Answer:
1. In this Big data Storage, data is coming from multiple sources that may be electronics sensors, internet, or devices. The data can be of multiple data types. While in data ware house of data storage, data is only coming from different database from same or different websites. The data type of all data is same.
2. In Big data storage the data is used for decision making for different devices. The major role of this data is involved in IOT. The newly coming data is compared with the upcoming new data and help in decision making of device. On the other hand the data in ware house used to generate different reports that may use to analyze the information from data of different product products or companies.
3. Both of the systems are complementary, as Big data storage is used to analyze and compare the data to make decisions while data ware house is used to store the data only.