A tutorial on using PostgreSQL's crosstab function to pivot data directly in SQL, enabling easier analysis without external tools.
A guide to using JavaScript functions within PostgreSQL for JSON data manipulation, featuring examples and code snippets.
A guide to using EXPLAIN and EXPLAIN ANALYZE in PostgreSQL, including JSON output and visualization tools for query execution plans.
A collection of practical tips and guides for effective indexing in PostgreSQL, covering unused indexes, costs, and performance considerations.
Explains how to use PostgreSQL expression and functional indexes to optimize queries using built-in functions or custom JavaScript functions.
A developer shares common SQL bad habits like using column numbers in ORDER BY, implicit joins, and lacking comments, with examples and better practices.
A guide to using PostgreSQL's array_agg function to efficiently aggregate and format data, avoiding manual application-level processing.
Explains how to fix Django's default per-request database connection behavior to improve performance via connection pooling.
A guide to scaling database reads in Rails using replica databases and the ar-octopus gem, avoiding the complexity of full sharding.
A guide to customizing and enhancing the PostgreSQL command-line interface (psql) for improved productivity and workflow.
A developer shares his preferred method for working with PostgreSQL, advocating for the psql command-line tool and sharing key tips and configurations.
A guide to optimizing PostgreSQL queries using pg_stat_statements, focusing on analyzing query performance and improving indexes.
A guide to database sharding, explaining what it is, why it's needed, and how to implement logical and physical shards for scaling.
A developer shares his approach to writing clean, readable SQL with practical examples and best practices for structuring queries.
A technical guide on using a Redis Foreign Data Wrapper (FDW) to query and join Redis data directly from within a PostgreSQL database.
Explains how to implement database connection pooling for Django applications using PostgreSQL to improve performance.
A guide for developers on monitoring and improving PostgreSQL database performance, covering cache hit rates and index usage.
Explains how to use the Array datatype in PostgreSQL for storing and querying data like tags or purchase items, with practical examples.
Explains how to implement schemaless data storage in Django using PostgreSQL's hstore extension as an alternative to MongoDB.
A detailed exploration of advanced PostgreSQL features like concurrent indexing, transactional DDL, and foreign data wrappers.
