Everything PostgreSQL – Technical articles, in-depth discussions, and how-to's

This article explains measures against ransomware attacks that must be set in advance, and why backup planning is the key to business continuity.

This article explains the audit log functionality in PostgreSQL and Fujitsu Enterprise Postgres and how it is used to detect potential security threats.

This article explains how PostgreSQL Foreign Data Wrappers can access various external data sources such as Oracle, MySQL, SQL Server, and MongoDB, among others.

This is the first part on our discussion of how to access Oracle databases using PostgreSQL's Foreign Data Wrapper oracle_fdw.

This article concludes our discussion of the use of PostgreSQL's foreign data wrapper oracle_fdw, and how to use it more effectively.

This article explains partitioning, the method for storing data in divided tables, based on declarative partitioning.

Explaining the mechanism of pruning, wise join, wise aggregation, that can enhance partitioning performance.

Explaining what is SQL tuning, how SQL is executed, how to detect slow SQL statements, and methods to investigate the cause.

This article walks through a sample SQL tuning process, including how to identify slow SQLs and apply changes to refine your application performance.

This article explains how to leverage pg_dbms_stats to fix statistics of your database for stable transaction throughput and performance of your system.

This article explains how to control execution plans by using the tool pg_hint_plan and setting hint phrases to dictate what scanning method is to be used.