Data Modeling Techniques for Data Warehousing phần 2 docx

Data modeling techniques for data warehousing

... models will not do.Chapter 2. Data Warehousing 7 8 Data Modeling Techniques for Data Warehousing 22 Data Modeling Techniques for Data Warehousing Tables 1. Dimensions, Measures, and Related ... xii Data Modeling Techniques for Data Warehousing Chapter 9, “Selecting a Modeling Tool” on page 155, an overview of thefunctions that a data modeling tool, or suite of tools, must support for ... the importance of data granularity, or level of detailof the data. Chapter 6, Data Modeling for a Data Warehouse” on page 35 presents thebasics of data modeling for the data warehouse. Two...

English Grammar for ESL Learners phần 2 docx

... can spend the night here.He They exercise 5 -2 20 Practice Makes Perfect: English Grammar for ESL Learners 02 (017-043) Unit 5 11/3/04 1:41 PM Page 20 Subject Pronoun Direct or Indirect Object ... the roses.8. There are gifts for you.9. Can you hear the babies crying?10. Do you have brothers or sisters?8 Practice Makes Perfect: English Grammar for ESL Learners 01 (001-016) Units 1-4 ... a box of candy. 8. It costs twenty dollars. exercise 4-3exercise 4 -2 14 Practice Makes Perfect: English Grammar for ESL Learners 01 (001-016) Units 1-4 11/3/04 1:41 PM Page 14 9. The boys...

Energy Options for the Future phần 2 docx

... for electricity pro-duction, 92% of 1.1 billion tons in the U.S. in 20 02 and a projected 94% of 1.6 billion tons in 20 25.gFig. 6.7 3Energy Options for the Future production peaks before 20 30, ... technology.In the U.S., 22 .8 Tcf was used in 20 02, 32% inindustry and 24 % for electricity production. The DOE-EIA predicts a usage of 31.4 Tcf in 20 25 with33% in industry and 27 % for electricity. ... the reference case, with the mean USGS data, the Rest of the World (ROW) conventional oilgFig. 14.Fig. 15. The average growth of oil use in the world is 1.9%/yr.8 1Energy Options for the Future ...

3D in Photoshop The Ultimate Guide for Creative Professionals PHẦN 2 docx

... in the Preferences for 3D settings.FIG 2. 5 Image on the left has a hard shadow casting on the ground plane compared to the image on the right with a soft shadow.| 3D in Photoshop 22 2. 3. Other ... place any painted detail into the right corresponding place in the 2D texture. It may be necessary to start witha little painting in 3D before attempting to paint directly into the 2D image sothat ... anddiamond 2. 4. See Table 2. 1 for more common refraction indexes.TABLE 2. 1 Refractive Index for common materials. You can find the setting for this in the 3D Materials Panel (at the bottom of the panel).Rendering:...

User Interface Design for Mere Mortals PHẦN 2 docx

... them.Therefore,when you design a user interface, you have to understand how the interface works in the operating system for which you’re designing it. Ifyou’re going to write a software interface for ... stockwent up for sale in 1996. What’s more, the user interface for Netscape set thestandard for Web browser design that is still largely in use today.Internet Explorer and Its Impact on Design Microsoft ... distribution.The History of Web Design Web design has had a significant effect on the design of user interfaces, inlarge part because many computer users access the Web. Therefore, the Webis one effective...

Data Modeling Techniques for Data Warehousing phần 1 ppsx

... by6 Data Modeling Techniques for Data Warehousing viii Data Modeling Techniques for Data Warehousing calling a totally new approach to data modeling. It is called dimensional data modeling, ... . . 15 08.4.4.5 Selecting a Data Warehouse Modeling Approach 15 1Considerations for ER Modeling 15 2Considerations for Dimensional Modeling 15 2Two-Tiered Data Modeling 15 2Dimensional Modeling ... 79Chapter 8. Data Warehouse Modeling Techniques 81 8 .1 Data Warehouse Modeling and OLTP Database Modeling 81 8 .1. 1 Origin of the Modeling Differences 828 .1. 2 Base Properties of a Data Warehouse...

Data Modeling Techniques for Data Warehousing phần 2 docx

... assigned to the modeling task rather thanperforming their standard business duties.Chapter 5. Architecting the Data 27 22 Data Modeling Techniques for Data Warehousing 4 .2. 3 A Combined ApproachAs ... maintain historical data while reconciling the data. Thus, we can sayreconciled data is a special type of derived data. 24 Data Modeling Techniques for Data Warehousing 4 .2. 1 Top Down ImplementationA ... need for more global data access across theorganization, return-on-investment requirements, and speed of implementation.18 Data Modeling Techniques for Data Warehousing 14 Data Modeling Techniques...

Data Modeling Techniques for Data Warehousing phần 3 potx

... key.Chapter 6. Data Modeling for a Data Warehouse 37 Chapter 6. Data Modeling for a Data WarehouseThis chapter provides you with a basic understanding of data modeling, specifically for the purpose ... dimension table as a46 Data Modeling Techniques for Data Warehousing 6 .3 ER Modeling A prerequisite for reading this book is a basic knowledge of ER modeling. Therefore we do not focus on ... storage space.28 Data Modeling Techniques for Data Warehousing multidimensional modeling, data granularity modeling, and the capabilities of aparticular DBMS to support data warehousing. 5.4.2...

Data Modeling Techniques for Data Warehousing phần 4 pdf

... with the execution of the data warehousing processes.50 Data Modeling Techniques for Data Warehousing Figure 24. Dimensions of CelDial Required for the Case Study7 .4. 2.3 Creating FactsTogether, ... Fact 2 and Fact 362 Data Modeling Techniques for Data Warehousing For a discussion on selection of a modeling technique, refer to Chapter 8, Data Warehouse Modeling Techniques on page 81. ... developed data marts. Second, analyzing relationships in the source data can identifyareas on which to focus your data warehouse development efforts.52 Data Modeling Techniques for Data Warehousing...

Data Modeling Techniques for Data Warehousing phần 5 ppsx

... simply adding moremetadata.72 Data Modeling Techniques for Data Warehousing 8.2 Principal Data Warehouse Modeling Techniques Listed below are the principal modeling techniques (beyond what ... to data warehouse modeling. 8.1 Data Warehouse Modeling and OLTP Database Modeling Before studying data warehouse modeling techniques, it is worthwhileinvestigating the differences between data ... of monitoring efforts in thepost-implementation environment.76 Data Modeling Techniques for Data Warehousing Figure 34. The Complete Metadata Diagram for the Data Warehouse7 .5. 6 Validating...

Data Modeling Techniques for Data Warehousing phần 6 pot

... orfind a solution for their problems as well as on the type of data warehouse application that is being considered for the modeling project.94 Data Modeling Techniques for Data Warehousing Figure ... clearly. The user should be informed,through the business metadata, which sets of determinant dimension keys areavailable for each fact.108 Data Modeling Techniques for Data Warehousing Figure 43. ... therefore not lastvery long. As a general guideline, we recommend performing business-relatedrequirements analysis and initial dimensional modeling. 104 Data Modeling Techniques for Data Warehousing...

Data Modeling Techniques for Data Warehousing phần 7 ppsx

... source data item. You may also have to deal withcomplex derivation formulas, involving several source data items, functional112 Data Modeling Techniques for Data Warehousing Figure 72 . The ... page 115.114 Data Modeling Techniques for Data Warehousing The Time Dimension:Because a data warehouse is an integrated collection ofhistorical data, the ability to analyze data from a time ... primecopy of the source data items required for the dimensional model.116 Data Modeling Techniques for Data Warehousing an initial model for the Inventory fact for our presumed extension of the primitiveCelDial...

Data Modeling Techniques for Data Warehousing phần 8 pot

... attributes.Chapter 8. Data Warehouse Modeling Techniques 145 temporal modeling for producing the historical data model for the data warehouse. Successful data warehouse modeling requires that the techniques be ... such modeling techniques may turn out to be required for a particular project,complexity for end users can be reduced by building a front-end data model for 150 Data Modeling Techniques for Data ... isavailable for the dimension. In general though, both situations boil down to usingstandard temporal modeling techniques. 1 38 Data Modeling Techniques for Data Warehousing particular object in the database....

Data Modeling Techniques for Data Warehousing phần 9 pot

... the complete databaseor incrementally generate parts of the database.156 Data Modeling Techniques for Data Warehousing 9. 6 ReportingReporting is an important function of the data modeling tool ... Figure 92 . Subset of CelDial Corporate ER Model168 Data Modeling Techniques for Data Warehousing Information Engineering, and Zachman notation. An efficient and effective data modeling tool ... X160 Data Modeling Techniques for Data Warehousing Figure 94 . Dimensional Model for CelDial Product InventoryA.6 CelDial Metadata - Proposed SolutionNo model is complete without its metadata....

Data Modeling Techniques for Data Warehousing phần 10 docx

... 147transform 161triggers 160two-tiered data modeling 91, 152Vvolatility class 146WWSDDM 25Index 197 194 Data Modeling Techniques for Data Warehousing SG24-2238-00Printed in the U.S.A. Data ... apply)(+45) 4 810- 1320 - Danish(+45) 4 810- 1420 - Dutch(+45) 4 810- 1540 - English(+45) 4 810- 1670 - Finnish(+45) 4 810- 1220 - French(+45) 4 810- 1020 - German(+45) 4 810- 1620 - Italian(+45) 4 810- 1270 ... charge)190 Data Modeling Techniques for Data Warehousing Erickson, C. G., “Multidimensionalism and the Data Warehouse,” The Data Warehouse Conference, February 1995.Foley, J., and B. DePompa, “Data...

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