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Q1- Describe how an ERD can be taken as a logical representation, and implemented into a physical representation in a database.
Q2- Find and explain some more advanced SQL queries that a DBA might use to find some specific information about a database.
Q3- Please try to find different sql statements. and Explain what they do. IF possible, show some of the output as well.
Q4- How do you determine the optimum number of redolog files, their size and the number of groups you shuld have for your databse?What is archivelog mode? What are the requirements for using archivelog mode? Describe what happens when in and not in archvelog mode.
given the file structure shown in figure p1.1 answer problems 1-4.1.how many records does the file contain? how many
Consider the university database from Exercise 2.3 and the ER dia-gram you designed. Write SQL statements to create the corresponding relations and capture as many of the constraints as possible. If you cannot capture some constraints, explain why.
Create your first mock-up of this interface - Based off of your previously chosen organization, you will now begin the design.
What is the key for R? Decompose R into 2NF, then 3NF relations and what you know about the relation to show that this MD cannot violate 4NF
Construct a B+ tree for the following set of key value (2,3,5,7,11,19,23,29,31) in ascending order where the pointers that will fit in one node is as follows:A. four B. six C. eight assuming the tree is initially empty and values are in ascending ..
develop the report having each task clearly numbered togetherwith your answer. You are also expected to write an introduction and conclusion for this report.In performing the following tasks, you have to strictly follow all diagramming rules used ..
To design a database, a database planner should spend a considerable amount of time thinking about what kind of information will be included in the database and how it will be organized. There are several approaches to creating a successful datab
The first part is to create a database and some tables which will be appropriate for a home-budgeting application. That portion of the assignment should be completed from the MySQL console command line.
Which is not a factor to consider in software evaluation?
Select an appropriate statistical measure to compare consistency of sales. Make the calculations and write a report. In your calculations, include the mean sales for each salesperson.
Construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er diagram into tables
Pick one of the different types of SQL statements (data definition language, data manipulation language, or data control language). Describe how that type of statement is use.
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