1. B GIO DC V O TO TRNG H NGOI NG TIN HC TP.HCM KHOA CNG NGH THNG TIN BO CO THC TP TT NGHIP C NHN CNTT TM HIU K THUT PHN TCH D LIU TRC TUYN V NG DNG TRONG H THNG QUN L BN HNG GING VIN HNG DN: Th.S NGUYN PHC I SINH VIN THC HIN: LAI I KIT L HONG PHNG NAM

2. Ni dung trnh by Phn 1 :Gii thiu OLAP nh ngha OLAP Nguyn tc v c trng Codd V sao s dng OLAP Cc thnh phn ca OLAP Cc loi m hnh d liu a chiu ca OLAP Phn 2 : Xy dng h thng bn hng. Phn 3 : Demo 3. Gii thiu OLAP Phn 1: 4. nh ngha OLAP OLAP l t vit tt ca On-Line Analytical Processing (phn tch trc tuyn) khc vi OLTP On- Line Transactional Processing (giao dch trc tuyn). OLAP thng c nh ngha bao gm cc c im a chiu, hi p nhanh, c din t nh 1 s hnh khi. Cc ng dng ca OLAP khc vi cc ng dng ca OLTP ch lu tr d liu, cch thc phn tch d liu v cch hin th d liu cho ngi dng. OLAP cho php tr li cc cu hi phc tp hn trong lnh vc kinh doanh. 5. Nguyn tc v c trng Codd Edgar F. Codd (1923-2003) 6. Cc c trng c bn Th hin mc quan nim a chiu Multidimensional Conceptual View. Tng tc d liu trc quan Intuitive Data Manipulation. Tnh lin kt vi OLAP l trung gian Accessibility: OLAP as a Mediator Trch xut thng tin tng phn v dn gii Batch Extraction vs Interpretive. M hnh phn tch OLAP OLAP Analysis Models Kin trc Client/Server Client/Server Architecture. Trong sut d liu Transparency H tr a ngi dng Multi-User Support 7. Cc c trng c bit X l d liu cha chun ho Treatment of Non- Normalized Data.z Lu tr kt qu OLAP c lp vi d liu ngun Storing OLAP Results: Keeping them Separate from Source Data Trch xut gi tr khuyt Extraction of Missing Values. X l gi tr khuyt Treatment of Missing Values. 8. Cc c trng bo co Bo co linh hot Flexible Reporting Hin th bo co ng b - Uniform Reporting Performance T ng iu chnh tng vt l Automatic Adjustment of Physical Level. Cc c trng a chiu: Khng gii hn chiu v kt hp cc tng Unlimited Dimensions & Aggregation Levels Khng hn ch cc hot ng ni nhiu chiu Unrestricted Cross-dimensional Operations. 9. Ti sao s dng OLAP Nhu cu thc t Tng lu tr d liu D liu so vi thng tin B tr d liu 10. Cc thnh phn ca OLAP 11. Cc thnh phn ca OLAP Khi d liu Cube 12. Cc thnh phn ca OLAP Bng s kin FACT TABLE Chiu DIMENSION 13. Cc thnh phn ca OLAP o MEASURE Cc n v o ca khi l cc ct trong bng Fact. Cc n v o lng xc nh nhng gi tr s t bng Fact m c tng hp phn tch nh nh gi, tr gi, hoc s lng bn. 14. Cc m hnh x l a chiu OLAP M hnh Multidimensional OLAP(MOLAP) 15. Cc m hnh x l a chiu OLAP M hnh Relational OLAP (ROLAP) 16. Cc m hnh x l a chiu OLAP M hnh Hybird OLAP (HOLAP) 17. Phn 2: NG DNG OLAP VO H THNG BN HNG 18. Ni dung Pht biu bi ton S Usecase M hnh c s d liu OLTP M hnh c s d liu OLAP 19. Pht biu bi ton S dng c s d liu ca cng ty Adventure Work. Chng trnh rt trch t c s d liu c sn. 20. S Usecase Bao cao doanh thu giua cac doanh thu cua hang Bao cao doanh thu cua hang Bao cao doanh thu ban hang qua mang Bao cao cong viec giua cac nhan viec NQL 21. M hnh c s d liu OLTP 22. M hnh c s d liu OLAP 23. Kt lun Hiu c tng quan v h thng phn tch d liu trc tuyn OLAP Thy c s khc bit v c s d liu OLAP v c s d liu truyn thng. Bit c im mnh ca c s d liu OLAP trong vic x l phn tch v tng hp d liu. Kt qu t c Phn nghin cu 24. Kt lun Kt qu t c Phn ng dng Xy dng c ng dng gip cho nh qun l xem c bo co tng hp kinh doanh. Vn dng c cc kh nng h tr ca OLAP trong vic phn tch tnh hnh kinh doanh ca cng ty. To c cc mu bo co theo mun, ty vo mc ch v yu cu phn tch ca ngi qun l m khng i hi ph thuc nghip v. 25. Kt lun Chng trnh ti giao din chm, dn n hiu lm tc truy xut ca d liu. Cha th hin ht nhng kh nng ca OLAP. Cha s dng kh nng tnh ton (calculate) ca OLAP to cc bo co c kh nng tnh ton xc sut, thng k. Hn ch 26. Phn 3 DEMO