This text discusses how to use Datadog's PostgreSQL integration to monitor and optimize database performance. It provides a step-by-step guide on installing the Datadog Agent, granting it permission to access statistics from pg_stat_database view, configuring the Agent to collect PostgreSQL metrics, visualizing data with dashboards, collecting custom PostgreSQL metrics, detecting and optimizing slow queries with Database Monitoring, tracing PostgreSQL queries with APM, creating custom dashboards, and setting up alerts. The text also mentions how Datadog integrates with more than 650 other technologies to help correlate metrics from PostgreSQL servers with other services throughout the environment.