Answered step by step

Verified Expert Solution

Link Copied!

Question

1 Approved Answer

Posted on Oct 24, 2023

Describe what is schema, sub schema, DML and DDL ? What is Relation Database Management System (RDBMS) ? What is Entity Relationship Diagram (ERD) ?

Describe what is schema, sub schema, DML and DDL ?
What is Relation Database Management System (RDBMS) ?
What is Entity Relationship Diagram (ERD) ?

Step by Step Solution

There are 3 Steps involved in it

Step: 1

Schema A schema in the context of databases refers to the logical view of the entire database It defines how the data is organized and how relationshi... blur-text-image

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

Systems analysis and design

Authors: Alan Dennis, Barbara Haley Wixom, Roberta m. Roth

5th edition

978-1118057629, 1118057627, 978-111880817

More Books

Students also viewed these Databases questions

Question

★★★★★

This assignment is designing a complete database management system to address a practical database need and implement a relational database based on that design. Your database system should be...

Answered: 1 week ago

Question

★★★★★

The Healthy Collective is a health and wellness member organisation that was formed in 2018. The organisation brings together for the first time, citizens, health and wellness practitioners and other...

Answered: 1 week ago

Question

★★★★★

Jim Watanabe, assistant director of IT for Petrie Electronics, and the manager of the No Customer Escapes customer loyalty system project, was walking down the hall from his office to the cafeteria....

Answered: 1 week ago

Question

★★★★★

50 successes in 200 trials when p = 0.2. For the binomial experiments find the normal approximation for the probability of

Answered: 1 week ago

Question

★★★★★

A liquid stream containing 50.0mole% benzene and the balance toluene at 25C is fed to a continuous single-stage evaporator at a rate of 1320 mol/s. The liquid and vapor streams leaving the evaporator...

Answered: 1 week ago

Question

★★★★★

1. You know the restaurant advertises the quality of its ingredients in the local media. But the menu changes are not advertised, and it bothers you. What course of action would you take? You work...

Answered: 1 week ago

Question

★★★★★

An insurance company classifies the claims arriving as being either low (L) or high (H). On a certain day, 21 claims arrived, 12 of which were L. At the end of the day, a company employee registers...

Answered: 1 week ago

Question

★★★★★

The income statement disclosed the following items for 2014: Depreciation expense .......... $ 72,000 Gain on disposal of equipment....... 42,000 Net income ............... 635,000 Balances of the...

Answered: 1 week ago

Question

★★★★★

E1-2 [Based on AICPA) General problems 1. Pop Corporation paid $100,000 cash for the net assets of Son Company, which consisted of the following: Book Value Fair Value Current assets Plant and...

Answered: 1 week ago

Question

★★★★★

Rico is excited about the revenues that Orion generated during its first year of business. The main revenue source is a matchmaking service for clients seeking a romantic relationship. New clients...

Answered: 1 week ago

Question

★★★★★

QUESTION: What is the Lower Control Limit? Round your answer to three decimal places. Fogarty Inc. has decided to use an RChart to monitor the changes in the variability of their 56.00 pound bolE....

Answered: 1 week ago

Question

★★★★★

Hugo Boss AG is a German designer, manufacturer, and distributer of mens and womens clothing, operating in the higher end of the clothing retail industry. During the period 20042017, the company...

Answered: 1 week ago

Question

★★★★★

Refer to the Journal of Engineering for Gas Turbines and Power (Jan. 2005) study of a high-pressure inlet fogging method for a gas turbine engine, Exercise 11.25. Consider, again, the first-order...

Answered: 1 week ago

Question

★★★★★

You are the manager of a fast-food store. Part of your job is to report to the boss at the end of each day which special is selling best. Use your vast knowledge of descriptive statistics to write...

Answered: 1 week ago

Question

★★★★★

A two-mass system consists of a piston of mass $m_{1}$, connected by two elastic springs, that moves inside a tube as shown in Fig. 5.23. A pendulum of length $l$ and end mass $m_{2}$ is...

Answered: 1 week ago

Question

★★★★★

Two particles carrying charges $q_{1}=-4 \mu \mathrm{C}$ and $q_{2}=$ $12 \mu \mathrm{C}$ are located $5 \mathrm{~m}$ apart. Choose a coordinate system where the first particle is at the...

Answered: 1 week ago

Question

★★★★★

Consider the following portfolio. You write a put option with an exercise price of $90 and buy a put with the same expiration date with an exercise price of $95. A. plot the value of the portfolio at...

Answered: 1 week ago

Question

★★★★★

A supermarket chain is interested in exploring the relationship between the sales of its store-brand canned vegetables (y), the amount spent on promotion of the vegetables in local newspapers (x1)...

Answered: 1 week ago

Question

★★★★★

What are the five types of coupling? Give an example of good coupling and an example of bad coupling.

Answered: 1 week ago

Question

★★★★★

Consider the accompanying system, which was described in Chapter 4. Use the use cases and process models that you created in Chapters 4 and 5 to help you answer the questions that follow. The Campus...

Answered: 1 week ago

Question

★★★★★

How can you prevent mistakes?

Answered: 1 week ago

Question

★★★★★

A cross-border shopping trip reveals that milk sells for US$4.39 per one-gallon jug versus C$5.49 per four litre jug in Canada. Calculate the percent difference between Canada and the United States...

Answered: 1 week ago

Question

★★★★★

Based on the exchange rates in the table in Problem 20, how many fewer Canadian dollars will you receive if you convert 96 at ICE instead of at the Royal Bank? On any currency exchange transaction,...

Answered: 1 week ago

Question

★★★★★

a. Based on the exchange rates in the table in Problem 20, to then earest0.01%, what was the percent transaction cost on your purchase of 250 from each of the Royal Bank and ICE? On any currency...

Answered: 1 week ago

Previous Question Next Question