The text explains how to enhance SQL Server monitoring using Datadog by collecting custom metrics, which allows for a more tailored approach to monitoring and improving database performance. It outlines how to configure the Datadog Agent to collect additional performance counters beyond the default ones, using both the SQL Server integration and Windows Management Instrumentation (WMI) integration. By editing configuration files, users can specify custom metrics and associate them with specific performance counters or WMI classes, allowing for granular tracking of database activities such as page lookups, log flushes, and failed SQL Server jobs. The article highlights the value of combining these custom metrics with Datadog's broader monitoring capabilities to identify performance issues and optimize databases effectively. It also mentions that users can try Datadog's services with a 14-day free trial to monitor SQL Server and over 650 other technologies.