Tag: Database
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Importance of Primary Key
I have been working with relational database, NoSQL database and Hadoop HBase for years mainly for storing data for analysis. There is a fundamental problem for people still overlooking the importance of primary key in a table. In this article, I would like to go through the detailed information about primary key such as: definition,…
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Start your Data Analytics without Big Investment
Many small business owners would not start their first data analytics project due to price tag of Enterprise software like several hundred US dollar annual subscription for just data visualization of 1 user. For the investment, it could be US$100,000 to 400,000 for just payment on software. It is possible for organization to work…