EBK DATABASE CONCEPTS
7th Edition
ISBN: 9780133777840
Author: AUER
Publisher: VST
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Expert Solution & Answer
Chapter 3, Problem 3.1RQ
Explanation of Solution
SQL:
- The full form of SQL is “Structured Query Language”.
- SQL is not a
programming language. It is text-based and it is also called as data sublanguage.- In order to get SQL as a complete programming language, it should be included in scripting languages like Java, C#, and so on.
- Some of the DBMS (
Database Management System) products provide GUI (Graphical User Interface) tools in order to perform tasks are as follows:- SQL Server
- Oracle Database
- MySQL
Importance of SQL:
- SQL language is used to work with database like defining and processing it. They are executed using DBMS-supplied command prompt.
- They can control redundant data and also it can restrict unauthorized access.
SQL Commands:
SQL statements are divided into categories. Some of them are given below:
- Data Definition Language (DDL):
- It is used for creating tables and other structures. They perform operations like creating tables, modifying database, and removing database.
- Data Manipulation Language (DML):
- This is used for manipulation like querying, inserting, updating, and deleting data.
- SQL / Persistent Stored Module (SQL / PSM):
- These are which extended by including procedural programming capabilities like variables and control statements.
- Transaction Control Language (TCL):
- These statements are used to control transactions. The commands of TCL are: Commit, Rollback, and Savepoint
- Data Control Language (DCL):
- They are used to “grant or revoke” permissions for database.
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You are tasked with developing a program to use city data from an online database and generate a
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1) Create a new Project in Eclipse called "HW7".
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3) The logic for the method "getCityCategory" of City Class is below:
a. If the population of a city is greater than 10000000, then the method returns "MEGA"
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CPS 2231 - Computer Programming – Spring 2025
City Report Application
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Due Date:
Concepts: Classes and Objects, Reading from a file and generating report
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using classes in a realistic application that involves arrays of objects and generating reports.
Assignment Instructions:
You are tasked with developing a program to use city data from an online database and generate a
city details report.
1) Create a new Project in Eclipse called "HW7”.
2) Create a class "City.java" in the project and implement the UML diagram shown below and add
comments to your program.
3) The logic for the method "getCityCategory" of City Class is below:
a. If the population of a city is greater than 10000000, then the method returns "MEGA"
b. If the population of a city is greater than 1000000 and less than 10000000, then the
method returns "LARGE"
c. If the population of a city is greater…
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ADD X11, X3, X2
SUB X9, X1, X3
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Chapter 3 Solutions
EBK DATABASE CONCEPTS
Ch. 3 - Prob. 3.1RQCh. 3 - What is a data sublanguage?Ch. 3 - Prob. 3.3RQCh. 3 - Prob. 3.4RQCh. 3 - Prob. 3.5RQCh. 3 - Why do some standard SQL-92 statements fail to run...Ch. 3 - Use the following tables for your answers to...Ch. 3 - Write an SQL CREATE TABLE statement to create the...Ch. 3 - Prob. 3.9RQCh. 3 - Prob. 3.10RQ
Ch. 3 - Prob. 3.11RQCh. 3 - Is PET or PET_2 a better design? Explain your...Ch. 3 - Prob. 3.13RQCh. 3 - Prob. 3.14RQCh. 3 - Prob. 3.15RQCh. 3 - Prob. 3.16RQCh. 3 - Prob. 3.17RQCh. 3 - Write an SQL statement to display the breed, type,...Ch. 3 - Prob. 3.19RQCh. 3 - Prob. 3.20RQCh. 3 - Write an SQL statement to display the breed, type,...Ch. 3 - Write an SQL statement to display the name, breed,...Ch. 3 - Prob. 3.23RQCh. 3 - Prob. 3.24RQCh. 3 - Prob. 3.25RQCh. 3 - Write an SQL statement to display the name and...Ch. 3 - Prob. 3.27RQCh. 3 - Write an SQL statement to count the number of...Ch. 3 - Write an SQL statement to count the number of...Ch. 3 - Prob. 3.30RQCh. 3 - Prob. 3.31RQCh. 3 - Prob. 3.32RQCh. 3 - Prob. 3.33RQCh. 3 - Answer question 3.33, but do not consider any pet...Ch. 3 - Write an SQL statement to display the last name,...Ch. 3 - Write an SQL statement to display the last name,...Ch. 3 - Write SQL statements to (1) create the BREED...Ch. 3 - Prob. 3.38RQCh. 3 - Prob. 3.39RQCh. 3 - Prob. 3.40RQCh. 3 - Write an SQL statement to display the...Ch. 3 - Write SQL statements to add three new rows to the...Ch. 3 - Write SQL statements to add three new rows to the...Ch. 3 - Prob. 3.44RQCh. 3 - Explain what will happen if you leave the WHERE...Ch. 3 - Prob. 3.46RQCh. 3 - Prob. 3.47RQCh. 3 - Prob. 3.48RQ
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