1. 201002457 Dongseob Yun
201002484 Hanwool Lee
SQL-on-Hadoop
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2. Data Base
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3. 01
Database is an organized collection of data.
What is DataBase?
3Reference
http://en.wikipedia.org/wiki/Database
DataBases Characteristics
• Real time accessibility
• Change continually
• Sharing at the same time
• Reference to data

4. 01 What is DataBase?
DB
Table1
Data
Data
Table2 Data
Relational model
Oracle, DB2, Sybase ASE, CUBRID and SQL
4Reference
http://en.wikipedia.org/wiki/Database_model

5. 02 Structured Query Language (SQL)
Control for relational model DB.
5Reference
http://en.wikipedia.org/wiki/SQL
• DDL : Data Definition Language
• DML : Data Manipulation Language
• DCL : Data Control Language

6. 02 Structured Query Language (SQL)
6Reference
Each DBMS websites
http://db-engines.com/en/ranking
Oracl
e
MyS
QL
MSS
QL
Post
greS
QL
Mon
goD
B
SQL ETC
Databases popular
Chart Top 5(2013)
33.7 29.1 27.2 5.3 4.5 61.6 38.2
0
10
20
30
40
50
60
70
Databases popular Chart
Top 5(2013)

7. SQL-on -Hadoop
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8. 01 What is SQL-on-HADOOP?
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It is a data processing system
what data? stored in Hadoop
how? by using SQL
Reference
http://www.slideshare.net/hypermin/ssa-04sql-on-hadoop20140205

9. 02 SQL-on-Hadoop
processing sequence
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SQL Engine
Hadoop System
Divided
Query
Reference
http://www.jaso.co.kr/480
Hadoop
Cluster
Hadoop
Cluster
Hadoop
Cluster
Hadoop
Cluster

10. 03 Why SQL-on-Hadoop?
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Reference
http://www.slideshare.net/hypermin/ssa-04sql-on-hadoop20140205
SQL-on-Hadoop
Hadoop MapReduce
Vs
New Learning
Already Learned
A few References
A lot of References

11. Thank You!
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