Part A) Convert the following expressions into DNF format (where ! is NOT) a. (x+y!z)(!x+y+!z) b. 1(ху)!(х+y) Part B) Are the following expressions satisfiable? a. (x+y)(!x+!z)(!y+z)(x+!z+!y) b. (x+y)(!x+!z)(!y+z)(x+!z+!y)(!x+y+!z)

Part A) Convert the following expressions into DNF format (where ! is NOT) a. (x+y!z)(!x+y+!z) b. 1(ху)!(х+y) Part B) Are the following expressions satisfiable? a. (x+y)(!x+!z)(!y+z)(x+!z+!y) b. (x+y)(!x+!z)(!y+z)(x+!z+!y)(!x+y+!z)

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

Related questions

Q: The Primary Key is (doctorID, patientID). i. Explain why the above table is not in 2nd Normal…

A: Below is the answer with explanation:

Q: For MySQL Import the data in the Types.txt into the BOOK_TYPE table.

A: A text file Types.txt has to be created with one record per line, and values separated by a tab.…

Q: Below is a table description and its data. The table is not in Third Normal Form (3NF). Explain why.…

A: Third normal form: A relation is said to be in third normal form only if the relation is already in…

Q: After displaying the COVID data for two countries, you wish to add the daily CFR (Case Fatality…

A: The syntax to add a new column for the CFR values in your data frame is: cfr =…

Q: 2. Write a SQL statement to create a table Cars(model_id varchar(5), model_name varchar(15), year…

A: Given attributes are model_id model_name year

Q: What does the phrase "disjointness constraint" mean?

A: Start: One relationship's super type might be another's subtype. Super type/subtype hierarchies are…

Q: For this assignment you are assigned a task to develop a SOQL query to find name, id from the…

A: To Do: To write a SQL Query.

Q: how to select 2 table like csv1 and csv2 become result? do it in sql

A: Here given two tables in SQL , if given two tables so we combine the both tables use of:…

Q: For this assignment you are assigned a task to develop a SOQL query to find name, id from the…

A: As per the above listed problem statement we are given a task to develop a SOQL query to find the…

Q: What is the difference between step 1 and step 2?

A: This is very simple. Step 1 is similar to Step 2. In step 1, individual tables are written but in…

Q: BranchCars a- b- BranchCity Make Chilliwack Toyota Chilliwack Toyota Abbotsford BMW Abbotsford Mazda…

A: As per the guidelines I have solved first question all sub parts.

Q: 4) Write a PL / SQL block to display the details of clients who have made a loan with an amount more…

A: Please find answer to the above question below:

Q: For this problem create a table called instructor_course_nums. Write a procedure that accepts an…

A: Answer is given below .

Q: For this assignment you are assigned a task to develop a SOQL query to find name, id from the…

A: Field names: name, id Object name: opportunity

Q: Think about the foreign-key constraint on the instructor's department name property. Please provide…

A: Infraction of the restriction on the use of foreign keys: When the primary key that is being used as…

Q: This query is not correct as I'm still receiving this error. Msg 4145, Level 15, State 1, Line 15…

A: I attached your answer below.

Q: b) The following is the HTML code of a form: Student id: Student address: The form is…

A: Answer: <html> <body> <form action = "student.php" method = "post">…

Q: What exactly is the length attribute?

A: Length attribute (L'): The length property has a numeric value equal to the amount of bytes occupied…

Q: Create a SOQL Query to find out the child and parent record using Inline SOQL and keep in mind that…

A: Problem Description : SOQL stands for the salesforce object query language which is closely related…

Q: What does it mean to be transitive? Tables in the second normal form can be converted to tables in…

A: Transitive dependence: Before we can go on to transitive dependence, we need to first have a solid…

Q: 需

A: the complete SQL query is given below As the table names are not mentioned, we are assuming the 2…

Q: The following are the two postings lists for the query operating AND system: Operating: [3, 5, 11,…

A: Solution: Applying the MERGE on the standard posting list, comparison will be made unless either of…

Q: Answer the given question with a proper explanation and step-by-step solution. c. Create a…

A: An organized group of data that is kept and controlled by a computer system is called a database. It…

Q: 1. Create a PL/SQL function. The minimal requirements: using the cursor in PLSQL function, retrieve…

A: PLSQL table is used to hold the data in the PLSQL area for any processing. So, this serves as…

Q: CREATE schema parameter IS AS OR REPLACE procedure_name IN IN datatype call_spec OUT declare_section…

A: Syntax diagrams, also known as railroad diagrams, are a graphical way of representing a context-free…

Q: Think about the foreign-key constraint on the instructor's department name property. Please provide…

A: The answer for the above mentioned question is given in the following steps for your reference.

Q: Student Student ID, Name, DOB, email, Passwored 个个 Exam TExam ID, Name, Date. rel s Class…

A: Answer: I have given answered in the handwritten format.

Q: Think about the foreign-key constraint on the instructor's department name property. Please provide…

A: The foreign key constraint specifies a column can contain only values exactly matching existing…

Q: | The column value descriptor (CVD) contains a description of a column value. During field-encoding,…

Q: For this assignment you are assigned a task to develop a SOQL query to find name, id from the…

A: Introduction: In the given problem statement, we are given a task to develop a SOQL query to find…

Question

Please help with parts a,b for Part A and parts a,b for Part B in this frq question

Part A)
Convert the following expressions into DNF format (where ! is NOT)
a. (x+y!z)(!x+y+!z)
b. 1(ху)!(х+y)
Part B)
Are the following expressions satisfiable?
a. (x+y)(!x+!z)(!y+z)(x+!z+!y)
b. (x+y)(!x+!z)(!y+z)(x+!z+!y)(!x+y+!z)

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 5 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.

Similar questions

Hi, This is what I have, but I am stuck with what to write and not sure if my function is even correct, to begin with. Can someone show me a walk-through solution? MUST USE postgreSQL CREATE TABLE instructor_course_nums (ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25)); CREATE OR REPLACE PROCEDURE calculate_instr_course(ID VARCHAR(25), name VARCHAR(25), tot_courses VARCHAR(25))LANGUAGE plpgsqlAS$$BEGIN END;$$;
Develop recurrence relations for the last 3 columns of table 1. Use the recurrence relation you developed to complete the table for these months: • Month 59 • Month 60 • Month 61 • Month119 • Month 120 • Month 121 Show your calculations and completed table.
101. The basic operations that can be performed on relations are a. deletion b. insertion c. modification d. all of above
Think about the foreign-key constraint on the instructor's department name property. Please provide examples of additions and deletions that could go against the foreign-key restriction.
Can you explain what it means to be transitive? What is the rule for converting tables from the second normal form to the third normal form?
What does it mean to be transitive? Tables in the second normal form can be converted to tables in the third normal form, but what is the rule for doing so?
Composite datatypes can only have multi row &multi column values in them Answers: Yes No
Think about the foreign-key constraint on the instructor's department name property. Please provide examples of additions and deletions that could go against the foreign-key restriction.
Explain in brief only about the given syntax diagrams.
please help me to write the expression for these in access. please.