In previous post you learn about   JDBC: Drivers Types and Uses. Here are JDBC supported database drivers and connection URL format. You can also check corresponding examples for more detail on it.

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Elasticsearch driver introduce in Elasticsearch 6+ version  and support with Java 8+. You can see more detail on it on Elasticsearch Tutorial.

More on JDBC

Follow below links to know more on JDBC and solving JDBC issues :

JDBC Tutorial

JDBC Sample Code

JDBC Issues and Solutions

JDBC Interview Questions And Answers