Question: Question: Translate the following SQL statement into an equivalent relational algebra statement. select from * instructor where dept_name in (select dept_name from department where

Question: Translate the following SQL statement into an equivalent relational algebra statement. select from * instructor where dept_name in (select dept_name from department where budget >= 100000)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

This representation ensures that we select all attributes from the instruc... View full answer

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!

Current Attempt in Progress Sunland Corporation currently manufactures a subassembly for its main product. The costs per unit are as follows: Direct materials $4 Direct labor 13 Variable overhead 8...

For the conceptual schemata of the database, establish an environment for the execution of simple and advanced queries in Oracle. The global schemata is as below EMP (ENUM, NAME, SAL, TAX, MGR, DNUM)...

Define the contextual-equivalence relation ` M =ctx M0 : for pairs of PCF terms M, M0 , PCF types , and PCF type environments . [3 marks] (ii) For PCF terms M and N with respective typings ` M : and...

2. Set vs. Multiset Semantics SQL, by default, uses multiset (bag) semantics, whereas the pure relational model is set semantics (no duplicates.) Even if relations have no duplicates, it is possible...

Question I (80 points total) Consider the following relational database for storing data about employees and projects: employee (employee_ID, name, annual salary) project (project_name, budget)...

the following relational algebra questions based on tables S1 and S2 (below) Question 1 What is the output of S1 S2 ? The row identified by sid 22 The rows identified by sid 31 and 58 The row...

For this assignment, use the following (short) tables department dept_name building budget Computer Science LWSN 800000 Statistics HAAS 500000 Mathematics MATH 600000 Physics PHYS 700000 instructor...

Please answer each query and display the output Query 1: Create a new table, FACULTY5, and populate it with faculties in department ID 5, using an existing table. Use faculty ID, name, and salary...

QUESTION 2 [25 MARKS] A database held in a relational Database Management System (DBMS) is as follows: Course (courseid, title, deptname, credits) Student (studentid, studentname, deptname,...

oracle sql statement help. I will upvote a clear, detailed response. Thank you!! more joins (inner and outer), subqueries and other SQL issues You are suggested to adopt a user friendly prefix string...

Research about tax rates in the Philippines. Based on the existing tax structure, define a piecewise function that models the situation by giving (a) the function's equation, (b) a table showing some...

1. Your friend asks you to invest $10,000 in a business venture. Based on your estimates, you would receive nothing for four years, at the end of year 5 you would receive interest on the investment...

1 ) A global contracting organisation suffers from different types of organisational conflicts internally and within its clients and supply chain. You are appointed as a consultant to advise senior...

Build a web-based application. It should be about giving marks to a picture of a man drawn by a small child. This should happen through machine learning because a model has to be developed. When the...

A plane is headed eastward at a speed of 156 ms A 200 ms wind is blowing southward at the same time as the plane is flying The velocity of the plane relative to the ground is

What is the incubation period! What does happen to our bodies in that period?

A GPS receiver on a Predator aircraft records the velocity vector in the Earth frame to be vx = 53 m/s, v, = 34 m/s and vz = -5 m/s. The air data system records a = 4 degrees and we know the yA...

A firm has total assets of $ 1 0 0 and total debt of $ 2 5 . Equity is $ 7 5 . Debt - equity ratio is 3 . Debt ratios is 2 5 % . Equity ratio is 7 5 % .

Which of the following statements deletes all rows in the HOMEWORK10 table? a. DELETE * FROM homework10; b. DELETE *.* FROM homework10; c. DELETE FROM homework10; d. DELETE FROM homework10 WHERE amid...

How can a sequence be used in a database?

Create a list of all customer numbers along with text indicating whether the customer has been referred by another customer. Display the text NOT REFERRED if the customer wasnt referred to JustLee...

A typical Japanese automobile manufacturing plant in North America produces more cars with fewer workers than a typical Big 3 North American plant; see, for example, http://vrww....

Describe how an operations strategy is formulated.

Name one of your personal goals. Determine a plan to reach it (this is the strategy).