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A database is to be designed for a University to monitor students' progress throughout their course of study. The students are reading for a degree (such as BTech, BTech(Hons) MCA, etc) within the framework of the modular system. The University provides a number of courses, each being characterized by its code , title, credit value, course coordinator, teaching staff and the department they come from. A course is co-ordinated by a course coordinator who shares teaching duties with one or more lecturers. A lecturer may teach (and be a course coordinator for) more than one course. Students are free to choose any course they wish but the following rules must be observed: some courses require pre-requisites courses and some degree programs have compulsory courses. The database is also to contain some information about students including their numbers, names, addresses, degrees they read for, and their past performance (i.e. courses taken and examination results).
Represent the complete scenario with the help of ER Diagram (use maximum advanced features) and design logical schema for this database. Also specify desirable constraints and justify your design approach even in a single small step.
Create a query that spans both tables. Eliminate redundant fields. Modify the Query to select only those Customers that had service dates in October and November 2006.
From information system point of view, we should take the key functions of organization and map them to strategic information. Do your companies follow this process or are steps skipped?
Explain the information-gathering techniques and design methods you would suggest to use for project. Recognize the key factors that help ensure the information required for the project.
Compare the two non-sequential file structure models. What advantages does the first one have over the second and what advantages does the second have over the first?
Suppose that we replace the wait and signal operations of monitors with a single construct await(B), where B is a general Boolean expression. Write a monitor using this scheme to implement the readers--writers problem.
CAR (Serial-No, ModConsider the given relations for database which keeps track of auto sales in car dealership.
Create a structurally sound relational database schema showing the minimum number of fields, tables, and relationships between the tables.
Explain what is the purpose of Database? The purpose of a database is to store information about certain types of objects. Give an example of two related TABLES.
Create a stored procedure that updates the members' balance in the membership table by correctly recording the current or outstanding balance for each customer.
Course: data mining. Require a 7 page essay on subjects: Warehouse Architectures: the paper requires to contain information about centralized, federated, and tiered data warehouse.
Relational database is based on fact that data in one table can be tied, or related to data in another table. To do this, database utilizes various types of keys to form or define these relationships.
To analyse a set of data, and write a memo, identifying and explaining your insights into the operation of Todd Restaurants.
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