PostgreSQL

Datatbase Systems

How PostgreSQL and MySQL Handle No-Op Updates

How PostgreSQL and MySQL Handle No-Op Updates: A Performance Deep Dive Introduction No-op updates in SQL—where an UPDATE statement sets columns to their existing values—are rare in well-designed applications. Yet legacy code, third-party plugins, or […]
Datatbase Systems

Understanding Foreign Data Wrappers in PostgreSQL

Understanding Foreign Data Wrappers in PostgreSQL: A Complete Guide to postgres_fdw In today’s distributed data landscape, organizations often need to access and integrate data from multiple database systems. PostgreSQL Foreign Data Wrappers (FDWs)provide an elegant […]
Datatbase Systems

Understanding PostgreSQL LATERAL JOINs

Understanding PostgreSQL LATERAL JOINs: A Deep Dive Introduction PostgreSQL’s LATERAL JOIN is a powerful feature that extends the capabilities of standard SQL joins. While traditional joins evaluate all rows independently, LATERAL joins allow subqueries to […]
DBA

Indexing Materialized Views in PostgreSQL

Indexing Materialized Views in PostgreSQL What are Materialized Views? Materialized views in PostgreSQL are precompiled queries that store their results physically on disk, unlike regular views, which are virtual and execute the underlying query each […]
DBA

Strategic Shift from Oracle to PostgreSQL

Introduction: The Strategic Shift from Oracle to PostgreSQL The “Why”: Drivers of Modernization The enterprise database landscape is undergoing a seismic shift. For decades, Oracle Database has been a cornerstone of corporate data infrastructure, renowned […]