Answered: 6. Which of the following is the…

Engineering

Computer Science

6. Which of the following is the structure of the Database? a. Table b. Schema c. Relation d. None of these

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

Write Two CREATE USER Statements for the Publisher -Author - Books - Marketing: Database -- drop the database Publisher -Author - Books - MarketingDB if it already exists DROP DATABASE IF EXISTS PublisherAuthorBooksMarketingDB; -- create a database with name Publisher -Author - Books - MarketingDB CREATE DATABASE IF NOT EXISTS PublisherAuthorBooksMarketingDB; -- ensure that the database is used USE PublisherAuthorBooksMarketingDB; -- create the table for Publisher DROP TABLE IF EXISTS Publisher; CREATE TABLE IF NOT EXISTS Publisher ( pid VARCHAR(25), pubName VARCHAR(50), email VARCHAR(50), address VARCHAR(50), phone VARCHAR(15), CONSTRAINT Publisher_PK PRIMARY KEY(pid) ); -- create the table for Author DROP TABLE IF EXISTS Author; CREATE TABLE Author( socSecNum VARCHAR(15), authName VARCHAR (50), phone VARCHAR (15), address VARCHAR (50), email VARCHAR (50), CONSTRAINT Author_PK PRIMARY KEY (socSecNum) ); -- create the table for Marketer…
C# using Dapper DB Multimapping Step 1 is done already you must proceed to step 2 See attached photo for the problem and instructions. All the instructions are there already
Each of the following methods for storing a relational database has two benefits and two drawbacks. Create a separate file for each relationship.
Respond to one or both of the following statements: It is impossible to produce good information from poor data. No matter how sophisticated the application programs are, it is impossible to use good application programs to overcome the effects of bad database design.
Describe the procedure when a database is started on a database server. Oracle allocates a memory area called the System Global Area (SGA) with its components.
23. Which of the following is a group of one or more attributes that uniquely identifies a row? a. Key b. Determinant c. Tuple d. Relation
a SELECT DISTINCT on the results set. III. Activities 1) In this activity, refer to the Construct Company schema studied in activity one of lab 3. a) Load the ConstructCompany Schema.sql script and execute it to create all the tables of the schema. Use this database to answer the following questions. b) Write the SQL code to enter the rows shown in the following Figure inside the table EMP 1. EMP NUM EMP LNAME EMP FNAME News Senior EMP INTIAL EMP HIREDATE JOB CODE 08-Nov-00 502 12-Jul-89 501 01-Dec-96 500 101 John David G 102 H 103 Arbough June E 104 Ramoras Anne 15-Nov-87 501 Johnson Smithfield Alonzo Washington 105 Alice 01-Feb-93 502 106 William 22-Jun-04 500 10-Oct-93 500 22-Aug-91 501 18-Jul-97 501 c) Write the SQL code that will list all attributes for a job code of 502. 107 108 109 Maria D Ralph Smith Larry d) Write the SQL code that will save the changes made to the EMP_1 table. e) Write the SQL code to change the job code to 501 for the person whose employee number (EMP_NUM)…
The following database is maintained by a bookstore: the database structure is shown below. AUTHOR(AuthorName) BOOK(ISBN, AuthorName, Title, PublisherName, PublicationYear, RetailPrice)AuthorName foreign key to AUTHORPublisherName foreign key to PUBLISHER PUBLISHER(PublisherName) CUSTOMER(CustomerNumber, Name, Address, Phone, Email, CreditCardNumber, ExpiryDate) ORDER(OrderNumber, CustomerNumber, OrderDate)CustomerNumber foreign key to CUSTOMER ORDERDETAIL(OrderNumber, ISBN, QuantitySold, RetailPrice, TotalCost)OrderNumber foreign key to ORDER Write SQL code to implement the following separate queries numbered 1 to 4: 1. Find all orders placed in 2018-2019. 2. Report the following information: ISBN, AuthorName, Title, RetailPrice for all books written byAlexandre Dumas or by Mark Twain, published by ClassicsPublishingCo, with a retail price at least$24.99. 3. Create a table which shows the value of orders by each customer who actually placed an orderin 2019. Group in order by customer…
Question No: 06 This is a subjective question, hence you have to Write your answer in the Text-Fieid given below. The database has 4 transactions as shown below. TID Items Bought (A, D. I, B} (D. A, C, E, B) 3 (С.А, В. В) 4. (B, A. D} Assume min_sup = 60% and min_conf = 80% A Find all frequent iternsets using the Aprioni algorithm. Show your workjust showing the final answer is not acceptable. For each iteration show the candidate and acceptable frequent itemsets. You should show your work similar to the way the example was done in class B. List all the strong association rules, along with their support and confidence values. (Do not remove redundancies by applying lit.) 71 Chat with Proctor - G RUPASREE Ootions
Answer the following prompts 1The InstantRide Management team founded a new team for car maintenance. The new team is responsible for the small maintenance operations for the cars in the InstantRide system. The main idea is to take actions faster and minimize the time spent for the maintenance. Therefore, the Car Maintenance team wants to store MAINTENANCE_TYPE_ID (char(5)) and a MAINTENANCE_TYPE_DESCRIPTION (varchar(30)) in the database. Using MAINTENANCE_TYPE_ID as the PRIMARY KEY, create a new table, MAINTENANCE_TYPES, and send the table description with the column names and types to the Car Maintenance team. 2The Car Maintenance team also wants to store the actual maintenance operations in the database. The team wants to start with a table to store CAR_ID (CHAR(5)), MAINTENANCE_TYPE_ID (CHAR(5)) and MAINTENANCE_DUE (DATE) date for the operation. Create a new table named MAINTENANCES. The PRIMARY_KEY should be the combination of the three fields. The CAR_ID and MAINTENANCE_TYPE_ID…
You have an application domain that consists of Cities, Towns, and Neighborhoods. A City has a name, zip code, state, and a country. A Town has a name, zip code, state, and country. A Neighborhood has a name, coordinate, and population. Using a relational model, what are Students, Courses, and Sections called? Select one: a. Attributes b. Constraints c. Entities d. Relations
Hi What is the difference between a domain and a type in database as in the following CREATE DOMAIN CREATE TYPE OR User defined type. Please give examples. Thanks