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Usman Khan1d ago · 8 min read

Foreign Key Cascade Deletes: Un-Indexed FKs, Slow Cascades, and Lock Contention in PostgreSQL

Running a DELETE on a parent entity with ON DELETE CASCADE feels like clean relational cleanup. But if any child or grandchild table in the dependency chain lacks an index on its foreign key column, P

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Anwar Iqbal Dawar5d ago · 6 min read

Fixing Prisma & Drizzle Connection Exhaustion: How Co-Located Postgres 18 + PgBouncer Cut Our p95 Latency from 914ms to 2ms

When building modern TypeScript and Node.js backends with ORMs like Prisma or Drizzle, managed serverless PostgreSQL feels like the ultimate productivity hack. You get instant database branching, zero

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Ashifur RahamanNov 20, 2025 · 5 min read

SQL Server Storage Internals: Technical Documentation

1. Storage Hierarchy Overview SQL Server organizes data in a strict hierarchy. To the Operating System, SQL Server is just reading and writing files. However, internally, it manages a complex filing system. The Hierarchy: Instance → Database → Filegr...

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Anirudh Singh BhadauriaJan 17, 2025 · 2 min read

Understanding Eventual Consistency ✨

What is Eventual consistency? 🤔 In a distributed data warehouse system, Updates made to the data stored are eventually reflected to data stored in all the nodes. This means that while there might be a temporary period where different nodes show di...

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Amrutha DDec 11, 2023 · 3 min read

Understanding Databases: Overview, Types, and Components

What Is a Database? Overview, Types, and Key Components A database is a structured collection of data, organized for efficient storage, management, and retrieval. Various types of databases exist, each with distinct attributes and purposes. Different...

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Ahmad AteyaJun 30, 2023 · 12 min read

B+Tree in DBMS

Introduction In this article, we will explore B+ Trees, a fundamental data structure extensively utilized in DBMS, especially for table indexes. Building upon our previous discussion of Hash Tables, we will delve into the design considerations, imple...

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Ahmad AteyaJun 4, 2023 · 11 min read

Columnar Databases & Compression

Introduction In the previous article, we delved into the world of database storage, specifically focusing on disk-oriented DBMS and how tuples are stored within pages using different approaches such as the Tuple Oriented Approach, Slotted Pages Appro...