PostgreSQL Continuous Archiving and Point-in-Time Recovery
At all times, PostgreSQL maintains a write ahead log (WAL) in the pg_wal/ subdirectory of the cluster’s data directory. The log records every change made to the database’s data files. This log exists primarily for crash-safety purposes: if the system crashes, the database can be restored to consistency by “replaying” the log entries made since the last checkpoint. However, the existence of the […]
How Large Enterprises Manage Data Efficiently: Tools, Tactics, and Trends
Embracing Data Sovereignty with an AI-Driven Approach Data, in the current digital era, has emerged as one of the paramount assets for large enterprises. It drives innovation, powers business decisions, customer personalization, and AI-driven solutions. But as volumes soar and regulatory pressures mount, how data management is performed by the big companies has fundamentally transformed. […]
Postgres_fdw — access data stored in external PostgreSQL servers
Documentation by PostgreSQL 17 The postgres_fdw module provides the foreign-data wrapper postgres_fdw, which can be used to access data stored in external PostgreSQL servers. The functionality provided by this module overlaps substantially with the functionality of the older dblink module. But postgres_fdw provides more transparent and standards-compliant syntax for accessing remote tables, and can give better performance in many cases. To prepare for remote access […]