Return Overdue Print report Delete video charge Customers (10 marks) b. Rental is one of the use cases in the video system. Write a Rental use case description using detail format (Use case name‚ actor(s)‚ brief description‚ pre-condition‚ post-condition‚ main scenario (flow of events)‚ and alternative flows and exceptions). (10 marks) c. Draw a system level sequence diagram for the Rental use case based on the main scenario in answer for (b). (5 marks) 2. The case study
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Information Systems (IJCIS)‚ Vol. 7‚ 1998 [17] Golfarelli M‚ Rizzi S.‚ A Methodological Framework for Data Warehouse Design‚ Proceeding of the ACM DOLAP98 Workshop‚ 1998 [18] Lujan-Mora S.‚ Trujillo J.‚ Song I.‚ Multidimensional Modeling with UML Package Diagrams‚ 21st International Conference on Conceptual Modeling (ER2002)‚ 2002 [19] Trujillo J.‚ Palomar M.‚ An Object Oriented Approach to Multidimensional Database Conceptual Modeling (OOMD) ‚ Proceeding 1st International Workshop on Data Warehousing and
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Mary was scared. What could have happened to Kirk‚ if Keith was abducted by ISIS? Losing Kirk was not in her itinerary. It was a good thing she had an extra key to Kirk’s suite. Mary opened the door. Kirk was not there and so was his phone. Mary had hope that his phone was still in Kirk’s person and not in the hands of ISIS. After trying three more times‚ Mary stopped calling Kirk. She called John instead. “Mary?” John said. “What’s up? How’s Iran?” “Not so good‚” Mary said. “ISIS is slowly overwhelming
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NCC REQUIREMENT Statement and Confirmation of Own Work Programmer /Qualification name: All NCC Education assessed assignments submitted by students must have this statement as the cover page or it will not be accepted for marking. Please ensure that this statement is either firmly attached to the cover of the assignment or electronically inserted into the front of the assignment. Student declaration I have read and understood NCC Education’s Policy on Academic Dishonesty and
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Project on Online examination 2011 SYNOPSIS This document is meant for describing all the features and procedures that were followed while developing the system. This document specially mentions the details of the project how it was developed‚ the primary requirement‚ as well as various features and functionalities of the project and the procedures followed in achieving these objectives. Online Examination System forms the lifeline of the Educational Institutes to the functioning of the Examination
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instance your entry in the database could point to several entries for each of the phone numbers that are yours. The ER model would say that you are an entity‚ and each phone number is an entity‚ and the relationship between you and the phone numbers is ’has a phone number’. Diagrams created to design these entities and relationships are called entity–relationship diagrams or ER diagrams. CONCPETUAL SCHEMA Conceptual Schema is sometimes called logical schema. It describes the stored data in terms of
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The entity-relationship model (or ER model) is a way of graphically representing the logical relationships of entities (or objects) in order to create a database. entity type is a collection of entity instances sharing similar properties Strong Entity Vs Weak Entity An entity set that does not have sufficient attributes to form a primary key is termed as a weak entity set. An entity set that has a primary key is termed as strong entity set. A weak entity is existence dependent. That is the
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prescribed ceilings on rental prices for city flats. The idea was to make access to appropriate dwelling space largely independent of income. Although the measures served the purpose for a while‚ very soon negative side-effects did appear; in particular‚ black markets for flats developed‚ and‚ in the longer run‚ inner cities’ residential houses got dilapidated. Use economic theory to explain the situation and the consequences that arose. Hint: Consider the incentives of landlords‚ rental agencies and flat-hunters
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will‚ in long run equilibrium‚ always use a scale of plant that minimises long run Average Costs. (d) A profit maximising monopolist will always produce where marginal cost is greater than price. Question 2 Assume two rival car rental companies (Ace Rentals and Bob’s Rentals) are considering whether to discount their rates as a method of increasing market share. The following pay-off matrix gives the expected monthly profits (in $’000) of each company (Ace‚ Bob’s) under alternate strategies: BOB’S
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technology. Particularly in most video rental store‚ daily transactions are still done on manual transaction. Making an automated system in a video store has become a … 1 The Existing System Objectives of the System Video Club aims to lend obscure videos for both the members of Exclusive Golf and Country Club (EGCC) and the Gentlemens’ Club (GC) with more variety on movie selecton. The video club needs to keep of its rental information and compute rental fees collected from VHS‚ VCD‚ DVD
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