the DATABASE helps to perform the fundamental operation of business:
- keep customer records
- product records
- transactions,
- patient profile records
- patient DNA samples,
- ...
Where do you store a petabyte of data for
business intelligence? A data warehouse,
that’s where. Data spans for 2+ years...
At its core, a Data Warehouse is a
centralized, read-optimized system designed
specifically for querying, reporting, and
analytics. It’s where your business data
goes after it’s been cleaned, structured,
and denormalized for performance.
Unlike operational databases that are built
for transactions — fast inserts, updates,
deletes — a warehouse is built for OLAP (online
analytical processing): aggregations, joins,
historical trends, and slow-but-heavy queries.
Data warehousing (DW) is a technique
of gathering and analyzing data from
many sources to get valuable business
insights. Typically, a data warehouse
integrates and analyzes business data
from many sources.
The data warehouse is the basis of
the business intelligence (BI) system,
which can analyze and report on data.
Derive insights from data by
building analytical, managerial
and baseline technical skills.
- This repository is a place for Data Warehousing course at the Department of Information Systems & Analytics, Santa Clara University.