What characteristics do tables that conform to the concept of well-informed relations have? [ 1 b. Describe a dependency diagram and exnlain its purpose c. Normalize the relation given below [ Orde PartN a. Unit PartQ Supplie Suppli Suplli Suppl Nam Pric Suppli Supplier Order Part Num rDat umbe uantit rNumb erNam erStre ierCit erSate Zip e e y er e et y

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: Provide examples of relations that could have more than one candidate key.

A: Candidate key A candidate key is recognized as a "set of attributes" (or fields) with the ability…

Q: QUESTION 18 Match the term that best fits its definition. v Alternate Key A A minimal set of…

A: Find Your Matching Table Below

Q: Suppose you have been given the table structure and data shown in Table P6.9, which was imported…

A: Hey, since there are multiple sub-part posted, we will answer first three sub-parts question.

Q: Consider two relations Order and Product with the schema OrderDid, Odate, Pid, qty) and Product…

A: The answer is

Q: a. What characteristics do tables that conform to the concept of well-informed relations have? b.…

A: Actually all this three concept are related to database.

Q: How do you map a "Many to Many" relationship when mapping ER Diagram to Schema Select one: O a. Take…

A: How do you map many to many relationship when mapping ER diagram. Many to many relation happens when…

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: I have to generate a set of relations and functional dependencies which IS in BCNF, but IS NOT…

A: Answer is given below .

Q: Transform the given EER model into a set of 3NF relations. Use the format shown below for relations.…

A: 1. Write out the relations as given in the EER model. WRITER ( WriterId, FirstName, LastName, Age,…

Q: Hello,  I need help answering 1-4. Thanks.

A: This is the 1NF form.  1NF(DEPARTMENT_CODE, ADVISOR_ID, DEPARTMENT_NAME, ADVISOR_NAME,SCHOOL_CODE,…

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

A: As per our policy, we will answer the first question only since the exact one is not specified.…

Q: 1. Write its relational schema and draw its dependency diagram. 2. Label all transitive and/or…

A: DINNER ( MEMBER_NUM, MEMBER_NAME, MEMBER_ADDRESS, MEMBER_CITY, MEMBER_ZIPCODE, INVITE_NUM,…

Q: 1. Which of the following represents an iterative process of systems development in which…

A: As per guidelines we are suppose to answer 1st question  Prototyping is an exploratory cycle where…

Q: Describe the meaning of a Functional Dependency between attributes in a single relation A1 → A2. Use…

A: Functional dependency determines relationship between attributes of table dependent on each other.…

Q: PLEASE TYPE IF POSSIBLE OR WRTIE ELIGIBLY  Consider a relation X with six attributes WYSMFE where…

A: Given: PLEASE TYPE IF POSSIBLE OR WRTIE ELIGIBLY  Consider a relation X with six attributes WYSMFE…

Q: PAΥMENΤ Paymentld InstitutionName AcctHolderName(First, Last) {Payee} PaymentType "С" "В" CARD…

A: ENTITIES As per the given ERD, the entities are as follows. PAYMENT CARD BANK_ACCOUNT   PRIMARY KEY…

Q: der the fonowing felation. Computer_Repair(Comp_ID, Engineer_ID, Customer_name, Engineer_Name,…

A: Answer

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: Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of…

A: The steps are explained below.

Q: Draw the Dependency Diagram that is in 3NF for each relation. For each relation show the level of…

A: Although Second Normal Form (2NF) relations have less redundancy than those in 1NF, they may still…

Q: 13 of 40 Consider the following E/R diagram with isa relationships, noting that attribute a is the…

A: The correct relation for given ER diagram is ST(a,b,c,d)

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: 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: What is Entity relationship modeling produce an entity relationship diagram for the scenerio below;…

A: Entity relationship modelling is a conceptual model which mainly contains three components that are…

Q: Relationship Model for the hospital’s data model (Figure 1) in form of a diagram in Chen notation.…

A: Q.  You have been asked to design part of a database for a hospital. Thehospital managers provided…

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

A:

Q: A binary relationship that is one-to-many in an ERD is best represented by adding the primary key…

A: Lets see the solution.

Q: Q3- Draw an ER diagram of COMPANY database, that captures all the given below requirements. Specify…

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

Q: Transform the given ER model into a set of 3NF relations. Use the format shown below for relations.…

A: ENTITIES As per the given ERD, the entities are as follows. PAYMENT CARD BANK_ACCOUNT   PRIMARY KEY…

Q: Please TYPE IF POSSIBLE OR WRITE CLEARLY Consider a relation X with six attributes WYSMFE where WS…

A: 1. Primary key for the given relation is (W, S)  The FDs S -> YME This is partial functional…

Q: a. What characteristics do tables that conform to the concept of well-informed relations have? b.…

A: There are some characteristics for the tables that conforms the concept of well informed relations…

Q: A.What characteristics do tables that conform to the concept of well-informed relations have? B…

A: Lets see the solution.

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,…

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

A:

Q: An ERD has m number of entities (strong, weak, parent, child all combined) andn number of…

A: Data structure diagrams (DSDs) are similar to ER diagrams in that they focus on relations between…

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: Question 1: Normalization   Consider a relation X with six attributes WYSMFE where WS is a…

A: 1.

Q: StaffID ContractNo HoursPerWeek StaffName OfficeNo OfficeLocation 101 C90 16 Anne O25…

A:

Q: Using er assistant create an Entity Relationship Diagram(ERD) with appropriate entries, relevant…

A: -> An ER diagram shows the relationship among entity sets. -> In terms of DBMS, an entity is a…

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,…

Q: Please read this carefully and Draw an EER diagram for a database of a hospital following these…

A: Entity Relationship (ER) diagram. This section explains the requirements for our three example…