What is Hadoop?
Apache Hadoop is an open source software framework used to develop data processing applications which are executed in a distributed computing environment.
Applications built using HADOOP are run on large data sets distributed across clusters of commodity computers. Commodity comput……
What is Data Warehouse?
A Data Warehouse collects and manages data from varied sources to provide meaningful business insights.
It is a collection of data which is separate from the operational systems and supports the decision making of the company. In Data Warehouse data is stored from a histori……
Lately, we have been dealing with some new interesting conditions and requirements that involve data lake security. It’s an apparently simple concept. But break it into its two sub-concepts and you would quickly notice plenty of complexity and detail within these three words.
On the one hand……
ETL comes from Data Warehousing and stands for Extract-Transform-Load. ETL covers a process of how the data are loaded from the source system to the data warehouse. Currently, the ETL encompasses a cleaning step as a separate step. The sequence is then Extract-Clean-Transform-Load. Let us briefly ……
Many organizations are increasingly turning to ELT(Extract, Load, and Transform) tools to address the volume, variety, and velocity of big data sources, which often strain conventional Extract, Transform and Load (ETL) tools designed for internal, relational data warehousing.
ELT vs ETL: What’s t……
What is Data Modelling?
Data modeling is the process of creating a data model for the data to be stored in a Database. This data model is a conceptual representation of
Data objects
The associations between different data objects
The rules.
Data modeling helps in the visual representation of dat……
Five Signs Your Cache-Based Database Architecture May Be Obsolete
Srini Srinivasan
(Visual Generation/Shutterstock)
The digital economy comprises business moments, critical fractions of seconds when lightning-fast chain reactions take place that transform data into insights and turn opportun……
