List/Grid Tag Archives: JDBC

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Creating an object stream from a JDBC ResultSet

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. ...
java-interview-questions-answers

Stop Trying to Emulate SQL OFFSET Pagination with Your In-House DB Framework!

I’m pretty sure you’ve gotten it wrong in numerous ways, so far. And you probably won’t get it right any time soon. So why waste your precious time on SQL tweaking, when you could ...
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We’re Hacking JDBC, so You Don’t Have To

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

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 ...
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A SQL query DSL for Scala by ScalikeJDBC

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 ...
java-interview-questions-answers

JDBC 4.0’s Lesser-known Clob.free() and Blob.free() Methods

When I talk about jOOQ at conferences, I always show this slide containing a bunch of very common JDBC mistakes that people often commit:                    Six ...
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Deploying Identity Server over a JDBC Based User Store

With this post I am to demonstrate how to configure WSO2 Identity Server with a JDBC user store. For the demonstration I am using a MySQL user store, but same procedure applies to any ...
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JDBC Realm and Form Based Authentication with GlassFish 3.1.2.2 and Primefaces 3.4

One of the most popular posts on my blog is the short tutorial about the JDBC Security Realm and form based Authentication on GlassFish with Primefaces. After I received some comments ...
spring-interview-questions-answers

Spring Data JDBC generic DAO implementation – most lightweight ORM ever

I am thrilled to announce first version of my Spring Data JDBC repository project. The purpose of this open source library is to provide generic, lightweight and easy to use DAO implementation ...
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MySql connections autodrop after a certain hours

MySql is configured to drop any connection which has been Idle for more than 8 hours. What is the implication of this? After you return to your deployed app after a gap of 8 hours (If ...
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