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Explain the systems development life cycle.
This is the traditional method to develop, maintain, and replace information systems that contains the project identification and selection, project initiation and planning, analysis, logical design, physical design, execution, and maintenance steps. The process is a series of steps that are ideally completed in a linear fashion. In reality, the process is not linear and the process needs steps to be revisited and an overlap of steps.
PART MARKING: For this section, we will use part marking. This means we will supply model answers to all questions but we will only mark six questions. We will choose these randoml
Importance Of File Organisation In Database To execute a database efficiently, there are various design tradeoffs needed. One of the most vital ones is the file Organisation. F
State the definition of association An association is a structural relationship which specifies that objects of one thing are connected with objects of another. In UML, asso
Critically explained the benefits and limitations of different database technologies with proper examples
What is a hash index? A hash index organizes the search keys, with their associated pointers, into a hash file structure.
Project Description: Need Point of Sale software for pizza restaurant. Delivery and take out service, client's database, inventory control, order history, last order, order from
How to create a table from existing table? Create table as e.g, To create a new table ‘N_emp' with employee names and their identification numbers only from employee ta
(a) Design a query plan for the following distributed query: An application at site B wants to compute a join of STUDENT ? Id=StudId TRANSCRIPT where STUDENT (Id,Major) is at site
Explain briefly concurrent task by taking an example. Concurrent Task- The concurrent occurrence of more than one event is called concurrent task. Operating systems can handl
Databases and data warehouses both are databases and both contains number of rows and columns of tables containing data. Data warehouse is really different from databases because d
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