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EDW Readiness Checklist for adding new Data Sources

Jul 25, 2019 6:17:28 AM / by Anand.K posted in Blog, Enterprise Data Warehouse, mapping, Data types, DIM table, ETL jobs, Fact table, Range, Source Data, Source System, Storage, Target Data, Target System, upstream and downstream applications

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Overview

It is common practice to make changes to the underlying systems either to correct problems or to provide support for new features that are needed by the business.  Changes can be in the form of adding a new source system to your existing Enterprise Data Warehouse (EDW).

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Can Big Data replace an EDW?

Jul 23, 2019 10:02:06 AM / by Anand.K posted in Big Data, Blog, Cassandra, Data Lake, Data Staging, ELT, Enterprise Data Warehouse, ETL, Hadoop, Hive, Hybrid model, NoSQL, OLTP, RDBMS, Data Archiving, Data Cluster

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Overview

Data Warehousing has been the buzzword for the past two or three decades and big data is the new trend in technology. A question that often arises in our mind is, “Are they similar and will Big Data replace a Data Warehouse”, the reason being, both have similarities like holding data, used for reporting purposes and managed by electronic storage devices.  There is an underlying difference between the two, namely; Big Data Solution is a technology whereas Data Warehousing is an architectural concept in data computing.

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