oracle olap

OLAP Oracle

Oracle CIS

Excel?

SQL> select t.empno,t.ename,t.sal,t.comm, sal+nvl(comm,0) summfrom emp t;

EMPNO ENAME SAL COMM SUMM

----- ---------- --------- --------- ----------

7369 SMITH 800,00 800

7499 ALLEN 1600,00 300,00 19007499 ALLEN 1600,00 300,00 1900

7521 WARD 1250,00 500,00 1750

7566 JONES 2975,00 2975

7654 MARTIN 1250,00 1400,00 2650

7698 BLAKE 2850,00 2850

7782 CLARK 2450,00 2450

7788 SCOTT 3000,00 3000

7839 KING 5000,00 5000

7844 TURNER 1500,00 0,00 1500

7876 ADAMS 1100,00 1100

select

(select sal from emp where empno=7499)

-

(select sal from emp from emp where empno=7521) diff

from dual;

DIFF

-----

350

Oracle OLAP DMLRPR hr_cube_sal(emp_id '7499')- hr_cube_sal(emp_id '7521)

( Excel- B10=A5-A6)

TIME SAL

---------- ---------

JAN10 350,00

FEB10 350,00

MAR10 450,00

OLAP DML SQL , 2009 100 000 -

Select p.prod_name, g.geog_name, t.time_name, f.sales

from fact f, proddim p, geogdim g, timedim twhere f.prod_id = p.prod_id and f.geog_id =

g.geog_idand t.time_id = f.time_id and g.geog_id = NW'

SQL

limit geography to NW'limit time to 'OCT2009'limit product to dollars gt 100000

OLAP DML

and t.time_id = f.time_id and g.geog_id = NW'and t.time_id = 'OCT2009' and sales > 100000

SQL Model

MODEL , .. ,

SELECT * FROMsales s

MODELDIMENSION BY (Product,Version)

MEASURES (units,price,sale)RULES UPSERT(sale['Total','Total'] = SUM(sale)[ANY,ANY])

OLAP

C OLAP

(M)OLAP Oracle

Oracle Express Server , , , OFA

Oracle OLAP option Oracle, Express Server Oracle, Express Server

Oracle Hyperion Essbase Hyperion

Oracle OLAP(OLAP option)(OLAP option)

Oracle OLAP (1/2) 1967 Leonard M. Lodish John D.C. Little

Management Decision Systems (MDS) 1977 Software Development Laboratories (SDL), Oracle. Larry Ellison, Bob Miner Ed Oates.

1979 Oracle Version 2 (RDBMS) 1983 MDS Express C 1983 MDS Express C

AED. 1985 Information Resources, Inc. (IRI)

MDS. Express C 1993 E.F. Codd OLAP E.F.

Codd, S.B. Codd C.T. Salley Providing OLAP to User-Analysts: An IT Mandate 12 OLAP

Oracle OLAP (2/2) 1995 Oracle Express IRI 1998-2000 Oracle Express 90

Express Oracle 2002 Oracle 9.2.0 Express Oracle

OLAP option 2004 10.1.0 OLAP SQL

2004 10.1.0 OLAP option 2004 10.1.0 OLAP option

2005 10.2.0 2007 Oracle Database 11g 2007 Oracle Hyperion 2007 11.1 OLAP option query

rewrite .

Oracle OLAP?

,

Oracle (MOLAP)

Oracle Express Server

..

(Analytical Workspaces)

Oracle OLAP Oracle

Oracle Database 11g

OLAP ,

, Parent- , Parent-Child

,

OLAP

SQL

.

VP Admin VP

President

- (parent-child)

Director

VP Admin

Analyst

Senior Director

VP

Director

Admin

Analytic Workspace Manager

Enterprise Manager OLAP AWM

26

budget_cube.variance = actual_cube.actual[geography TOTAL] budget_cube.budget

Company75

27

75

Brand40

Item10

Item30

Brand35

Item20

Item15

28

2009175

Q1165

Jan125

Feb140

Mar165

Q2145

Apr135

May120

Jun145

Q3110

Jul130

Aug155

Sep110

Q4175

Oct120

Nov165

Dec175

c

Company1,000 emp.$1,200,000

29

East750 emp.$900,000

Southeast200 emp.$240,000

Mid-Atlantic150 emp.$180,000

Northeast400 emp.$480,000

West250 emp.$300,000

Midwest75 emp.$90,000

West175 emp.$210,000

net_income = operating_income taxesoperating_income = gross_margin - (marketing +

selling_exp + r_d)gross_margin = revenue - cogs

30

gross_margin = revenue - cogs

,

31

VRB _alert NUMBERVRB _product NUMBER_product = product + 0TEMPSTAT product timeDOLIMIT product TO DESCENDANTS USING product_parentrel _productIF STATLEN(product) EQ 0THEN _alert = naELSE DOLIMIT product KEEP sales_cube_sales_ytd_pr_yr_pct LT 0AND sales_cube_sales_share_tot_pro GT .25IF STATLEN(product) GT 0THEN _alert = -1ELSE _alert = na

DOENDDOENDRETURN _alert

33

Percent Change in YTD Sales from Year Ago

Q1-04 Q2-04 Q3-04 Q4-04 Q1-05 Q2-05 Q3-05 Q4-05

Q1-04 Q1-04

Cumulative Total(or AVG, MIN, MAX)

JAN04 FEB04 MAR04 APR04 MAY04 JUN04 JUL04 AUG04 SEP04 OCT04 NOV04 DEC04 JAN05 FEB05 MAR05 APR05 MAY05 JUN05 JUL05 AUG05 SEP05 OCT05 NOV05 DEC05

SUM(sales) OVER HIERARCHY (global.time.calendar_year BETWEEN UNBOUNDED PRECEDING AND CURRENT MEMBER WITHIN ANCESTOR AT LEVEL global.time.calendar_year)

Cumulative total (sum) of Sales in the Time dimension and Calendar Year hierarchy within ancestor at level calendar year. Total from beginning member to current member.

Q1-04 Q2-04 Q3-04 Q4-04 Q1-05 Q2-05 Q3-05 Q4-05

Q1-04 Q1-04

Percent Difference From Parallel Period

JAN04 FEB04 MAR04 APR04 MAY04 JUN04 JUL04 AUG04 SEP04 OCT04 NOV04 DEC04 JAN05 FEB05 MAR05 APR05 MAY05 JUN05 JUL05 AUG05 SEP05 OCT05 NOV05 DEC05

LAG_VARIANCE_PERCENT(global.units_cube.sales,1) OVER HIERARCHY (global.time.calendar_year BY ANCESTOR AT LEVEL global.time.year POSITION FROM BEGINNING)

Percent difference from parallel period for Sales in the Time dimension and Calendar Year hierarchy 1Year ago based on position from the beginning of Year.

-

.

, , , 450

36

BusinessObjects

CognosOracle BIEE

Oracle Database 11g

View

11g Cube Fact View

DESC units_cube_view;

Name Null Type ------------------------- -------- --------------

TIME VARCHAR2(100) CHANNEL VARCHAR2(100) CUSTOMER VARCHAR2(100) PRODUCT VARCHAR2(100)UNITS NUMBER SALES NUMBER

Keys

SALES NUMBER COST NUMBERSALES_PRIOR_PERIOD NUMBERSALES_DIFF_PRIOR_PERIOD NUMBERSALES_PCT_DIFF_PRIOR_PERIOD NUMBER

Stored facts

Calculated facts

11g Cube Fact ViewSELECT time,product,customer,channel,units

FROM units_cube_viewWHERE rownum < 15;

TIME PRODUCT CUSTOMER CHANNEL UNITS--------- ------- -------- ------- ----------

TOTAL TOTAL TOTAL TOTAL 4000968CY1999 TOTAL TOTAL TOTAL 330425CY2003 TOTAL TOTAL TOTAL 534069CY2003 TOTAL TOTAL TOTAL 534069CY1998 TOTAL TOTAL TOTAL 253816CY2005 TOTAL TOTAL TOTAL 565718CY2006 TOTAL TOTAL TOTAL 584929CY2004 TOTAL TOTAL TOTAL 587419CY2000 TOTAL TOTAL TOTAL 364233CY2002 TOTAL TOTAL TOTAL 364965CY2001 TOTAL TOTAL TOTAL 415394CY2000.Q1 TOTAL TOTAL TOTAL 88484CY2001.Q2 TOTAL TOTAL TOTAL 97346CY2001.Q3 TOTAL TOTAL TOTAL 105704CY2005.Q3 TOTAL TOTAL TOTAL 138953

.

Cube ViewsExplain Plan

SELECT t.long_description time,g.long_description geography,c.long_description channel,f.sales sales

FROM time_calendar_view t,product_standard_view p,geography_regional_view g,channel_sales_channel_view c,sales_cube_view f

WHERE t.dim_key IN('CY2007','Q1CY2007','FEB2007')'FEB2007')

AND p.dim_key = 'ALL_PRODUCTS'AND g.level_name = 'REGION'AND c.dim_key = 'INTERNET'AND t.dim_key = f.TIMEAND p.dim_key = f.productAND g.dim_key = f.geographyAND c.dim_key = f.channel

ORDER BY t.end_date;

(2 GB)

3 ?

x

(30 GB)

( ( ))

( ( ))

(, )

Materialized Views

MV

-

MVEXPENSE_DETAIL EXPENSE_YDT

Year, Region

EXPENSE_MDTyear_iddistrict_idexpense_amountpotential_fraud_cost

Month, District

EXPENSE_MECmonth_idcategory_idemp_idexpense_amountpotential_fraud_cost

Month, Employee, Category

EXPENSE_YEC

Year, Employee, Category

EXPENSE_QDIqtr_iditem_iddistrict_idexpense_amountpotential_fraud_cost

Qtr, District, Item

MVday_iditem_idemp_idexpense_amountpotential_fraud_cost

year_iddistrict_idexpense_amountpotential_fraud_cost

EXPENSE_YECyear_idcategory_idemp_idexpense_amountpotential_fraud_cost

EXPENSE_YRCyear_idcategory_idregion_idexpense_amountpotential_fraud_cost

Year, Region, Category EXPENSE_XXXXXX_idXXX_idXXX_idexpense_amountpotential_fraud_cost

Org Lvl, Time Lvl, Cat Lvl

EXPENSE_XXX

XXX_idXXX_idXXX_idexpense_amountpotential_fraud_cost

EXPENSE_XXXXXX_idXXX_idXXX_idexpense_amountpotential_fraud_cost

EXPENSE_XXXXXX_idXXX_idXXX_idexpense_amountpotential_fraud_cost

EXPENSE_YRTyear_idtotal_category_idregion_idexpense_amountpotential_fraud_cost

Year, District

11g Cube-Organized Materialized Views

SQLSQL

SQL

OLAP

Cube MVCube OrganizedCube OrganizedMV MV

Tables

QueryQueryRewriteRewrite

OLAP

,

query rewrite ,

OLAP

OLAP

OLAP

, OLAP

Oracle OLAP MDX Driver (http://simba.com)

Simba MDX-OLAP Adapter

MS EXCEL Pivot Table

Simba MDX Adapter

MDX

Oracle OLAP

,

,

Oracle Client

SQL ()

OLAP 11g

MOLAP Oracle

MV

OLAP 11g BI EEOLAP 11g BI EE

OLAP Oracle OLAP ,

.

, OLAP ,

, OLAP . OLAP .

OLAP , .

Olap 10g OLAP 9i, OLAP 11g OLAP 10g

Oracle HyperionEssbaseEssbase

Hyperion Essbase

OLAP- ,

/ /

Oracle OLAP Essbase

Oracle OLAP Oracle .

Oracle Essbase Essbase Oracle OLAP Essbase ,

Essbase EPM Oracle

http://oracle.com

Email:[email protected]

:

http://www.oraclebi.ru/

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