Business Intelligence roadmap chapter 8 Database design

Slides prepared by: Roya Hosseini

Professor: Dr. Ahmad AbdollahzadehAmirkabir University of Technology, Computer Engineering and Information Technology Department Intelligent Systems LaboratoryAutumn 2009Business Intelligence roadmapchapter 8Database design

:

. ( BI) back up

2Roya Hosseini CEIT - Business Intelligence CH8 Database Design

drill down ad-hoc

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BI ()

4Roya Hosseini CEIT - Business Intelligence CH8 Database Design (performance)

performance requirement)) ... (B-tree, hash, inverted file, sparse, binary)

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DBMS DBMS BI DBMS DBMS DBMS

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BI BI

7Roya Hosseini CEIT - Business Intelligence CH8 Database Design BI slice dice . .

: (conventional way) SQL . slice dice .

8Roya Hosseini CEIT - Business Intelligence CH8 Database Design BI9 BI (: ) . (: ). . . . . denormalize . . . . . . .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design BI10

Roya Hosseini CEIT - Business Intelligence CH8 Database Design BI11 BI : BI ( ) BI . BI . .

BI : . BI . BI .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 12 BI .

.

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 13 . :

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 14 Fact . Fact Dimension . Dimension Business object . Fact table . Dimension table . : Fact table Dimension table

Roya Hosseini CEIT - Business Intelligence CH8 Database Design Fact15 Business event ( ) Business event . . . . :

.

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 16 business object . . . . .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 17 BI . :

. . DBMS . .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 18 .

: . .: Join . .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 19 DBMS .Dataset . : . mainframe . I/O interleaved . . .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 20 . . null . . . . Hash B-tree Inverted file Sparse Binary .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 21 dataset . dataset . full/incremental backup . query .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 22 : . (aggregation) BI BI

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 23 : . ERD . BI: dataset (partitioning) . : SQL DBMS ... . : SQL ... . BI

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 24 :Application Lead Developer: query .Data administrator: . :Database Administrator . platform .ETL Developer: ETL . ETL .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 25Engine DBMS . . . engine DBMS . BI .

Roya Hosseini CEIT - Business Intelligence CH8 Database Design 26The End

Roya Hosseini CEIT - Business Intelligence CH8 Database Design