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 Results for "database migration"

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24 results
Article Product Engineering ★ Featured

Multi-Tenancy Patterns — Database-per-Tenant, Schema-per-Tenant, and Row-Level

Tradeoffs for SaaS data isolation, compliance, and operational complexity.

multi-tenancy SaaS database per tenant row-level security PostgreSQL
223 views Oct 23, 2026
Article Data & Platform ★ Featured

Choosing a vector database: pgvector vs Pinecone vs Weaviate

A practical comparison across dimensions that matter for production RAG systems.

vector database pgvector Pinecone Weaviate embeddings
210 views Oct 23, 2026
Article Product Engineering ★ Featured

SQL Query Optimisation — Indexes, Execution Plans, and N+1

Practical techniques for making slow queries fast.

SQL query optimisation indexes N+1 EXPLAIN
222 views Oct 23, 2026
Article Data & Platform ★ Featured

Graph Databases — When to Use Neo4j Over Relational

Nodes, edges, Cypher queries, and use cases where graph beats SQL.

Neo4j graph database Cypher knowledge graph fraud detection
199 views Oct 23, 2026
Article Applied AI & ML ★ Featured

What is Retrieval-Augmented Generation (RAG)?

A plain-English explanation of RAG: why it beats pure LLM memory for production knowledge systems.

RAG LLM embeddings vector database retrieval
170 views Oct 21, 2026
Article Product Engineering ★ Featured

Database Schema Migration Strategies

Expand-contract pattern, zero-downtime migrations, and tooling.

database migration expand-contract zero downtime Flyway Liquibase
190 views Oct 21, 2026
Article Product Engineering

API Pagination — Cursor, Offset, and Keyset Patterns

When each method works, performance tradeoffs, and implementation details.

pagination cursor offset keyset API design
193 views Oct 23, 2026
Article Data & Platform

Vector Embeddings — How They Work and Where They Live

From text to vectors, similarity search, and choosing the right embedding model.

embeddings vector search ANN HNSW MTEB
185 views Oct 23, 2026
Article Product Engineering

API Idempotency — Safe Retries for Mutations

Idempotency keys, implementation, and which HTTP methods are idempotent by definition.

idempotency API Idempotency-Key POST retries
176 views Oct 23, 2026
Article Data & Platform

Real-Time Analytics Architecture Patterns

Lambda, Kappa, HTAP, and choosing the right pattern for sub-second analytics.

real-time analytics ClickHouse Druid Flink HTAP
200 views Oct 23, 2026
Article Data & Platform

Time-Series Databases — InfluxDB vs TimescaleDB vs ClickHouse

Comparing purpose-built and general-purpose solutions for time-series data.

time-series InfluxDB TimescaleDB ClickHouse metrics
220 views Oct 23, 2026
Article Data & Platform

Migrating from MySQL to PostgreSQL

Schema translation, data migration, and common incompatibilities to address.

MySQL PostgreSQL migration pgloader schema translation
194 views Oct 23, 2026
Article Product Engineering

Logging Best Practices for Production Services

Structured logging, log levels, correlation IDs, and log aggregation.

logging structured logs correlation ID log levels Loki
185 views Oct 23, 2026
Article Product Engineering

API Testing Strategy — Unit, Integration, Contract, and E2E

Building a test pyramid that catches real bugs without slowing delivery.

API testing unit tests integration tests contract testing Pact
169 views Oct 23, 2026
Article Product Engineering

Database Connection Patterns in PHP

PDO, prepared statements, connection pooling, and transaction management.

PHP PDO prepared statements transactions database
178 views Oct 23, 2026
Article Data & Platform

Airflow Best Practices for Production Pipelines

Idempotency, backfilling, SLA misses, and common pitfalls to avoid.

Airflow best practices idempotency backfill SLA
207 views Oct 23, 2026
Article Product Engineering

Database Connection Pooling — Why It Matters and How to Configure It

Pool sizing, connection lifetime, and debugging pool exhaustion.

connection pool database HikariCP PgBouncer pool sizing
193 views Oct 23, 2026
Article Computer Repair

Clone HDD to SSD Without Reinstalling Windows

Use Macrium Reflect Free to do a sector-level clone and swap drives safely.

clone SSD HDD Macrium Reflect upgrade
187 views Oct 22, 2026
Article Data & Platform

Change Data Capture (CDC) — Debezium and Log-Based CDC

How CDC works, why it beats polling, and how to implement it with Debezium.

CDC change data capture Debezium Kafka WAL
195 views Oct 22, 2026
Article Data & Platform

Secrets Management for Data Platforms

HashiCorp Vault, AWS Secrets Manager, and patterns for rotating credentials safely.

secrets management Vault AWS Secrets Manager credentials rotation
181 views Oct 22, 2026
Article Computer Repair

Speed Up a Slow Computer — Full Tune-Up Guide

Software and hardware steps to restore performance on an aging PC.

slow PC performance tune-up RAM SSD
189 views Oct 22, 2026
Article Product Engineering

Event Sourcing and CQRS — Practical Implementation

Event store design, projection rebuilding, and operational realities.

event sourcing CQRS event store projection snapshot
175 views Oct 22, 2026
Article Data & Platform

DuckDB — Blazing Fast Local Analytics

When to reach for DuckDB instead of Spark, and how to use it effectively.

DuckDB analytics local Parquet S3
188 views Oct 22, 2026
Article Product Engineering

Extracting Microservices from a Monolith

The strangler fig pattern, identifying seams, and avoiding the distributed monolith.

microservices monolith strangler fig distributed system architecture
181 views Oct 22, 2026