Apache Tomcat: Connection Pool Manager - Confusion

Product: Apache Tomcat
Version: 7.0 or higher

Tomcat connection pool manager information in the internet is so confusing, even from Apache Tomcat documentation page itself.

This post is to highlight common miscommunication and understanding in the community.

Let's clarify about Apache Tomcat's build-in JNDI/JDBC DB connection pool manager.

Tomcat has build-in 2 connection pool manager:

1. org.apache.tomcat.jdbc.pool.DataSource - Tomcat preferred light-weight connection pool manager

2. org.apache.tomcat.dbcp.dbcp2.BasicDataSource

The configuration parameters