a. What characteristics do tables that conform to the concept of well-informed relations have? b. Describe a dependency diagram and explain its purpose

Q: QUESTION 6 There will be three tables after converting the following conceptual diagram into the…

A: 6)  Answer :-- False It will converted into two table table A with two fields named field1 and…

Q: A- determine the type of relationships (generally) between: - orderNo : itemNo - date : orderNo B-…

A: The given problem is related to database normalization where the normalization is a process of…

Q: Consider the relation schemas R(A,B) and S(A,B). Suppose {A } is the key for R and also the key for…

A: Even though {A} is the key for both R and S, the union of R and S has the complete keyset, so here…

Q: When moving a weak entity from the ER model to relational schema, describe what makes up the primary…

A: Weak entity means entities that doesn't have their own primary key and is completely dependent on…

Q: a. Identify the business rules (types of relationships) represented in the following ERD. b. Convert…

A: Given Entity relationship diagram contains five entities that are Customer, Invoice, Line, Product…

Q: Given the following EER diagram, write down the corresponding relations using the method taught in…

A: The answer is

Q: Question: Consider the relation: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q), {A, B} is the…

A: R(A, B, C, D, E, F, G, H, I, J, K, L,M,N,O,P,Q) Candidate key: {A, B}, {C,D,E}Prime attributes Non…

Q: Map the ER diagram below to a set of relations (i.e., relational schema). Underline the primary key…

A: While converting an ER diagram to relational schema, we need to take care of relationship. For many…

Q: Assume that the following figure is a part of Database relation in University Information…

A: Introduction:- The given figure shows the database schema with 5 columns and their respective keys…

Q: 4-53. Figure 4-40 O shows an EER diagram for a university dining service organization that provides…

A: The given requirements below are done  in below sections  Conversion of the given ERD into…

Q: Which functional dependency violates the 3NF requirements in a relational schema where attributes

A: A functional dependency of type X -> Y where both X and Y are not key of the relation is said to…

Q: The type of algorithm in which decomposition of relation schema is constructed from other specific…

A: Certain algorithms are used to create relational decomposition from a set of relationships in…

Q: :One of the following statements is true regarding normalization .Normalization is a top-down…

A: Lets see the solution.

Q: .The properties of an entity is called _____________Single choice.   (1 Point) Entity set…

A: THIS IS A MULTPLE QUESTION BASED PROBLEM. ONLY FIRST QUESTION IS SOLVED. KINDLY SEND THE REMAINING…

Q: 1. To keep track of students and their advisors, a university uses the table structure shown below.…

A: Note: As per our company guidelines we are supposed to answer only first 3 sub parts. Kindly repost…

Q: Which is the process of breaking a relation into multiple relations: a. Functional dependency b.…

A: This mcq is related to RDBMS.

Q: fy the Functional dependencies c) List down the keys

A: Question   a) Split Composite attributes (where needed / if any)b) Identify the Functional…

Q: ID library_item title N publishes magazines journal conference_proceeding book publisher date_of…

A: Primary key attributes- magazines- date of publish, date, id journal-volume, number, id book -…

Q: d) Both a and b . Suitable level of partitioning is found within the range of a) Tuple and attribute…

A: Actually, partitioning is splitting the database table into many tables.

Q: Consider the following relational scheme: X1 A1 A2 X2 АЗ А4 A5 The attributes that are part of the…

A:

Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age,…

A: Answer to the given question: choice(a) First Normal Form The given relation will be in first normal…

Q: Consider a relation named as BOOK that contains data about the books in a library. BOOK relation was…

A: Dear Student, It's in first normal form as all the values are atomic ie does not contain multiple…

Q: Computer Science: Why normalized relations may not impair the efficiency of a physical…

A: The answer :

Q: 1.Consider the relation schema given in below fig. Design and draw an ER diagram that capture the…

A: A diagram that is used to describe a structure of a database is called Entity Relation Diagram. A…

Q: reate a dependency diagram based on this ERD.  Decompose the relation in the resulting dependency…

A: If  а  relаtiоn  is  in  3NF,  it  meаns  thаt  the  dаtаbаse  is  in  the  2NF  аnd  there  аre  nо…

Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age, cno,…

A: Given dependencies are: A -> B, CC -> FD -> E Given relation: R(A, B, C, D, E, F)   Since…

Q: Lab 3: Normalization Assignment: Problem #11 from Chapter #6. (Be sure to note that this is PROBLEM…

A: The relation schema for the table structure is given below, CHARTER (CHAR_TRIP, CHAR_DATE,…

Q: Consider a relation X with six attributes WYSMFE where WS is a composite primary key for X. Assume X…

A: The handwritten solution is provided below:-

Q: An entity-relationship diagram (ERD) is a specialized graphic that illustrates the relationships…

A: The solution for the above given question is given below:

Q: Normalise the following relation to remove modification anomalies showing all steps for 1NF, 2NF and…

A:

Q: Consider the following relation with functional dependencies as shown below. R{sno, sname, age, cno,…

A: Given:

Q: Question 10. Consider the relation R (ABCDE) and functional dependencies set {A → B, B → C, C → D, D…

A: In this question 10, we are given a relation R and set of functional dependencies. We are asked the…

Q: Which of the following best describes a relationship in which each instance of data in one entity…

A: Explanation:   a. one-to-one - here each instance of data in one entity is described by one instance…

Q: A college wants you to help design a star schema to record grades for courses completed by students.…

A: Here we make simple star schema : Answer 1:…

Q: a) Maya Media owner plans to build a Java program which uses an input file for storing the…

A: a) Maya Media owner plans to build a Java program which uses an input file for storing the…

Q: 1. Write the relational schema, draw its dependency diagram, and identify all dependencies,…

A: HERE IS COMPLETE SOLUTION REGARDING YOUR PROBLEM :

Q: a) Maya Media owner plans to build a Java program which uses an input file for storing the…

A: a) Maya Media owner plans to build a Java program which uses an input file for storing the…

Q: a. Write the relational schema and draw its dependency diagram. Identify all dependencies, including…

A: Actually, database is used to stores the data.

Q: According to what you understand, what is the relationship between Functional Dependency and…

A: 1.The relationship between Functional Dependency and Normalization 2. Partial dependency and…

Q: Develop an Entity Relationships Diagram (ERD) based on the relational schemas in the 3NF for the…

A: For a relation to be in 3rd Normal Form or 3NF following conditions need to be met: Each table cell…

Q: Why is it that normalized relations do not jeopardize the efficiency of a physical implementation…

A: That normalized relations do not jeopardize the efficiency of a physical implementation structure…

Q: Produce a relational schema diagram that corresponds to the linked ER diagram for a database for the…

A: The given is a database problem where the relational database is to be created based on the given…

Q: Which formal method that locates and analyses relation schemas on the basis of their primary,…

A: Normalization that locates and analyses relation schemas on the basis of their primary, candidate…

Q: A. For each table, identify the primary key and the foreign key(s). If a table does not have a…

A: Hey there, I am authorised to answer 1st 3 part of the question at a time when there are multiple…

Q: :One of the followings is NOT a step to transforming an ERD into normalized relations normalize the…

A: Answer is denormalize the relations .b

Q: a) Why is normalization important in database design?

A: Actually, Normalization is the process of organizing the data in tables in such a way that the…

Q: Table: Student Table: Participate Table: Course studentld address studentld courseld courseld…

A: There are five relational tables in the given database. These tables are as follows. 1) Student 2)…

Q: 15- Consider the following Entitiy Relationship diagram. Which of the following relation will not…

A: In the given ER diagram, the relationship between 2 entities is m:n In case of m:n relationship,…