One of the core components of the Hadoop framework and responsible for the storage aspect is HDFS. Unlike the usual storage available on our computers, HDFS is a Distributed File System and parts of a single large file can be stored on different nodes across the cluster. Here are some of the key concepts related to HDFS.
2014-03-14
4,123 reads
If we want to incorporate big data into our enterprise, it's crucial to know how to integrate it with our existing data.
2014-03-06
5,076 reads
Ask database administrators how they implement disaster recovery in their big data environments and you'll get two typical responses: DR plans are not necessary and backups take up a lot of space. Despite this reasoning, a disaster recovery plan for your big data implementation may be essential for your company's future.
2014-02-04
4,531 reads
Big data is now a standard part of information technology architecture for most large organizations. As a database administrator, with the holiday season upon us, I have the following items and notions on my holiday wish list. Here's hoping that I am gifted one or more of these; each one gives me something that I want or need.
2013-12-31
4,492 reads
Big Data implementations bring their own problems and issues, and will require database administrators and support staff to redesign the data warehouse architecture. Here's how.
2013-12-02
4,609 reads
Distributed applications are just that: distributed across one or more hardware platforms across the enterprise. The database administrator (DBA) has the unenviable task of monitoring these environments and configuring and tuning the database server to meet multiple needs. As multiple distributed applications now require access to a very large data store, what tuning options are available to help?
2013-10-31
3,024 reads
Big data is the latest craze. Hardware and software vendors have overwhelmed IT departments with high-speed analytical software, proprietary high-performance hardware, and columnar-based data stores promising quick access and lightning-fast answers to ad hoc analytical queries. Forgotten in this blast of technology are the database administrators' most important responsibilities: backup and recovery.
2013-10-01
3,853 reads
Many IT enterprises are starting pilot projects to implement big data solutions. This article highlights what you need to know to check if you're ready to support these efforts, and integrate them into your current architecture, processes, and standards.
2013-08-02
3,540 reads
Database Administrators must now deal with large volumes of data and new forms of high-speed data analysis. If your responsibility includes performance tuning, here are the areas to focus on that will become more and more important in the age of Big Data.
2013-07-02
3,463 reads
The big data revolution seems to have failed to materialise, and for good reason - it's really difficult.
2013-02-18
179 reads
By Steve Jones
I’m not sure I knew identity column values could not be updated. I ran...
By Steve Jones
We had an interesting discussion about deployments in databases and how you go forward...
By ChrisJenkins
You could be tolerating limited reporting because there isn’t an off the shelf solution...
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers