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Tag Archives: JDBC

JDBC Tutorial – The ULTIMATE Guide (PDF Download)

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This tutorial is about JDBC (Java Database Connectivity), an API provided by Oracle that allows programmers to handle different databases from Java applications: it allows developers to establish connections to databases, defines how a specific client can access a given database, provides mechanisms for reading, inserting, updating and deleting entries of data in a database and takes care of transactions ...

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Tomcat to Wildfly: Configuring Database connectivity

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This excerpt has been taken from the “From Tomcat to WildFly” book in which you’ll learn how to port your existing Tomcat architectures to WildFly, including both the server configuration and the applications running on the top of it. WildFly is a fully compliant Java Enterprise Edition 7 container with a much wider set of available services and options compared ...

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A RESTful JDBC HTTP Server built on top of jOOQ

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The jOOQ ecosystem and community is continually growing. We’re personally always thrilled to see other Open Source projects built on top of jOOQ. Today, we’re very happy to introduce you to a very interesting approach at combining REST and RDBMS by Björn Harrtell. Björn Harrtell is a swedish programmer since childhood. He is usually busy writing GIS systems and integrations ...

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Creating an object stream from a JDBC ResultSet

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The introduction of  features Stream API and Lambda in Java 8 enables us to make an elegant conversion from a JDBC ResultSet to a stream of objects just providing a mapping function. Such function could be, of course, a lambda. Basically, the idea is to generate a Stream using a ResultSet as Supplier:               ...

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We’re Hacking JDBC, so You Don’t Have To

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We love working with JDBC Said no one. Ever. On a more serious note, JDBC is actually a very awesome API, if you think about it. It is probably also one of the very reasons Java has become the popular platform it is today. Before the JDK 1.1, and before ODBC (and that’s a very long time ago) it was ...

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115 Java Interview Questions and Answers – The ULTIMATE List (PDF Download)

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In this tutorial we will discuss about different types of questions that can be used in a Java interview, in order for the employer to test your skills in Java and object-oriented programming in general. In the following sections we will discuss about object-oriented programming and its characteristics, general questions regarding Java and its functionality, collections in Java, garbage collectors, ...

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A SQL query DSL for Scala by ScalikeJDBC

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There are a tremendous amount of SQL APIs natively written in Scala. Manuel Bernhardt has summarised a nice collection in his a post. Another collection of Scala SQL APIs can be seen in this Stack Overflow question. One API that we want to focus on in particular is ScalikeJDBC (licensed ASL 2.0), which has recently published a SQL query DSL ...

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