November 2014
Beginner to intermediate
326 pages
7h 4m
English
Content preview from Learning Hbase
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Comparing functional differences between RDBMs and HBase
Lately, we are hearing about NoSQL databases such as HBase, so let's just understand what actually HBase has and lacks in comparison to conventional relational databases that have existed for so long now. The following table differentiates it well:
|
Relational database |
HBase |
|---|---|
|
This supports scale up. In other words, when more disk and memory processing power is needed, we need to upgrade it to a more powerful server. |
This supports scale out. In other words, when more disk and memory processing power is needed, we need not upgrade the server. However, we need to add new servers to the cluster. |
|
This uses SQL queries for reading records from tables. |
This uses APIs and MapReduce for accessing ... |
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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