Storage System - Class 3

- It is important in storing data to know how it will be accessed.

- structured data is used data warehouse.

- unstructured data is used data lake or data store.

- Relational Database has schema defined before data storage

- Data Warehouse is created by some technology DBMS - Database Management System or (SGBD in Portuguese).

- NoSQL Database cannot be unstructured data.

- Data Warehouse - stores a large amount of data from different sources.

- The goal is to feed business intelligence (The goal: Alimentar).

- DW Benefits: Better Business Analytics, Faster Queries, Data Quality Improvements, Historical View.

- Data Lake Benefits: Raw Format Storage, Real-time Data Import.

- Data Store Benefits: Flexibility.

	Created by Richard Xavier over 4 years ago

FIRST CHAPTER BIG DATA