Time-series & analytical A8Schema case study

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SQL & Databases levels

1Beginner 2Intermediate 3Advanced

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JSJavaScript ⑂Git ◎Interview prep ΣDSA in JS SDSystem Design

More topics15›

</>HTML { }CSS ⚛React NNext.js NeNest.js TSTypeScript NoNode.js 🐳Docker DBSQL & Databases ✓Testing 🔒Web Security ☁Cloud & DevOps ◈GraphQL ◆Redis ☸Kubernetes

100%

A6

Database security in depth

not written yet

This section will cover:

Least privilege, SQL injection prevention in depth

←previousCaching layers↑ Cover nextTime-series & analytical→