( MongoDB )
Learning Data Modeling and Schema Design with MongoDB
Text by Takafumi Endo
Learn MongoDB data modeling essentials: from document structure to schema design patterns. Master NoSQL database modeling for scalable applications.
Blog
( PostgreSQL )( Materialized View )
PostgreSQL Materialized Views: From Basics to Practical Examples in Mastodon
Text by Hirotaka Miyagi
Explore PostgreSQL Materialized Views from basics to real-world applications, featuring how Mastodon leverages them for performance optimization.
( ActiveMQ )( Kafka )
ActiveMQ and Kafka: Core Differences and Insights for Database Design
Text by Takafumi Endo
A comprehensive guide to ActiveMQ and Kafka differences for database design. Analysis of features, performance, and use cases to help you select the ideal messaging platform.
( Database )( PostgreSQL )( One-to-One Relationships )
Getting Started with One-to-One Relationships in PostgreSQL
Text by Hirotaka Miyagi
Learn key reasons for using one-to-one relationships in PostgreSQL, including performance and maintainability benefits, table splitting for data frequency differences, security, and practical tips for consistent design and data integrity.
( Semantic Searh )( Ruby on Rails )
Building Semantic Search in Ruby on Rails Using the Neighbor Gem
Text by Takafumi Endo
Explore semantic search in Rails with the Neighbor gem. Learn how vector embeddings and PostgreSQL enable intelligent, meaning-based search in modern apps.
( SQL )( Database )
Platforms to Practice SQL: Level Up Your Database Skills
Text by Takafumi Endo
Discover top SQL learning platforms for all skill levels. From interactive courses to real-world challenges, find the perfect tool to master database querying.
( SQL )
Designing a Beginner-Friendly SQL: Tips for Teaching Practical Database Skills
Text by Takafumi Endo
Create engaging SQL workshops for beginners. Learn practical strategies and exercises that make database concepts accessible while keeping learners motivated.
( SQL )
Why Surrogate Keys Win: A Practical Guide to Database Key Selection
Text by Hirotaka Miyagi
The choice between natural keys (business-meaningful attributes) and surrogate keys (system-generated identifiers) is crucial in database design, impacting system maintainability, flexibility, and long-term performance.
( Oracle )( Database )
Oracle Database History: A Technical Journey Through 45+ Years of Innovation
Text by Takafumi Endo
From startup to enterprise giant: Oracle Database's 45-year journey reveals how key architectural decisions shaped modern cloud-native database technology.
( PostgreSQL )( Artificial intelligence )
Expanding PostgreSQL’s Horizons with Timescale’s Vector Capabilities
Text by Takafumi Endo
Explore Timescale's new vector tools in PostgreSQL. Learn how pgai and pgvectorscale enable scalable AI applications with integrated vector search.
( Ruby on Rails )( AI )
Enhancing Ruby on Rails Development with RubyMine's AI Assistance
Text by Takafumi Endo
Discover how RubyMine's AI Assistant transforms Rails development. From code generation to documentation, explore advanced features boosting developer productivity.
( Data Teams )( Database )
Scaling Data Teams for Impact in 2024
Text by Takafumi Endo
Learn how to scale data teams efficiently in a competitive landscape. Strategic insights for building high-impact data infrastructure with lean resources.
( Data Warehouse )( Data Lake )( Data Mart )
What’s the Difference Between a Data Warehouse, Data Lake, and Data Mart?
Text by Takafumi Endo
Master key differences between data warehouses, lakes, and marts. A practical guide to choosing the right storage solution for your needs.
( Key Metrics )( Database )
Measuring Database Performance: Key Metrics and Practices for Modern Applications
Text by Takafumi Endo
Master database performance metrics and optimization. Learn essential monitoring techniques for response time, throughput, and latency improvements.
( Database )( Product Manager )
Mastering Database Systems: A Guide for Product Managers
Text by Takafumi Endo
Database strategy for PMs: Learn how to choose the right database architecture to optimize user experience and support product growth.
( SQL )( NewSQL )( Database )
Distributed SQL vs. NewSQL: Navigating the Evolution of Scalable Database
Text by Takafumi Endo
From SQL to Distributed SQL: Explore the evolution of databases and how modern architectures achieve scalability without sacrificing consistency.