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33 Cards in this Set
- Front
- Back
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5 Listings on Job Descriptions
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1. Title
2. Reporting Relationship 3. Overall Responsibility 4. Key Individual Responsibilities 5. Qualifications Needed |
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4 Group Development Stages
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1. Forming
2. Storming 3. Norming 4. Performing |
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Forming
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Life Seems Good
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Storming
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Conflict Emerges
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Norming
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Group Hug
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Performing
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Life is good.
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Bureaucracy + 3 components
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the structure and set of regulations in place to control activity, usually in large organizations and government
a. Rule Following b. Social Hierarchy c. Impersonal Relationships |
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Transaction Processing System (TPS)
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Information System that supports operational decision-making
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Steps of Purchasing Cycle
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1. Create a purchase order
2. Receive goods from the supplier 3. Verify quality and quantity of goods 4. Receive an invoice from the supplier 5. Pay the invoice |
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Context Diagram
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1. Shows the primary relationships between the organization and the external entities with which it deals.
2. Shows the main classes of information that the business must manage in dealing with its environment. |
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Dataflow Diagram
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1. a graphical representation of the "flow" of data through an information system.
2. Details the steps, parties, and data exchange necessary to complete one process. |
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Context vs. Dataflow
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Context: shows the interaction between the system and outside entities.
DFD: "exploded" to show more detail of the system being modeled. |
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Sources/Sinks of Data
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External sources or sinks (destinations) of data that interact with the system, but are outside its boundary (govt, supplier, other company, other department)
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Processes
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Transformation performed by people, machines, or computers on incoming data flows to produce outgoing data flows
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Rules of Processes
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1. Inputs must contain all data needed to produce output
2. Data must flow in and out |
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Data Stores
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Types of Data stored: computer, box, information manual
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Data flows
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Shows movement of data between two processes, between process and source/sink, or between process and storage. (i.e. Report, phone call)
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Rules of Data Flow
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Only a process can move data between sources/sinks/storage. That will be the link between the two
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Symbol: Process
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Circle
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Symbol: External Source
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Rectangle
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Symbol: External Sink
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Rectangle
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Symbol: Data Storage
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Open-ended Rectangle
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Symbol: Data Flow
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Arrow
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Business Intelligence
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knowledge about your customers, competitors, business partners, competitive environment, and own internal operations that gives you the ability to make effective, important, and often strategic business decisions.
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Business intelligence Tools
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1. Data Warehousing:
a. Data Mart b. Data Warehouse 2. Online Analytical Processing a. OLAP cube b. Reporting Tools c. Analyzing tools |
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Purpose of Data Warehousing
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1. Quicker and more intuitive access to summary data
2. Don't put strain on transaction systems 3. Consolidate sources 4. Obtain consistent view |
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What are Data Marts?
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Small Data Warehouses
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Why use Data Marts?
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1. Departmental Control
2. Easier to develop |
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How are Data Marts built?
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downloaded from enterprise DW or created from scratch
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What are OLAPs?
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Extracts measures (quantities) along many dimensions from company data usually from DW or other transaction systems and databases
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How are OLAP Organized?
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1. Dimensionally
think Pivot Table |
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What is drilling up and drilling down?
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Being able to increase and decrease the subcategories. Looking at something by region vs going down to the street level
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What is a BI Dashboard?
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1. Executive overview of key company performance indicators
2. Often the opening screen on executive's browsers 3. Built from BI systems 4. Dynamic |
