Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Apr 09, 2024

What is relational algebra? b) What are the types of relational algebra? Question No. 02 a) What is Data definition language (DDL)? b) What is

What is relational algebra?

b) What are the types of relational algebra?

Question No. 02

a) What is Data definition language (DDL)?

b) What is Data manipulation language (DML)?

Question No. 03

a) Differentiate inner and outer join.

b) What is full outer join?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Get Instant Access to Expert-Tailored Solutions

See step-by-step solutions with expert insights and AI powered tools for academic success

Step: 2

Step: 3

Ace Your Homework with AI

Get the answers you need in no time with our AI-driven, step-by-step assistance

Get Started

Recommended Textbook for

Principles of Information Systems

Authors: Ralph M. Stair, George W. Reynolds

9th edition

978-1337097536, 1337097535, 978-1337515634, 1337515639, 978-0324665284

More Books

Students also viewed these Databases questions

Question

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

Answered: 1 week ago

Question

s1 educated (SSE) student for every three public school educated (PSE) students. Reasoning that students are not very dissimilar from threads, he suggests the following entry and exit routines be...

Answered: 1 week ago

Question

★★★★★

A new out-of-state client, Robert Ball, has asked you to prepare a Form 709 for a large gift he made in 2013. When you request copies of any prior gift tax returns he may have filed, he responds,...

Answered: 1 week ago

Question

★★★★★

Standard addition graph. Tooth enamel consists mainly of the mineral calcium hydroxyapatite, Ca10(PO4)6(OH)2. Trace elements in teeth of archeological specimens provide anthropologists with clues...

Answered: 1 week ago

Question

★★★★★

Problem Cola wars is the popular term for the intense competition between Coca- Cola and Pepsi displayed in their marketing campaigns, which have featured movie and television stars, rock videos,...

Answered: 1 week ago

Question

★★★★★

In Example 7.20, let denote the proportion of passengers that wait less than x for a bus to arrive. That is, with Wi equal to the waiting time of passenger i, if we define Xi = 1, if Wi Answered: 1 week ago

Answered: 1 week ago

Question

★★★★★

The Eatery is a restaurant in DeKalb, Illinois. It specializes in deluxe sandwiches in a moderate price range. Michael Raye, the manager of The Eatery, has determined that during the last 2 years the...

Answered: 1 week ago

Question

★★★★★

Wolfpack Company is a merchandising company that is preparing a budget for the month of July. It has provided the following information: Wolfpack Company Balance Sheet June 30 Assets Cash Accounts...

Answered: 1 week ago

Question

★★★★★

Sebastian Trains Co (ST) is a UK based rail operating company which holds three UK rail franchises. The franchises allow ST to run trains on the rail network in a particular geographical area within...

Answered: 1 week ago

Question

★★★★★

\begin{tabular}{|c|c|c|c|c|c|} \hline & a & b & c & d & e \\ \hline Sales & $62,000 & $43,500 & $55,000 & & $25,600 \\ \hline \multicolumn{6}{|l|}{ Cont of groodestits } \\ \hline & 3,000 & 17,050 &...

Answered: 1 week ago

Question

★★★★★

An automated, swinging security light, hanging from the corner of a 35 ft tall building, is lighting the ground in front of the building. The angle 0 (see image below) is increasing at a rate of 0.6...

Answered: 1 week ago

Question

★★★★★

A department has three machines. The following figures indicate the departmental expenses for the most recent month Depreciation of machinery Depreciation of building Repairs to machinery Insurance...

Answered: 1 week ago

Question

★★★★★

In this module, you will plan a diving trip. You will need to know estimates of the pressure changes that you will experience. For example, if you estimate reaching depths of 200 ft (61.0 m). The...

Answered: 1 week ago

Question

★★★★★

PROBLEM 3 Given Diagram 3.1, answer Questions 3.1, 3.2 and 3.3 Diagram 3.1 Fa = 2,120 N Ff = 103 N 2,200 kg Question 3.1 What is the resultant force acting on the object? Your answer Question 3.2...

Answered: 1 week ago

Question

★★★★★

This question is a compound true/false question with 6 questions. The answers to 3 of these are true and the answers to the other 3 are false. Choose only the 3 "true" ones. (Note that the grader...

Answered: 1 week ago

Question

★★★★★

A 20-year, $1,000 par value bond has a 10.25% annual payment coupon. The bond currently sells for $1,125. If the yield to maturity remains at its current rate, what will the price be 5 years from now?

Answered: 1 week ago

Question

★★★★★

Evaluate how many lines there are in a true rotational spectrum of CO molecules whose natural vibration frequency is w = 4.09 1014 s1 and moment of inertia I = 1.44 1039 g cm2.

Answered: 1 week ago

Question

★★★★★

What is the difference between a patent and a copyright? What copyright issues come into play when downloading software or music from a Web site?

Answered: 1 week ago

Question

★★★★★

Why is the general ledger application key to the generation of accounting information and reports?

Answered: 1 week ago

Question

★★★★★

What is an application service provider? What issues arise in considering the use of an ASP?

Answered: 1 week ago

Question

★★★★★

Using a spreadsheet, repeat Problem 7 and create the line chart for the percent defective data.

Answered: 1 week ago

Question

★★★★★

Calculate the percentage change in utilization for the two months.

Answered: 1 week ago

Question

★★★★★

Using whatever methods you choose, find the best forecasting technique for the following data. Justify your answer.

Answered: 1 week ago

Previous Question Next Question