Databases Resources

S3 Vectors: How to Build a RAG Without a Vector Database

You don't need a vector database anymore. S3 Vectors gives you native vector storage + similarity search, serverless, at up to 90% less cost

May 19, 2026

by Jubin Abhishek Soni

CORE

· 1,497 Views

Lambda-Driven API Design: Building Composable Node.js Endpoints With Functional Primitives

Lambda handlers are just functions that normalize once, wrap cross-cutting concerns as higher-order functions, and keep business logic clean.

May 19, 2026

by Bhanu Sekhar Guttikonda

CORE

· 3,281 Views · 4 Likes

The Vector Database Lie

Most teams don’t need vector databases. PostgreSQL + pgvector handles the majority of AI workloads with less complexity, lower cost, and comparable performance.

May 19, 2026

by David Taiwo Balogun

· 1,217 Views · 1 Like

We Went Multi-Cloud and Almost Drowned: Lessons From Running Across AWS, GCP, and Azure

Multi-cloud sounds strategic, but usually happens by accident. Networking, IAM, and observability all break at boundaries. Only attempt it if you have no choice.

May 18, 2026

by Pruthvi Raj Seknametla

· 1,834 Views

Observability in Spring Boot 4

Bridge observability gaps in Spring Boot 4 by injecting Micrometer Trace IDs via SQL comments and propagating context through Kafka.

May 15, 2026

by ha dinh thai

· 2,711 Views · 1 Like

The Agent Protocol Stack: MCP vs. A2A vs. AG-UI

Three protocols are shaping how AI agents interact with tools, other agents, and users. Here's what each one does, how they fit together, and when to reach for which.

May 15, 2026

by Jubin Abhishek Soni

CORE

· 3,081 Views

The "Zombie API" Attack: Why Your Old Integrations Are Your Biggest Security Risk

Zombie APIs are forgotten, outdated endpoints left active but unmonitored, creating easy backdoors for hackers to steal sensitive data.

May 14, 2026

by Tharun Reddy

· 2,290 Views · 1 Like

How to Test a DELETE API Request With REST-Assured Java

This tutorial demonstrates how to test DELETE requests using Rest-Assured Java for API testing, including examples of deleting data.

May 14, 2026

by Faisal Khatri

CORE

· 2,065 Views

Lease Coordination Under Serializable Isolation in CockroachDB

Designing scalable lease coordination in CockroachDB, focusing on key distribution, concurrency, and reducing transaction conflicts in multi-region systems.

May 14, 2026

by Nishant Jain

· 1,565 Views

Navigating the Complexities of AI-Driven Integration in Multi-Cloud Environments: A Veteran’s Insights

AI is transforming multi-cloud integration with real-time, decentralized, secure systems — improving compliance, APIs, and scalability across industries.

May 13, 2026

by Abhijit Roy

· 2,509 Views · 1 Like

Spec-Driven Integration: Turning API Sprawl Into a Governed Capability Fleet for AI

Alpha release of a new integration approach that translates your existing data and APIs into standardized APIs, MCP, and agent skills for AI.

May 13, 2026

by Kin Lane

· 1,804 Views

AWS Kiro: The Agentic IDE That Makes Specs the Unit of Work

You describe a feature, and Kiro generates structured requirements.md, design.md, and tasks.md files first, then implements against them.

May 13, 2026

by Jubin Abhishek Soni

CORE

· 3,154 Views · 2 Likes

How to Test a PATCH API Request With REST-Assured Java

This tutorial demonstrates how to test PATCH requests using REST Assured in Java for API testing, including examples of partial data updates.

May 13, 2026

by Faisal Khatri

CORE

· 4,186 Views

Has AI-Generated SQL Impacted Data Quality? We Reviewed 1,000 Incidents

We analyzed 1,000 data pipeline incidents across 500+ environments and found that code-related failures still account for ~10% of all data quality issues.

May 12, 2026

by Lior Gavish

· 2,776 Views

DuckDB for Python Developers

DuckDB is an embeddable analytical database that runs inside your Python process with zero setup. It can query CSV files, Parquet, and pandas DataFrames.

May 12, 2026

by varun joshi

· 2,085 Views

Custom Model Context Protocol (MCP) for NL2SQL: A Rigorous Evaluation Framework on Oracle Database

Used MCP to evaluate LLM-generated SQL on Oracle: baseline vs MCP, comparing semantics, order, strings, and EXPLAIN PLAN on 500-query TPC-H.

May 8, 2026

by Sanjay Mishra

· 2,042 Views

RAG Done Right: When to Use SQL, Search, and Vector Retrieval and How To Combine Them

RAG failures stem from retrieval, not models. Replace one-size-fits-all vector search with a decision framework, hybrid flow, and guardrails for reliable systems.

May 8, 2026

by Ram Ghadiyaram

CORE

· 3,129 Views · 8 Likes

How to Test PUT API Request Using REST-Assured Java

This tutorial demonstrates how to test PUT requests with REST Assured in Java for API testing, including code examples to update data.

May 7, 2026

by Faisal Khatri

CORE

· 2,162 Views · 3 Likes

When Retries Become a Denial-of-Wallet

Retries can silently DDoS your wallet — amplifying failures into massive costs. Without limits, jitter, and circuit breakers, “resilience” becomes self-inflicted damage.

May 6, 2026

by David Iyanu Jonathan

· 4,274 Views · 1 Like

Why PostgreSQL CDC Breaks in Production

PostgreSQL CDC often fails after WAL reading: snapshot handoff gaps, unsafe checkpoints, bad ordering, and retry logic can silently corrupt replicated data.

May 6, 2026

by Dmitry Narizhnykh

CORE

· 1,637 Views

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