implementing a data warehouse

... Extraction process will deploy use of 3GL,Oracle PL/SQL and relational tables and PRISM product set I Source Systems Hub Data Warehouse Operational Data Store Data Marts Data Marts Data Marts Layer Pres Desktop Figure ... Operational Data Store to support data access needs associated with operational processes as required. • A dependent Data Mart architecture was selected. In this type of architecture all Data Marts ... Objectives and Purpose of Enterprise Data Warehouse Collect Enterprise Information Requirements Create Very High Level Enterprise Data Warehouse Logical Data Model Finalize MIS data mart logical data model Define...

Ngày tải lên: 24/01/2014, 06:20

... QUAN VỀ DATA WAREHOUSE Tóm lược nội dung: Nội dung chính c a chương này là trình bày tổng quan về data warehouse gồm: định ngh a, đặc tính,mô hình, kiến trúc và xu hướng tương lai c a data warehouse. 2.1 ... 2: Tổng quan về Data WareHouse Nội dung chính c a chương này là trình bày tổng quan về data warehouse gồm: định ngh a, đặc tính,mô hình, kiến trúc và xu hướng tương lai c a data warehouse. Chương ... trong cơ sở dữ liệu nguồn bao gồm : Quangcao_vitri, quangcao_Loaihinh, quangcao_Kichthuoc, Quangcao_Donvi, Quangcao_Sukien, Quangcao_Chitiet . Các bảng có mô hình quan hệ như dưới đây 43 CHƯƠNG...

Ngày tải lên: 23/11/2012, 15:03

... B Database C Database D D bal-on-hand bal-on-hand balance balance curr_bal curr_bal cash_avail cash_avail balance balance Database A Database B Database C Database D TruyÒn t¶i d÷ liÖu theo khèi, ... Warehouse Data Warehouse Mr. J. Smith Mr. J. Smith Joe Smith Joe Smith Smith, Joseph Smith, Joseph J. Smith J. Smith Mr. J. Smith Mr. J. Smith Database A Database B Database C Database D D bal-on-hand bal-on-hand balance balance curr_bal curr_bal cash_avail cash_avail balance balance Database ... hµnh hµnh Data Warehouse Data Warehouse Data Mart Data Mart Phô thuéc Phô thuéc §éc lËp Phụ thuộc thời gian Dữ liệu trong kho dữ liệu được lưu trữ một cách đặc thù trong một chu kỳ thời gian Vòng...

Ngày tải lên: 25/04/2013, 20:33

Ngày tải lên: 25/04/2013, 20:33

... 40,000 Mar 97 17,000 Types of Warehouse Data  Fact data - Measures  Dimension data - Query drivers  Summary data - Pre-calculated data Lesson 4 Data Warehouse Architecture and Models ... Summary  Enterprise data warehouses  Data marts  Independent  Dependant  Warehouse data  Data models  Models compared Objectives  Differentiate between an enterprise-wide data warehouse ... warehouse and localized data marts  Recognize the difference between independent and dependent data marts  Identify the data that is stored in a data warehouse  Explain the features of each type...

Ngày tải lên: 25/04/2013, 20:33

... xạ Source metadata Target metadata External metadata manager Internal metadata copy store Replication source definitions Replication target definitions Replication mapping definitions User interface Define ... liÖu tham kh¶o [1] – Barry Devlin – Data Warehouse from Architecture to Implementation, Addison- Wesley, 1997. [2] – Gabrielle Gagnon – Data Warehouse, An Overview, PC Magazine, February 22, ... – Deepak Gupta - Designing a Data Warehouse Application: Tips and Techniques, Oracle White Paper, Oracle Corporation, 2000. [4] – Oracle Warehouse, Unleash the Power of Information, Oracle White...

Ngày tải lên: 25/04/2013, 20:34

... điện tử (Electronic data interchange - EDI): . 43 3.4. Siêu dữ liệu trong kho dữ liệu (Metadata in the Data warehouse) 44 3.5. Danh mục kho dữ liệu (The data warehouse catalog -DWC): 44 3.6. ... gian thực nội bộ. Như trong hình 13, do đó, trao đổi dữ liệu dữ liệu điện tử có tương tác với kho dữ liệu. Hình 13: The data warehouse and external data Tìm hiểu về Data Warehouse Trang ... thể nằm ở gi a hai kiểu trên. 2.1.1.3. Phạm vi(Scope) Hình 5: Types of data and the scope of the warehouse Tìm hiểu về Data Warehouse Trang -21- - Dữ liệu tổng hợp (Summary data) được sử...

Ngày tải lên: 26/04/2013, 15:19

Ngày tải lên: 06/08/2013, 10:11

Ngày tải lên: 08/10/2013, 20:20

... sentence completions and analogies. JANINE SALAZAR MATH Take practice exam. Target weakness: algebra Review quantitative comparison strategies. Practice quadratic equa- tions and formulas. Review geometry ... Jessica. Start overall review. Continue overall review and taper all week until test day on Saturday. JANINE SALAZAR MATH Review absolute value. Review decimals and percentages. Review mean, median, and ... and suffixes. Review parts of speech (for analogy questions). Create more vocab flashcards. JANINE SALAZAR MATH Practice word problems. Review fractions. Create flashcards for geometry formulas. Algebra tutor...

Ngày tải lên: 02/11/2013, 15:20

...     Position: Oracle Data Warehouse Developer  Department: IT Managed Services/Business Intelligence  Reports to: Director, IT Managed Services  Status: Full Time   Headquartered in Toronto, Sapien Information Services is a leading provider of hosted  services and next generation applications for interactive marketing, business  intelligence, customer data integration and communications. Our energetic team of  senior strategic thinkers and technical consultants provides ground breaking analytical  business and customer intelligence data solutions and communications tools for high  profile clients, in a variety of industries. We have exciting growth plans for the business  and are looking for dynamic professionals to help us make our plans a reality.   We are presently looking for an Oracle Data Warehouse Developer to join our team.  If  you are an energetic and self‐motivated professional who is passionate about pushing  the boundaries of your own knowledge and expertise, talk to us about growing yourself  and your career. We have a welcoming culture and a reputation for accountability and  innovation. Our diverse projects, fun environment and passion for our customers will  enable you to contribute your ideas, affect change and grow your personal sphere of  influence.   Position Mandate  This function is responsible for supporting large Oracle Data Warehouses in an efficient,  timely and error‐free manner. The Data Warehouse Developer provides technical  support and direction in developing and supporting system‐level programs, and  interfacing with customers and Business Intelligence Analysts on requirements. The  Data Warehouse Developer has responsibility for production support and maintenance  of the Data Warehouse,  and works with other team memb ers in optimizing system  performance and participates in all phases of the Data Warehouse development cycle  with minimal direction. Additionally, the individual will be responsible for addressing  operational issues to meet established Service Level Agreements for product delivery  and support .  Key Respon sibilities   ... Designing, developing, managing and maintaining multiple internal data warehouses running on Oracle Database 10g and using Oracle Warehou se  Builder 10g Release 1 and Release 2.   Testing and QA activities for daily OWB ETLs and jobs, resolving data load issues  on an on‐going basis as well as carrying out pro‐active testing and quality control  activities to ensure data warehouse data integrity and quality is maintained.   ... Bachelors De gree required, preferably in Computer Science, or an equivalent  combination of education and experience.   At least 5 years of previous/proven experience in Database and Data Warehouse design and development including Data Mart structures and Oracle PL/SQL  coding.  ...

Ngày tải lên: 10/12/2013, 05:15

... Center Disaster Recovery at Extended Distance Single Data Center Applications remain active Near-continuous availability to data GDPS/PPRC HyperSwap Manager Two Data Centers Systems remain active Automated ... enterprise Continuous Availability / Disaster Recovery Metropolitan Region Continuous Availability Regionally and Disaster Recovery Extended Distance Continuous Availability of Data Within a Data Center Disaster ... remain active Automated D/R across site or storage failure No data loss GDPS/ PPRC HyperSwap Manager GDPS/PPRC Two Data Centers Automated Disaster Recovery “seconds” of Data Loss GDPS/GM GDPS/XRC Three...

Ngày tải lên: 11/12/2013, 15:15

... represents a set of commands and a connection to a database. SqlDataAdapter is a class derived from DataAdaptor. SqlDataAdapter is used to populate a DataSet. ! To add and configure a SqlDataAdapter ... architecture. A DataSet is an in-memory cache of data obtained from many possible data sources such as databases or Extensible Markup Language (XML) documents. A DataSet reads and writes data and schema ... typed DataSet is as follows: 1. Generate a SqlDataAdapter. 2. Create a typed DataSet using the data adaptor that you created in the previous step. The SqlDataAdapter is a class in ADO.NET,...

Ngày tải lên: 21/12/2013, 05:17

... specified ranges. \w Matches any word character. Same as [a- zA-Z_0-9]. \W Matches any nonword character. Same as [ ^a- zA-Z_0-9]. \s Matches any white-space character. Same as [\f\n\r\t\v]. ... not recognized as an escaped character, the \ matches that character. For example, \* is the same as \x 2A. Character classes Character classes are the set of characters that define the ... the raw data and the parses the data locally, the consumer need not be aware that the processing takes place on the client and not on the server. A detail that you should emphasize is that screen...

Ngày tải lên: 17/01/2014, 08:20

... Team LiB ] Recipe 4.7 Updating a Data Source with Data from a Different Data Source Problem You want to update a data source using changes made to another data source for data replication ... that have changed in the original data source. This DataSet is then used to apply the changes to a second data source using its DataAdapter; the DataSet for the second data source is reloaded. ... to a data source using a DataAdapter. The data source to which the DataSet is reconciled is usually, but does not have to be, the original data source. The GetChanges( ) method of the DataSet...

Ngày tải lên: 21/01/2014, 11:20

... DataSet( ); SqlDataAdapter da; // Fill the Order table and add it to the DataSet. da = new SqlDataAdapter("SELECT * FROM Orders", ConfigurationSettings.AppSettings["DataConnectString"]); ... OrderDetails table and add it to the DataSet. da = new SqlDataAdapter("SELECT * FROM [Order Details]", ConfigurationSettings.AppSettings["DataConnectString"]); DataTable ... orderDetailTable = new DataTable(ORDERDETAILS_TABLE); da.FillSchema(orderDetailTable, SchemaType.Source); da.Fill(orderDetailTable); ds.Tables.Add(orderDetailTable); // Create a relation...

Ngày tải lên: 21/01/2014, 11:20

... Manage data center as a whole Appendix A: Checklist 1 – Planning a Data Center Environment Facilities Manageable Facilities Climate control Fans Room temperature Humidity False ... 4 Appendix A: Checklist 1 – Planning a Data Center Environment People Management, Operations, and Support Staff Organizational structure Find and retain highly skilled staff Training ... Checklist 1 – Planning a Data Center Environment 3 Change Management Change management process Identify issue Justification for change Approval for change Test change Document change ...

Ngày tải lên: 24/01/2014, 10:20

Ngày tải lên: 24/01/2014, 10:20