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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.
Start with LAN on RTA and proceed clockwise. Determine the number that how many total valid host addresses will be wasted on WAN links?
At this point in the design process, you would have a detailed physical schema created for a database. How would you approach converting your schema into a database, complete with sample data? Explain your approach in two to three paragraphs.
Draw an Entity Relationship diagram for the system and Identify the table design for the database displaying all the fields/attributes. Ensure that all tables are in 3NF. You also need to identify the primary keys and foreign keys, where applicable..
Using data mining, it is possible to gather information which has been buried that can be manipulated and cross indexed which could be a valuable information gathering technique for entities.
Give examples of binary 1:N relationships, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship,
Assume you manage business activity which needs a new IS with a database. The development team is divided on which DBMS you must use. One faction wishes to use oracle,a second wants to use MtSQL, and a third wants to use SQL server.
Create a link list in ADT c to maintain employee information like name,empid,basic salary and address.1.add employee info to the list if the empid is valid.
MGMT321 Group Project: Create the following documents for the proposed system and deliver each SDLC documents by the end of each designated module, as shown below
Create a state transition diagram that describes typical student states and how they change based on specific actions and events.
Using Join, list the items each customer ordered where the billing_price was lower than the item price (item, billing_price, and price). Sort the results alphabetically by customer name.
You have a company, specializing in managing technology solutions. you have ben just hired by big firm to execute a well-planned strategy.
Write SQL queries for the books database that perform each of the following tasks: Select all authors from the Authors table with the columns in the order lastName, firstName and authorID.
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