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1) What is the average length of stay per room type?
2) What is the average number of visitor per room type?
3) What is the base income per room (i.e., length of visit multiplied by the daily rate) during a specified period of time?
4) What is the strongest customer base? Analyze the data in the database and in the application exercise.
To complete this assignment, you will need to do data calculations. Remember to follow good database practice here by not saving your calculations as part of the data table itself (they should appear only in your queries).
Create queries and reports that will provide information to help management at the Queen's Inn to be more competitive and profitable. If you look at the original database you downloaded, you will see that it provides suggestions for the three reports that should be created for The Queen's Inn. These empty templates will give you an indication of what queries and reports you must create for this assignment.
Attachment:- Assignment.rar
Design a query that will allow the finance department to determine the commissions paid to specific employees of the sales department for the month of December.
Complete database exercise by converting user form located the evaluation procedures section of the syllabus into 1NF and 2NF.
Write a query that performs an inner join of the grade, student, and grade_type tables using ANSI SQL 99 syntax (JOIN ON).
Compute the numbers of married men, single men, married women and single women. Print these numbers on a student summary report.
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.
Describe briefly what are the main benefits of using DBMS to manage data in program applications involving extensive data access.
You are interested in examining some hard-to-obtain data from two separate databases. Each database comprises numerical values - so there are 2n values total
Consider a relation schema r(A,B,C,D,E, F) and a set of functional dependencies {A BCD,BCDE,BD,DA}. Determine whether or not (A,E, F) is in BCNF and justify your answer. If (A,E, F) is not in BCNF,find a BCNF decomposition of it.
What is it about a 200 MB video or audio file which makes it so much more of database management challenge than relational database the same size?
What is the key value of the 4th index record on the top level, assuming each index record points to the record with the highest key value in a block of the next level down?
Optimistic concurrency control sets few locks on the data in the database, lowering the isolation level that you use in an application. This allows more applications to run concurrently and potentially increases the throughput of the applications. Th..
You have probably seen that already when you tried to create an E-R diagram. Visio uses notation and graphical shapes that are not the same as those in your text. If you look at some of the links to schemas, you will see a similar sort of thing.
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