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Create a table (by your own imagination) which comprises the least 25 patients with next information (columns):
No Gender Country Stage Value11...25 M, F G, F, A, RO St1,St2,St3 Between 1 and 10 (ex: 8.7)Using pivot table or filters or total techniques (or combinations) determine:
Number of male and female on the study.Number of cases related to Country.Number of cases from each Country related to Stage (how many cases are from RO in stage 1 ... and so on).Calculate average of Value1 for each Gender.
Complete following task. In each exercise, represent answer in both DBDL and with diagram. You may use any of styles for diagram. Create database to produce following reports. Do not use any surrogate keys in design.
Write the following procedures: woman_wants_to_enter, man_wants_to_enter, woman_leaves, man_leaves, using counters and sychronisation techniques to ensure that the correct behaviour will occur.
Database Questions: What do you mean by data base scheme? What do you mean by cardinality ratio? What do you mean by degree of relation?
Find the average number of books borrowed per member. Take into account that if a member does not borrow any books, then that member does not appear in the borrowed relation at all.
A database is to be created for University to monitor students' progress throughout their course of study. Students are reading for degree (such as BTech, BTech(Hons) MCA, etc) within framework of modular system.
Provide expression in relational algebra for each of the following queries: Give all the managers in database a 10 percent salary raise. Give all the other employees a 5 percent salary raise.
You have just received a new computer at work. it runs fast and works great. thinking about the future and the day something might break explain why it is important to record this information.
Indicate the changes (using the shorthand representation) that you would need to make to the original premiere products database desing to support the following requirements.
Exceptions in credit card transactions can aid us fraudulent use of credit card. Suggest two methods for outlier detection.
We want to construct a database for a world-wide package delivery company. Define a set of relational schemas and identify primary and foreign keys. Try not to include redundant schemas.
Create a 2-3 page (350 words per page) examining the use of databases in organization. Explain what database applications are utilized (Microsoft Access, DB2, Oracle, etc.).
Your job is to create a database management system for bike shop who ‘buys' and ‘sells' new and second-hand bikes, and also parts of bike. Bike is constructed with parts while part can be fitted to different bikes.
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