Question: 1. Explain the following term: relationally complete 3 marks 2. What is the difference between a procedural and non-procedural language? 4 marks 3. How would

1. Explain the following term: relationally complete 3 marks 2. What

1. Explain the following term: relationally complete 3 marks 2. What is the difference between a procedural and non-procedural language? 4 marks 3. How would you classify the relational algebra and relational calculus? 4 marks 4. Explain the following term: closure of relational operations. 4 marks 5. Compare and contrast the tuple relational calculus with domain relational calculus. In particular, discuss the distinction between tuple and domain variables. 5 marks 6. Define the five basic relational algebra operations, using an example to illustrate each operation 10 marks 7. Discuss the differences between the five Join operations: Theta join, Equijoin, Natural join, Outer join, and Semijoin. Give examples to illustrate your answer. 10 marks

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Calculate Pearson's correlation coefficient () between the variables Weight and Head in the babyanth.complete data frame using the following formula. Include the correlation value you calculated in a...

Question 4: (7 Marks) Given a relation schema R(A,B,C,D,E, F) with F={ ABC, BC, C+BD, BD>E, E>D} 1- Give two different minimal covers of F 2- Determine all keys of R 3- Determine C and (CE) 4- Why R...

A drawback of cubic resampling is that it produces DN overshoot on either side of sharp edges. The magnitude of the overshoot is directly proportional to the magnitude of . Although this...

National Business Institute of Australia 20 Clark Rd. Ivanhoe Victoria 3079 www.nbi.com.au 03 9499 7872 FNSORG601A Negotiate to achieve goals and manage disputes Student Workbook melbourne . sydney ....

(a) You have just been posted to the Office of the Accountant General Expenditure Unit. The Unit is responsible for the consolidation of Government accounts. You have been asked to analyze the...

I need help with question 5.2-5.6 I cant get mysql command line running on my mac because I forgot mysql password. solution:...

PART I: Long-Term Sources and Cost of Capital CASE STUDY: You have been provided the case study for Lady M Confections, a specialty cake business. Assume you are working for this company in the...

questions in the picture... use the following steps to the answer the questions Step 1: Read the question carefully, how many pieces of information is it asking you for (How many parts are there to...

SECTION A [25 MARKS] Read the Following and Answer the questions that Follow: T ata Sky Tata Sky a combination of Indian behemoth Tata Group and Britains Sky television brand, was the second firm in...

Questions 5.3 and 5.4 . In the domain relational calculus, domain variables take their values from domains of attributes tuples of relations. . The relational algebra is logically equivalent to a...

Why are net present value and internal rate of return considered discounted cash flow methods?

Refer to Exercise 6. a. Find a 98% lower confidence bound for the mean time. b. Someone says that the mean time is greater than 134.3 minutes. With what level of confidence can this statement be made?

26. Brian Horn, a factory worker who is laid off until business picks up again, is . (LO5)

R . I = x 3 0 0 1 R 2 = x 3 0 0 2 R 3 = x 3 0 0 3 And the memory contents: Address x 3 1 0 0 contains the value x 1 2 3 4 . Address x 3 1 0 1 contains the value xABCD. Address x 3 1 0 2 contains the...

KEY QUESTION Identify and state the significance of each of the following: ( a ) WTO; ( b ) EU; ( c ) euro; ( d ) NAFTA. What commonality do they share?

KEY QUESTION What are the two characteristics of public goods? Explain the significance of each for public provision as opposed to private provision. What is the free-rider problem as it relates to...

KEY QUESTION What are the three major legal forms of business organization? Which form is the most prevalent in terms of numbers? Why do you think that is so? Which form is dominant in terms of total...