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α ޴

!  å


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    <> /<ؼ> ׸ | Ͽ콺
 󼼺
˱    𵨸


˱ 𵨸

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2024-09-13
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å α׷ ġ ȵǽó?å α׷  ġ
 Ұ
 Ұ
ټ

 Ұ

о , 𵨸
ͺ̽ ϱ ּ ,
Ʈ 𵨸 ְ м
𵨸(Dimensional Modeling) ٽ, 𵨸 ʷ ٷ å!


å ûϴ ó ڰ 𵨸 ̰ ֵ ÷ Ͽ. 丮 Ͽ, 忡 ִ ִ å ǵ ￴. Ư 𵨸 Թ н Ͽ ⺻ ٽ ִ ϰ ϴ ߴ. ׷ å Թ ߽ å ÿ, Ȱ뼺 Ͽ츦 ƿ﷯ ϴ ǿ뼭ε ӻ ũ.

, 𵨸 ͺ̽ (, )   ͺ̽ 𵨸 εǾ ִ Ͱ ޸, å ͺ̽ ͿϿ콺 𵨸 ̷а Ҿ õ 𵨸 å̴.

ڼҰ

Ͽ콺 𵨸 ŰƮ. IT 1μ ݼ IT ̴. ȭ Ʈ Ͽ, 濵ý 𵨸 ý Űó 迡 ַϿ. Ʈ Ͽ콺 C α׷ MIS Ű ϸ Ʈ а п õϿ, ZSDS Z 4 ǥȸý ׷ ý۰ ý Ʈ Ͽ. Z ϸ ڷḦ ȭϿ ͺ̽ Ͽ, (seri.org) ߰ Ī ֵϿ. 鼼λ Ƿ ٰ ȭ ô뿡 ູ Ѵٴ ſ ۾ ϸ鼭 ˱  ø Ƴ ̴.

ѷα l ͺ̽ 踦 ̷ , ׸ ȭ

1 𵨸 ⺻ / ⽺ ϰ

𵨸 ?
𵨸 ù ° ǹ̸ ϴ ִ
Ÿʹ ?
𵨸 ǥȭ, ׸ Ÿ

2 ǥȭ / ǹ ö

ǥȭ ǹ Ȯ ǻ뿡 ִ
ǥȭ (ǥ)
ý ǥȭ vs ű ý ǥȭ
ǥȭ ־ ̽
Case Study: K ӻ ǥȭ
* ù ° Ϳ

3 / 𵨸

𵨸 , 迡 Ͽ
, ü ͸ Ѵ ϱ
PK, ϴ Ű
FK, θ ̴
𵨸 ԡ 𵨸ϴ
* ° Ϳ
Case Study: N R&D
Case Study: IRIS R&D
Case Study: D ȹ
* ° Ϳ

4 Ͽ콺 𵨸 / ٸ 𵨸ΰ

𵨸 Ͽ콺 𵨸,  ٸ
Ͽ콺, Ÿ
Ͽ콺 Űó , ȥ ʱ
𵨸, ܼ ö
𵨸 Ž(1): Ÿ Ű, OLAP ť
𵨸 Ž(2): Fact, Fact ̺
𵨸 Ž(3): Dimension, Dimension ̺
𵨸 Ž(): Ÿ Ű/Fact/Dimension
* ° Ϳ
𵨸
̺긮, Űó
Base Fact, Ͽ콺
𵨸 ũ
* Ϳ
Case Study: S BZ Ͽ콺
Case Study: DW 𵨸 & ETL

ʷα l 𵨸 ߸ ȭ

ټ

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  • 8
  • 6
  • 4
  • 2

(ѱ 40̳)
侲
Ʈ
 ۼ ۼ õ

ϵ ϴ.