CHAPTER 2: DATA WAREHOUSING Objectives: After completing this chapter‚ you should be able to: 1. Understand the basic definitions and concepts of data warehouses 2. Understand data warehousing architectures 3. Describe the processes used in developing and managing data warehouses 4. Explain data warehousing operations 5. Explain the role of data warehouses in decision support 6. Explain data integration and the extraction‚ transformation‚ and load (ETL) processes 7. Describe real-time (active) data
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determine the most efficient methods of transportation and delivery. Identify and describe three basic operations used to extract useful sets of data from a relational database. Answer: The select operation creates a subset consisting of all records (rows) in the table that meets stated criteria. The join operation combines relational tables to provide the user with more information than is available in individual tables. The project operation creates a subset consisting of columns in a table
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Current inventory count and data migration from manual files to databases 4) Maintenance requirements for hardware and software Equipment 1) A quad-core system for acting as a database server‚ having an appropriate OS e.g. Windows Server 2012 and relational database e.g.MS SQL Server 2012. 2) Computer/Laptop for your sister to oversee tasks. 3) A basic Inventory system e.g. ASAP system allowing management of inventory 4) Barcode reader 5) Urgent power supply (UPS) as an alternate power source in
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and private sectors around the world where we need to store and organize the data. Coming to the universities‚ database management is the essential part where there are large number of departments‚ courses and students. Student database management model provides information on student’s course schedule and their basic information. Course schedule like their major and minor names‚ courses names‚ course id‚ instructor names‚ day‚ time‚ room number‚ credits per course and student details like student
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Environment TCOs Satisfied 1 Given a set of guidelines and tools‚ explore how project work and development can be enhanced and improved with proper structure and formality. 5 Given a business system application that needs to retrieve from and write to a relational database using an external sequential or CSV data file format‚ the student will design‚ code‚ and document the business application using a high-level language. Introduction and Rationale During Week 1‚ the primary learning activity is to set up
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collaborate to allow employees to access make sense of the information. Wal-Mart has been the pioneer of Supply Chain Management and it would not exist without the network planning and configuration of the Data-Warehouse‚ Data-Mart and Data-Mining. The relational database series of logically related two-dimensional tables or files to store information in the form of a database. The files that Wal-Mart will create for an online ordering would be order would be Order Number‚ Order Date‚ Customer Number‚ Delivery
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1 System Configuration -how would you configure your system‚ you may use images 1.2 Detailed UML Integration Diagram -use sequence diagram not collaboration diagram 1.3 Class Diagram 2.0 Technical Design 2.1 Database 2.1.1 Relational Database 2.1.2 Database Schema 2.1.2.1 Data Dictionary 2.1.2.1.1 tbl_user Field | Type | Null | Description | User_id | Int(11) | Null | Unique id of the users | Username |
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EXCLUSIVE SUMMARY Phase 1: Database Model 1.1 Database Name 1.2 Entity-Relationship Diagram Phase 2: Database Design 2.1 Database Normalization Process 2.2 Database Schema 2.3 MySQL Code Phase 3: Database Population 3.1 Database Structure 3.2 Populated Tables 3.3 Queries & Resulting Tables Phase 4: Final Project 4.1 Project Modules & Functionalities 4.2 Screen Design/Snapshot 4.3 Source Code ©StarApple Apps 2015 PHASE 1: DATABASE MODEL ©StarApple Apps 2015 RELATIONAL DATABASE Type of the database
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’impedance mismatch’ between the ’record- based’ culture of conventional programming and the set-based world of the relational database. They had a useful purpose in allowing existing applications to change from ISAM or KSAM databases‚ such as DBaseII‚ to SQL Server with the minimum of upheaval. DBLIB and ODBC make extensive use of them to ’spoof’ simple file-based data sources. Relational database programmers won’t need them but‚ if you have an application that understands only the process of iterating
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one view‚ databases can be classified according to types of content: bibliographic‚ full-text‚ numeric‚ and images. In computing‚ databases are sometimes classified according to their organizational approach. The most prevalent approach is the relational database‚ a tabular database in which data is defined so that it can be reorganized and accessed in a number of different ways. A distributed database is one that can be dispersed or replicated among different points in a network. An object-oriented
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