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The Latest Databases Topics

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How to Use the Period Definition in Oracle 12c
See how you can track which of your records are valid in given timeframes with period definition.
November 25, 2016
by Ben Brumm
· 8,843 Views · 1 Like
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Hypothesis Test Using Pearson’s Chi-squared Test Algorithm
In this article, the author will show how to perform statistical hypothesis test using Spark machine learning API (aka Spark MLlib).
November 25, 2016
by Md. Rezaul Karim
· 14,796 Views · 2 Likes
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Working With Time-series Data on Redshift
Working with data ordered in time has some unique challenges that we should take into consideration when we design our data warehouse solution.
November 23, 2016
by George Psistakis
· 8,619 Views · 3 Likes
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Oracle RDBMS + Neo4j: Migrate or Sync a Subset of Data
Learn two approaches of getting your data from Oracle RDBMS to Neo4j — syncing or migrating — and the benefits and hazards of each one.
November 22, 2016
by Gabe Stanek
· 5,801 Views · 2 Likes
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Get to Know Netflix's Zuul
Here's a look at what Zuul can offer your applications, ranging from authentication and security to routing to resiliency and more.
November 22, 2016
by Rafael Salerno
· 86,402 Views · 19 Likes
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Persisting Natural Key Entities With Spring Data JPA
Learn a handy trick to persist your natural key entities using Spring Data. See how that compares to surrogate keys and what other tricks that permits.
November 22, 2016
by Dawid Kublik
· 21,716 Views · 5 Likes
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Performance Testing With a Think Time
The author investigates the effect of think time on the performance (i.e., throughput and latency) of a WSO2 API Manager under different concurrency levels.
November 22, 2016
by Malith Jayasinghe
· 22,261 Views · 7 Likes
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5 Exceptional Regression Testing Tools
Open-source tools are free, but we need to look at the bigger picture. Check out this list of five regression testing automation tools for enterprises.
November 22, 2016
by Pratik Satasiya
· 50,844 Views · 9 Likes
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Developing a Facebook Chatbot With AWS Lambda and MongoDB Atlas
Learn how to program your own chatbot with the helping hands of AWS Lambda and MongoDB's DBaaS, Atlas.
November 21, 2016
by Jason Ma
· 7,017 Views · 7 Likes
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Elasticsearch Mapping: The Basics, Two Types, and a Few Examples
In this post we take a deep dive into Elasticsearch, including the basics as well as some different field types, replete with examples to help get you going with both static and dynamic mappings!
November 21, 2016
by Daniel Berman
· 42,322 Views · 1 Like
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7 Tips for Writing Better Unit Tests in Java
Want to write better unit tests in Java? Look no further. From test-driven development to measuring code coverage, here are seven tips to get the job done.
November 21, 2016
by Reshma Bidikar
· 177,255 Views · 29 Likes
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Why Do Microservices Need an API Gateway?
With the growth of API-centric IT initiatives, API gateways and management layers are common place. Should we consider an API gateway for microservices?
November 20, 2016
by James Higginbotham
· 28,491 Views · 16 Likes
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RETURNING in PostgreSQL
Here's a quick overview about using the RETURNING keyword in PostgreSQL, letting you return values from after you run your insert or update statements.
November 18, 2016
by Lorna Mitchell
· 21,469 Views · 2 Likes
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Three Methods to Automatically Validate PDF Data
Want to validate data from a PDF? Sure you do. See three different ways you can handle it, each with their own benefits.
November 18, 2016
by Bipin Patwardhan
· 39,774 Views · 8 Likes
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Tracing in Microservices With Spring Cloud Sleuth
Follow along to gain some insight into tracing requests that span multiple microservices in the Spring Cloud ecosystem.
November 18, 2016
by Ryan Baxter
· 110,466 Views · 21 Likes
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Tuning the DataStax Java Driver for Cassandra
Learn how to tune Cassandra from the application side with the helping hand of DataStax.
November 17, 2016
by Nenad Bozic
· 17,398 Views · 4 Likes
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Install PHP Composer via SSH for Dependencies Management of Your Cloud App
In this post we take a look at how to install the popular PHP dependency management tool, Composer, via SSH to help with our cloud-based PHP applications.
November 17, 2016
by Tetiana Markova
· 10,612 Views · 1 Like
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Search Engines vs Recommendation Engines and The Impact of Deep Learning
Read on to understand how they differ and why this could change with the advent of deep learning, machine learning, and Artificial Intelligence.
November 16, 2016
by Vanessa Meyer
· 12,104 Views · 6 Likes
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How to Build Microservices in Python
In this article, learn how to deploy microservices that are created using either Python and Django on both Nginx and uWSGI.
November 15, 2016
by Rakesh Kalidindi
· 28,003 Views · 6 Likes
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Discussing Execute(SQL) At LinkedServer
Dealing with remote severs and heterogeneous data sources? See how you can link your servers and execute your SQL on them.
November 14, 2016
by Prashanth Jayaram
· 8,659 Views
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