Deploying IT resources (MIS 533) MBS in Management Information Systems and Managerial Accounting Systems (2006 / 2007) Fergal Carton Business Information.

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Deploying IT resources (MIS 533) MBS in Management Information Systems and Managerial Accounting Systems (2006 / 2007) Fergal Carton Business Information Systems

MBS (MIMAS) / MIS533 / Deploying IT Resources Last week Course outline Introductions Assessment dates Connolly & Begg handout DB’s for speed, volume, reduction of error It’s all about managing customers and suppliers SMART Telecom, contacting customers when landline suspended? SAD methodologies –Data oriented techniques today –Importance of –Reality (moves on) versus system design (once only)

MBS (MIMAS) / MIS533 / Deploying IT Resources This week Assessment dates (updated) Practicals: confirm groups and times Recommended reading Homework: database examples Analysis & design = listening Use data to test your design Applications: trade off design vs. cost Bad system design Modelling

MBS (MIMAS) / MIS533 / Deploying IT Resources Assessment dates (updated) A practical exam (20%) which will be the development of a small database from a business scenario –For example, system to support administration of Cork Film Festival –Scenario to be distributed by 15 th Nov 2006 –Assessment during lab practical 7 th / 8th Dec 2006 An MCQ (20%) in class on 28 th February 2007

MBS (MIMAS) / MIS533 / Deploying IT Resources Recommended reading Database Solutions –A step by step guide to building databases Thomas Connolly & Carolyn Begg Publisher : Addison Wesley Concepts of Database Management Philip Pratt & Joseph Adamski, 4 th edition Publisher : Thomson Course Technology

MBS (MIMAS) / MIS533 / Deploying IT Resources Recommended reading

MBS (MIMAS) / MIS533 / Deploying IT Resources Recommended reading

MBS (MIMAS) / MIS533 / Deploying IT Resources Topics covered SAD methodologies Infrastructure planning Strategic dimension of data management Requirements analysis and systems design Process modelling Data modelling Enterprise systems Database development (MS Access and Oracle).

MBS (MIMAS) / MIS533 / Deploying IT Resources Definitons : Analysis & Design Analysis : what users need the system to do Design : how the system will meet the need

MBS (MIMAS) / MIS533 / Deploying IT Resources Analysis = listening

MBS (MIMAS) / MIS533 / Deploying IT Resources Business requirements

MBS (MIMAS) / MIS533 / Deploying IT Resources What is so difficult about Analysis and Design? It involves listening, understanding, documenting and clarifying It takes time, patience and humility It works best within a framework (methodology) Design always influenced by experience

MBS (MIMAS) / MIS533 / Deploying IT Resources Use data to test your design

MBS (MIMAS) / MIS533 / Deploying IT Resources Applications : woodworker Customer Product Scope Resources Invoice

MBS (MIMAS) / MIS533 / Deploying IT Resources Applications : IT

MBS (MIMAS) / MIS533 / Deploying IT Resources Applications : IT Customer Product Scope Resources Invoice Plan Buy Make Deliver Bill and collect Approve & Pay Report results Sell Install Maintain Recruit Train Reward ManufacturingFinanceSales / CSHR Market DevelopBudget

MBS (MIMAS) / MIS533 / Deploying IT Resources Bad systems design? Paper based, supporting foreign character sets MPRN# going digital with intelligent meters ESB Customer supply –Customer identification when address changes –Customer identification when mobile no. changes Customer identification when they have 2 numbers (FT) Double booking on airline seats Difference between customer requirements and order Sales reporting by customer: Excel Pharmacy: GMS code gives customer history: confidentiality

MBS (MIMAS) / MIS533 / Deploying IT Resources Building a model Functional decomposition Data Flow Diagram –Context diagram –Processes –Data Flow –Data store –External entities

MBS (MIMAS) / MIS533 / Deploying IT Resources Example :

MBS (MIMAS) / MIS533 / Deploying IT Resources Functional decomposition

MBS (MIMAS) / MIS533 / Deploying IT Resources Context diagram On-line reservation system Internet Users Global Airline seat booking

MBS (MIMAS) / MIS533 / Deploying IT Resources Example : Input : –Flight details (eg. SNN-BVA, 8 Oct, 10.35) –Credit card details (eg. VISA no, Expiry date) Process : –Confirms price (eg. EUR 79) –Makes reservation & processes payment Output : –Reservation reference (eg.CGHKCA)

MBS (MIMAS) / MIS533 / Deploying IT Resources Data Flow Diagram Flight details Lists options Confirm price Book now Outward Inward Makes Reservation & payment Credit card Reservation Stores Flight details