building a data warehouse
.Exam 70-463: Implementing a Data Warehouse with Microsoft SQL Server 2012 pot
Ngày tải lên :
06/03/2014, 23:20
... each of which might store data in its own database You might also have part of the sales data in one database and part in another And you could have customer data in both databases, without a ... Solutions Chapter 14 Installing and Maintaining Data Quality Services 529 Chapter 15 Implementing Master Data Services 565 Chapter 16 Managing Master Data 605 Chapter 17 Creating a Data Quality Project ... Designing and Implementing a Data Warehouse CHAPTER Data Warehouse Logical Design Chapter Implementing a Data Warehouse 41 www.it-ebooks.info www.it-ebooks.info Chapter Data Warehouse Logical Design...
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Exam 70-463: Implementing a Data Warehouse with Microsoft SQL Server 2012 pot
Ngày tải lên :
29/03/2014, 02:20
... tasks: ■■ Design an appropriate data model for a data warehouse ■■ Optimize the physical design of a data warehouse ■■ Extract data from different data sources, transform and cleanse the data, ... Master Data Services 565 Chapter 16 Managing Master Data 605 Chapter 17 Creating a Data Quality Project to Clean Data 637 87 421 Part VI Advanced SSIS and Data Quality Topics Chapter 18 SSIS and ... Warehouse CHAPTER Data Warehouse Logical Design Chapter Implementing a Data Warehouse 41 Chapter Data Warehouse Logical Design Exam objectives in this chapter: ■■ Design and Implement a Data Warehouse...
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Building the Data Warehouse Third Edition phần 1 ppt
Ngày tải lên :
08/08/2014, 21:23
... source of all departmental data While data in the data mart certainly relates to data found in the operational level or the data warehouse, the data found in the departmental /data mart environment ... known to say, “Why we need a data warehouse when we have the Internet?” But data warehousing has surpassed the database theoreticians who wanted to put all data in a single database Data warehousing ... Data Warehouse The Data Warehouse and Design 81 Beginning with Operational Data 82 Data/ Process Models and the Architected Environment 87 The Data Warehouse and Data Models 89 92 94 98 The Data...
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Building the Data Warehouse Third Edition phần 2 doc
Ngày tải lên :
08/08/2014, 22:20
... attempted when a shop has a relatively small amount of data in the data warehouse environment Exploration and Data Mining The granular data found in the data warehouse supports more than data ... to access and analyze Put another way, suppose an analyst takes 24 hours to scan and analyze a large database It may take as little as 10 minutes to scan and analyze a living sample database ... Loading data ■ ■ Accessing data ■ ■ Archiving data ■ ■ Deleting data ■ ■ Monitoring data ■ ■ Storing data Partitioning data properly allows data to grow and to be managed Not partitioning data properly...
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Building the Data Warehouse Third Edition phần 3 doc
Ngày tải lên :
08/08/2014, 22:20
... the data warehouse First, data that is used purely in the Uttama Reddy 90 CHAPTER corporate model data model data model data warehouse data model data model operational data model data warehouse ... the data warehouse it is normal to have a vast amount of archival data from to 10 years of data is common Because of the wide time horizon of archival data, the data warehouse contains a massive ... operational to the data warehouse environment is not as simple as mere extraction Uttama Reddy The Data Warehouse and Design savings same data, different name DDA different data, same name loans...
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Building the Data Warehouse Third Edition phần 4 doc
Ngày tải lên :
08/08/2014, 22:20
... to the data mart Data in the data warehouse is very granular Data in the data mart is very compact and summarized Periodically data must be moved from the data warehouse to the data mart This ... of data from the data warehouse to the data mart is analogous to the movement of data into the data warehouse from the operational legacy environment Data Marts: A Substitute for a Data Warehouse? ... DSS analyst ■ ■ Source data feeding the data warehouse ■ ■ Transformation of data as it passes into the data warehouse ■ ■ Data model ■ ■ Relationship between the data model and the data warehouse...
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Building the Data Warehouse Third Edition phần 5 pptx
Ngày tải lên :
08/08/2014, 22:20
... CHAPTER data warehouse operational meta data optional IT professional meta data mandatory DSS analyst Figure 5.9 The IT professional uses meta data on a casual basis; the DSS analyst uses meta data ... data ■ ■ 173 Relationships of one unit of data to another Several types of meta data need to be managed in the data warehouse: distributed meta data, central meta data, technical meta data, and ... the data warehouse contains the following: ■ ■ Data warehouse table structures ■ ■ Data warehouse table attribution ■ ■ Data warehouse source data (the system of record) Uttama Reddy The Data Warehouse...
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Building the Data Warehouse Third Edition phần 6 ppt
Ngày tải lên :
08/08/2014, 22:20
... site A USA local data warehouse hdqtrs site A Asia operational processing site B site A local data warehouse local data warehouse global data warehouse all DEC site A site A all Tandem local data ... local operational processing local data warehouse global data warehouse (staging area) local data warehouse global data warehouse Figure 6.11 The global data warehouse may be staged at the local ... this case, there is what can be called a local data warehouse and a global data warehouse The local data warehouse represents data and processing at a remote site, and the global data warehouse...
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Building the Data Warehouse Third Edition phần 7 docx
Ngày tải lên :
08/08/2014, 22:20
... Data and the Data Warehouse unstructured data 271 external data notification file meta data data warehouse Figure 8.4 Another nice feature of external data and meta data is the ability to create ... external data and unstructured data requires considerable resources By associating external data and unstructured data with a data warehouse, the external data and the unstructured data become available ... unstructured data are image and voice data Image data is stored as pictures; voice data is stored digitally and can be translated back into a voice format The issues of image data and voice data stem...
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Building the Data Warehouse Third Edition phần 8 ppsx
Ngày tải lên :
08/08/2014, 22:20
... data to an ERP-based data warehouse ■ ■ Move ERP data to an ERP-based data warehouse and move non-ERP data to a non-ERP–based data warehouse Uttama Reddy CHAPTER Data Warehouse Design Review ... is a need for a data warehouse The developer has several choices, of which each have advantages and disadvantages: ■ ■ Move ERP data to a non-ERP data warehouse ■ ■ Move ERP data to an ERP-based ... amounts of data Once the data warehouse is equipped with an overflow storage mechanism such as alternate/near-line storage and once the Web data passes through a Granularity Manager, the data warehouse...
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Building the Data Warehouse Third Edition phần 9 ppsx
Ngày tải lên :
08/08/2014, 22:20
... known as a cross-media storage manager 66 If the data warehouse is a global data warehouse, what data will be stored locally and what data will be stored globally? ISSUE: When a data warehouse ... data on disk storage and to place older data on alternate storage Typically, disk storage may hold two years’ worth of data, and alternate storage may hold all data that is older than two years ... data The data that is generated is at much too low a level of granularity In order to summarize and aggregate the data before entering the data warehouse, the data is passed through a Granularity...
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Building the Data Warehouse Third Edition phần 10 potx
Ngày tải lên :
08/08/2014, 22:20
... atomic (1) data stored in a data warehouse; (2) the lowest level of process analysis atomic database a database made up of primarily atomic data; a data warehouse; a DSS foundation database atomic-level ... data, 83 limiting operational data scans, 85 loading archival data, 84 current data, 85 ongoing data changes, 85 operational data, 82–83 stability analysis, 90 data warehouse level, 17 data warehouses ... the data, the quality of the data, and the actual content of the data are all at stake in this issue “OLAP and Data Warehouse. ” Lightly summarized data has always been an integral part of the data...
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TIỂU LUẬN MÔN CƠ SƠ DỮ LIỆU BUILDING SMALL DATA WAREHOUSE
Ngày tải lên :
08/07/2015, 16:05
... định d a nhu cầu cụ thể nhóm người dùng doanh nghiệp phận Có hai loại data mart: data mart độc lập(independent or stand-alone data mart) data mart phụ thuộc (dependent data mart) Data mart độc ... lượng kh a ngoại lược đồ để tiết kiệm không gian Ít Cao Làm việc tốt Tốt cho data Loại data warehouse data warhouse / data mart warehouse nhỏ / data mart Hướng dẫn xây dựng mô hình a chiều: ... truy vấn liệu công cụ trực tiếp từ data mart Những hình ảnh Stand-alone data mart điển hình 21 Data mart phụ thuộc (Dependent data mart): Theo Inmon, data mart phụ thuộc nơi mà liệu đến từ kho...
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TIỂU LUẬN MÔN CƠ SƠ DỮ LIỆU BUILDING SMALL DATA WAREHOUSE
Ngày tải lên :
08/07/2015, 16:08
... What is Data Warehouse Dimensional Modeling Data Warehouse Architecture Building Data Warehouse for Puncia What is Data Warehouse? Introdution about data warehouse A data warehouse is a ... Data Warehouse Architectures Enterprise data warehouse architecture Dimensional data warehouse architecture Federated data warehouse architecture Data Mart Enterprise data warehouse architecture ... in major objects or business processes Example of subject oriented data are customer, product, vendor and sale transaction Data Warehouse Integrated Data Warehouse — time variant Data Warehouse...
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Tài liệu Oracle - Building A Banking Customer Relationship Data Warehouse - A Case Study - White Paper (pdf) pptx
Ngày tải lên :
24/01/2014, 06:20
... Enterprise Data Warehouse Logical Data Model Finalize MIS data mart logical data model Define data Implementation Road schedules warehouse map and Paper #132 / Page Data Warehouse and Business ... presentation layer accessed the Data Warehouse, as well as, Data Marts • The Hub component (Extraction Layer) fed data to the ODS, as well as, the Data Warehouse Extraction and Transformation ... architecture all Data Marts were source ed via information stored in the Data Warehouse and ODS as required • The Data Warehouse served as a common source of validated and synchronized information and...
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OReilly.Building.a.Web.2.0.Portal.with.ASP.NET.3.5.Jan.2008-BBL
Ngày tải lên :
15/11/2012, 14:24
... entity classes, business rules, and middle-tier caching of data to reduce database roundtrips Data access layer Encapsulates database access and provides an interface that is database and data source ... Workflows Database Context Figure 2-2 Default.aspx calls DashboardFacade in the business layer for all operations, which, in turn, uses workflows that work with databases via DatabaseHelper and DatabaseContext ... a class that performs some unit task Activities use the DatabaseHelper and DashboardDataContext classes to work with the database DatabaseHelper is a class used for performing common database...
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Áp dụng Data Warehouse trong phân tích thông tin về các dịch vụ giá trị gia tăng trên điện thoại
Ngày tải lên :
23/11/2012, 15:03
... TenKhachHang Nvarchar(100) Tên khách hàng Nguyễn Văn An DiaChi_KH Nvarchar(100) Đ a Hà Nội GioiTinh Bit Giới tính Email Varchar(100) Email annv@gg.com TrangThaiKhoa Bit Bị kh a không Trong bảng Fact ... Telco_Key Int Kh a chính, tự tăng mamangvienthong Varchar(10) Mã mạng viễn thông VINA Tenmang Nvarchar(50) Tên chi tiết Vinaphone Diachi Nvarchar(50) Đ a liên hệ Hà Nội TrangThai Bit Trạng thái ... KieuQuangCao Varchar(50) Tên kiểu quảng cáo Bao KieuQuangCao_Chi Nvarchar(100) Tên chi tiết Báo – tạp chí 42 tiet TenCongTy Nvarchar(100) Đơn vị thuê đăng Báo Việt nam net diachiconty Nvarchar(100)...
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Data Warehouse
Ngày tải lên :
25/04/2013, 20:33
... Data Warehouse Database B Joe Smith Database C Smith, Joseph Mr J Smith Database D J Smith Database A bal-on-hand Database B balance Database C curr_bal Database D cash_avail balance Bt bin Dữ liệu ... hàng Data Warehouse Tiền vay Phát hành séc Trái phiếu Hoạt động Thị trường Tiết kiệm Thẻ tín dụng Tích hợp Dữ liệu đ a vào theo cách thống Các HT điều hành Database A Mr J Smith Data Warehouse Database ... suất khai thác Data Warehouse 00:00 06:00 12:00 18:00 Các kiểu Nhà kho liệu Xí nghiệp (Data Warehouse) Phòng ban (Data Mart) Phân tích (OLAP) Kết xuất thông tin Kho liệu điều hành (ODS) Warehouse...
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ORACLE DATA WAREHOUSE
Ngày tải lên :
25/04/2013, 20:33
... liệu Dữ liệu Chính xác Chính xác thực tế thực tế Chất lượng Chất lượng Lịch sử Lịch sử Data Warehouse Data Warehouse Các thành phần công nghệ giải pháp Phần cứng phần mềm hệ thống Công nghệ ... nay? Bạn biết Nhà kho liệu? Oracle Express có phải phần mềm Nhà kho liệu? Nội dung giới thiệu Mở đầu Các khái niệm Các kh a cạnh thiết kế triển khai Giải pháp Nhà kho liệu Oracle (Oracle Warehouse) ... dụng hỗ trợ định : báo cáo, OLAP, EIS Khai phá liệu Các đòi hỏi thực tế nghiệp vụ Thích nghi nhanh chóng với thay đổi Nhận thức tình hình thị trường Đáp ứng nhanh chóng yêu cầu thị trường...
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Data Warehouse Architecture and Models
Ngày tải lên :
25/04/2013, 20:33
... Measures Dimension data - Query drivers Summary data - Pre-calculated data Fact Data and Tables Many fact tables in the warehouse The bulk of the warehouse data Measures (units sold, sales ... Differentiate between an enterprise-wide data warehouse and localized data marts Recognize the difference between independent and dependent data marts Identify the data that is stored in a data warehouse ... Analyze business users’ needs Interview users Examine data needed Ascertain data availability Determine data frequency Decide the refresh cycle Types of Warehouse Data Fact data...
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