PlayerInfoPlayer IDPosition Player_Name Coach Player_Grade01FBEarlJoe3.002GJohnEd2.003FBTonyPete2.504TCarlJim2.005FBCarlJoe3.001GEarlEd3.0Player IDAPosition Player_Name Player_Grade CoachB1. Referring to the functional dependency diagram below, indicate the functional dependenciesdepicted by A and B.2. Referring to the table PLAYERINFO above, in what normal form is the relation?3. Referring to the functional dependency diagram below, systematically decompose therelation into a set of 3 NF relations.

PlayerInfo Table Overview The PlayerInfo table contains several attributes related to players and…

Answered: PlayerInfo Player ID Position…

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

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Given the reation R (A, B, C, D , E), with functional dependencies: A, B -> C D, E -> C B -> D Could you explain why this is not functional dependency preserving? Also could you work out the BCNF for this?
What is the difference between a weak and a strong group of entities?
For the table BOOKAUTHOR below you are given the following functional dependencies. BOOKAUTHOR (ISBN, BookTitle, Author_Num, LastName, Publisher, Royalty, Edition) Functional dependencies: 1. ISBN BookTitle, Publisher, Edition 2. Author Num → LastName 3. BookTitle → Publisher 4. {ISBN, Author_Num} → BookTitle, LastName, Publisher, Royalty, Edition Write the types of functional dependencies shown in (1) to (4) above. Also, decompose the table to the third normal from (3NF).
113. The template conclusion is a set of tuples that must be included in the relations in the template dependency called a. constraint generating templates b. tuple generating templates c. schema generating templates d. relation filtering template
Exercise 4: R1 = {(a, b) E R² | a > b}, the “greater than" relation, R2 = {(a, b) E R² | a > b}, the “greater than or equal to" relation, R3 = {(a, b) E R² | a < b}, the "less than" relation, R4 = {(a, b) E R² | a
The structure consists of several fields, each of which acts like a variable. Say you have a structure with two integer fields, x and y. You want to assign the value of x to a variable. What information flow constraints must be satisfied? Similarly, if you want to assign the entire structure to another, what information flow constraints must be satisfied? The question requires us to initialize a structure by ourselves, then we assume an assignment for this structure and consider what constraints this information flow must be satisfied. Here is an example structure in C:struct xyzzy {int firstfield;char secondfield[10];char *thirdfield;float fourthfield;};
We have a relation with the following attributes: R={A,B,C,D,E} and all the attributes are atomic. Primary key of this relation is AB. What is the normal form of this relation given the following functional dependencies: AC→D, AB→C, AB→D, AB→E Select one: a. First Normal Form b. This relation is not normal. c. Third Normal Form d. Second Normal Form
Describe the concept of functional dependency.
Give proper view
Reference: A --> B--> C QUestion? what is the defintion of this type of relationship and what is an example of it?
IN JAVA Describe a dependency relationship between two classes.
Please draw an EER diagram for the bank DB system. It requires to design & plan & document a bank system. Your EER model must include supertype and subtypes inheritance associations based on your initial ER model. Relationship constraints and completeness rules (discussed in the EER module) must be included. Requirements: Metadata: define what attributes (data) represent an object (i.e. account type) and data properties (data types, valid range of values, required vs. optional, etc.) Entities (objects): Account owner, dependent (joint family), Checking account, Savings account, Money Market account, loan account, or other banking objects, online account, etc. (suggestion: Define at least 10 entities) Relationships: customer deposit or withdraw money with account, and more. Identify the possible entity sets and their attributes, the relationships among the attributes.

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