Database Systems: Design, Implementation, & Management
12th Edition
ISBN: 9781305627482
Author: Carlos Coronel, Steven Morris
Publisher: Cengage Learning
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Chapter 2, Problem 11P
Program Plan Intro
Refer the following Entity Relationship diagram (ERD) of problem 10,
- In the above diagram, a painting is painted by a particular artist, and that painting is exhibited in a particular gallery.
- A gallery can exhibit many paintings, but each painting can be exhibited in only one gallery. Similarly, a painting is painted by a single painter, but each painter can paint many paintings.
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Create relational schemas for the ER diagram given below. Indicate clearly the primary and
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Chapter 2 Solutions
Database Systems: Design, Implementation, & Management
Ch. 2 - Prob. 1RQCh. 2 - What is a business rule, and what is its purpose...Ch. 2 - How do you translate business rules into data...Ch. 2 - Prob. 4RQCh. 2 - Explain how the entity relationship (ER) model...Ch. 2 - Prob. 6RQCh. 2 - Prob. 7RQCh. 2 - Prob. 8RQCh. 2 - Prob. 9RQCh. 2 - Prob. 10RQ
Ch. 2 - What is a relationship, and what three types of...Ch. 2 - Give an example of each of the three types of...Ch. 2 - What is a table, and what role does it play in the...Ch. 2 - Prob. 14RQCh. 2 - Prob. 15RQCh. 2 - Prob. 16RQCh. 2 - Prob. 17RQCh. 2 - Prob. 18RQCh. 2 - Prob. 19RQCh. 2 - Prob. 20RQCh. 2 - Prob. 21RQCh. 2 - Prob. 22RQCh. 2 - Prob. 23RQCh. 2 - Prob. 1PCh. 2 - Prob. 2PCh. 2 - Prob. 3PCh. 2 - Prob. 4PCh. 2 - Prob. 5PCh. 2 - Using Figure P2.6 as your guide, work Problems 68....Ch. 2 - Prob. 7PCh. 2 - Prob. 8PCh. 2 - Typically, a hospital patient receives medications...Ch. 2 - Prob. 10PCh. 2 - Prob. 11PCh. 2 - Prob. 12PCh. 2 - Prob. 13PCh. 2 - Prob. 14PCh. 2 - Prob. 15PCh. 2 - Prob. 16PCh. 2 - Prob. 17P
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- What is the most common method of specifying a primary key in a relational schema description? Group of choice: A. by enclosing the key attributes in parentheses B. by stating the key attributes first in the relation definition C. by writing key attributes in all capital letters D. by italicizing the key attributes E. by underlining the attributes that comprise the primary keyarrow_forwardI got stuck on step one through four. I was wondering if you guys know how. each step says: Write the relational schema for the data in its current form. Identify all partial dependencies and transitive dependencies for the data in its current form. Write the relational schema to meet 3NF requirements to the greatest extent possible. If necessary, add or modify attributes to create appropriate determinants, create appropriate foreign keys, and to adhere to naming conventions. Analyze the given data and identify the business rules reflected in the data.arrow_forwardTasks: Considering the following E-R diagram, you need to translate it into a relational database and add some data to the tables. a) Write SQL statements to create the corresponding relations and capture as many of the participation and cardinality constraints as possible. Make sure that the data type and size for each attribute are appropriate. b) If some constraints in the diagram cannot be captured, explain why. c) Write SQL statements to insert at least two tuples for each table task name number ssn phone administrators O deptName dob Employees Caddresses salary staff's hourlySalary number M name Places N Orders M Contains N Items description P status number ID expShipDate qty deliveryDate name qtyInStock CunitCost actualShipDate salePrice email Street Customers city Addres statearrow_forward
- The following exercises are based on the Solmaris Condominium Group database shown in Figures 1-21 through 1-25. No computer work is required. 1. Using the types of entities found in the Solmaris Condominium Group database (condo locations, owners, condo units, service categories, and service requests), create an example of a table that is in first normal form but not in second normal form and an example of a table that is in second normal form but not in third normal form. In each case, justify your answer and show how to convert to the higher forms. 2. Determine the functional dependencies that exist in the following table, and then convert this table to an equivalent collection of tables that are in third normal form: Location (LocationNum, LocationName, (UnitNum, SqrFt, Bdrms, Baths, CondoFee)) 3. Determine the functional dependencies that exist in the following table, and then convert this table to an equivalent collection of tables that are in third normal form: CondoUnit…arrow_forwardExplain the constraint between two attributes?arrow_forwardAssume the following relational model representing the design for BurgerBay database and use it to answer questions 1. Using BurgerBay relational model, write the SQL statements to create the tables Supply, Schedule and Employees.Use the following information to define your attributes. SupplierID : integer ; Each supplier must provide supplies RestaurantLicense : integer ; Each restaurant must have supplies ; Each restaurant must have an employee schedule ScheduleID: integer EmployeeID: integer Day: date format ; required value StartTime: integer; required value EndTime: integer; required value EmployeeName: 50 characters maximum; required value NbrYearEmployed: integer; optional value Employee_Type: 1 character; required value; only allowed values are ‘C’ (for Cook) and ‘M’ (for Manager) 2. Using BurgerBay relational model, write the SQL statements answering the following queries : a. Display the name and city of all suppliers. SELECT SupplyName, City FROM…arrow_forward
- The various database table choices should be discussed when dealing with subtype associations.Discuss the issues that are relevant to the layout you decide to utilize.arrow_forwardAlert dont submit AI genertaed answer.arrow_forwardPLZ help with the following: Translate your ER diagram into a relational schema in the form of SQL DDLs. Choose appropriate data types for each attribute and include primary key and foreign key constraints, Check and Not Null constraints. Normalize the relations to 3NF.arrow_forward
- If there is such a thing as a relational model, what is the overarching name for attributes, and how are they utilized?arrow_forwardExplain how referential integrity is represented in relational model?arrow_forwardFor table EP, the attribute is a foreign key referencing target table For table EP, the attribute is a foreign key referencing target table For table ER the attribute is a foreign key referencing target table For table ER the attribute is a foreign key referencing target tablearrow_forward
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