Data Replication for Enabling Operational Business Intelligence
Operational Business Intelligence (OBI) is not a new concept. Although a universally accepted definition of the term doesn't exist, most BI specialists know what it means. It's about presenting...
View ArticleTed Codd and Twelve Rules for Relational Databases
About two months ago, Pervasive Software asked me to write a whitepaper describing how well their popular PSQL database server supports Codd's twelve rules for relational databases. For those not...
View ArticleCall for Speakers: BI & DW Conference London
Are you interested in speaking at the Data Warehouse & Business Intelligence European Conference in London coming November? If you are, please fill in the call for speakers.Previous editions were...
View ArticleNoSQL: A Challenge for Data Replication
Data replication tools have been available since the 1990s. They have been used primarily to increase the availability and scalability of IT systems and their data. Nowadays, they are also used to...
View ArticleExploring and Investigating Data with CXAIR
Where a data scientist or analyst will find an answer to his quest, is not always that obvious beforehand. For example, when he is looking for the dominant factor influencing sales of particular...
View ArticleData and Reality
A message to mapmakers: highways are not painted red, rivers don't have county lines running down the middle, and you don't see contour lines on a mountain. This is how William Kent starts his book...
View ArticleAn Overlooked Difference Between SQL-on-Hadoop Engines and Classic SQL...
Lately, many SQL-on-Hadoop query engines were released, including Drill, Hawq, IBM BigSQL, Impala, and Facebook Presto. This new generation of SQL-on-Hadoop query engines can be compared with classic...
View ArticleThe Battle of the SQL-on-Hadoop Engines
This year at the Strata Conference in Santa Clara, CA it was very clear: The Battle of the SQL-on-Hadoop engines is underway. Many existing and new vendors presented their solutions at the exhibition...
View ArticleConvergence of Data Virtualization and SQL-on-Hadoop Engines
If one thing became clear to me at the Strata Conference this month was that the popularity of Hadoop is unmistakable and that SQL-on-Hadoop follows closely in its footsteps. A SQL-on-Hadoop engine...
View ArticlePredicting the Future of IT is Very Difficult
"Prediction is very difficult, especially if it's about the future." These were the famous words of Nils Bohr, Nobel laureate in Physics. I discovered how true he was when organizing a large pile of...
View ArticleVisualCue: An Alternative Way of Working with BI Dashboards
We all know and understand dashboards. Dashboards consist of visual components in the form of gauges, graphs, pie charts, bar charts, heat maps, and so on, allowing business users to get a quick...
View ArticleDrowning in Data Lakes and Data Reservoirs
First, we had the data warehouse and the data mart, now we also have the data lake, the data reservoir, and the data hub. These new architectures have all been introduced recently and have a direct...
View ArticleQueryGrid is New Data Federation Technology by Teradata
On October 20, 2104, Teradata announced significant enhancements to QueryGrid at their Partners event in Nashville, Tennessee. QueryGrid allows developers of the Teradata database engine to...
View ArticlePneuron is a Platform for Distributed Analytics
Many products are easy to categorize. It's a database server, an ETL tool, a reporting tool, and so on. But not every product. One such product is Pneuron. Initially you would say it's a jack of all...
View ArticleSnowflake is a New SQL Database Server for the Cloud
Database servers come in all sizes and shapes. In fact, so many database servers have already been developed the last fifty years, that it looks almost impossible to develop a revolutionary new one....
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