Data Warehouse Architecture
Architecture of data warehousing
Data Mining &
Data mining automates the process of locating and
extracting the hidden patterns and knowledge
In simple words
Searching for new knowledge
Why we need data mining
Data explosion problem
What is data mining?
DATA MINING is the process of analyzing
summarizing it into useful information that can
be used to increase revenue, cuts costs, or both.
Data mining software is one of a number of
Data Warehousing and OLAP
Technology for Data Mining
What is a data warehouse?
A multi-dimensional data model
Data warehouse architecture
Data warehouse implementation
Further development of data cube technology
Introduction to relational
What are relational
A relational database stores all its data inside
tables, and nothing more.
All operations on data are done on the tables
themselves or produces another tables as the
You never s
We Are Learning Today
To recognize what a
is and identify
where one might be used in and out of school.
To reconize the meaning of key database terms
such as Table, Record, Field, Form, Report and
To understand what queryin
1 Data Pre-processing
1.1 k-mers extraction
Assume Ka = (a1,a2.ak) is a k-mer of continuous sequence of length k, and a = 1, S, where S
is the cumulative number of k-mers in that series. In the case of a sequence of length L, we
have L k + 1 t
Are raw uninterrupted facts
that are without meaning.
Meaningful; derived out of
extracting meaning from data.
Information from data differs.
An organized collection of related
Size of database is determined not on
Why do businesses have trouble finding the
information they need in their information
How does a DBMS improve the organization of
What are the managerial requirements of a
OLAP, DATA MARTS AND WAREHOUSES, THREE-TIER ARCHITECTURE
The term OLAP stands for On-Line Analytical Processing. OLAP is a technology used to process
data a high performance level for analysis and shared in a multidimensional cube of
TRADITIONAL DATA FILE
DATABASE APPROACH TO DATA
1. ORGANIZATIONAL OBSTACLES:
Challenges existing power structure