These are different concepts.
Data Lake – Collect data from various sources in a central place. The data are stored in the original form. Big data technologies are used and thus the typical data storage is Hadoop HDFS. 136 more words
Enterprise Data Warehousing (EDW) has been a mainstay of many major corporations for the last 20 years. However, with the tremendous growth of data (doubling every two years), the enterprise data warehouses are exceeding their capacity too quickly. 323 more words
There is a new way to think about data warehouse architecture. The Gartner Group calls it a logical data warehouse and it uses database federation to dynamically integrate a universe of data warehouses, operational data stores, and data marts into a single, united, structure. 573 more words