This type of data source is enabled for connection pooling. It does not provide the interoperability that enhances connection pooling and cannot participate as a two-phase capable resource in transactions that involve multiple resources. This type of data source is the basic form. Simple and Protected GSSAPI Negotiation Mechanism.Kerberos Constrained Delegation for SPNEGO.Jakarta Enterprise Beans Persistent Timers.Jakarta Enterprise Beans Message-Driven Beans.Jakarta Enterprise Beans Home Interfaces.Jakarta Contexts and Dependency Injection.Jakarta Application Client Support for Server.Distributed Map interface for Dynamic Caching.Basic Extensions using Liberty Libraries.Automatic Certificate Management Environment (ACME) Support.Application Security (Jakarta Security ).Forwarding logs with Logstash collector.Automatic certificate management with ACME.External configuration of microservices.Create a database table for session persistence.Configuring Infinispan as a JCache provider.Relational database connections with JDBC.Concurrency with MicroProfile Context Propagation.Send and receive multipart/form-data parts.Differences between MicroProfile 2.2 and 2.1.Differences between MicroProfile 3.0 and 2.2.Differences between MicroProfile 4.0 and 3.3.Differences between MicroProfile 5.0 and 4.1.Differences between Jakarta EE 9.1 and 8.1.Guide: Getting started with Open Liberty.