:One of the followings is NOT a step to transforming an ERD into normalized relations normalize the relations a denormalize the relations b O represent entities .c O represent relationships d O

Q: Translate the following ER diagram into the appropriate relational schema

A: ER diagram consists of entities with their corresponding attributes and relationships among…

Q: Material : Relational Algebra Course : Database Systems Create a Relational Algebra From Entity…

A:

Q: A attribute in a relation is a foreign key if the _______ key from one relation is used as an…

A: A foreign key is a key used to link two tables together. This is sometimes also called as a…

Q: The following two questions involve the three relations below: 1. R(a, b) = {(0, 1), (4, 5), (8,…

A: The Answer is

Q: In mathematical term Table is referred as a. Relation b. Attribute c. Tuple d. Domain

A: In mathematical term Table is referred as a. Relation b. Attribute c. Tuple d. Domain

Q: 3. Suppose you are asked to build a database application P for a bicycle rental shop. Assume your…

A:

Q: def distance_between_entities(entity1, entity2): """ compute the haversine distance between the two…

A: import numpy as np def distance_between_entities(entity1, entity2):    lat1 = entity1[3]    lon1 =…

Q: 110. Goals for the design of the logical schema include a. avoiding data inconsistency b. being able…

A: Goals for the design of the logical schema include: a. avoiding data inconsistency b. being able to…

Q: The bus ticketing report shown above displays snippet of the daily transactions. Based on this…

A: The given table is a dataset that stores the route, ticket, customer and travel dates for a bus…

Q: Hotel Schema Hotel  (hotelNo, hotelName, city) Room  (roomNo, hotelNo, type, price) Booking…

A: Actually, relational algebra is a procedural query language.

Q: In mathematical term Row is referred as a. Relation b. Attribute c. Tuple d. Domain

A: In SQL and other relationship databases,

Q: 2.1 In which Normal Form is the above table? Explain how you arrived at your answer. 22 Explain the…

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

Q: Given the following relational schema (Hint: the bold text represents a primary key), Department…

A: Lets discuss the solution in the next steps

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

A: Lets see the solution.

Q: e a 1NF relational schema and identify the partial and transitive dependencies. b)Write the…

A: )Write a 1NF relational schema and identify the partial and transitive dependencies. b)Write the…

Q: 32 of 40 Suppose attribute A is a key in the relation R. Which of the following statements is not…

A: Attribute A is a key in given relation R. And we have to check, which statement is not correct in…

Q: Indicate all the functional dependencies and the normal form for each relation

A: The functional dependencies are the unique relationships between the attributes. For the table given…

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: Given the following relational schema (Hint: the bold text represents a primary key), Department…

A: Here we need to join the relation Department and Professor on the condition department.deptCode =…

Q: I) Map the ER diagram created in exercise E.2.2a into a relational schema. II) Show several records…

A: Solution:   a.        DOCTOR Relation   DoctorID DoctorName DoctorYrMDGraduation OLID…

Q: Implement a new independent entity phone in the Sakila database. Attributes and relationships are…

A: The diagram uses Sakila naming conventions. Follow the Sakila conventions for your table and column…

Q: Three relations are given to you, R1(A, B, C), R2(C, D, E), and R3(E, F). The primary keys for R1 ,…

A: a)  Consider the given three relations r1, r2, and r3. • In relational algebra joins exhibit the…

Q: Database design Design your database using ERD convert your ERD to Relational Model (RM) Normalise…

A: Database design has been developed  for a customer order system as a scenario. Primary keys are…

Q: 8. Data Manipulation Language enables users to: a. Retrieve information stored in database b. Insert…

A: As per the QNA policy, only first question is answered: i.e 8th   8. Data Manipulation Language…

Q: The number of tuples in a relation is referred to as

A: We are given a question related to DBMS and we have to complete the given statement. The question is…

Q: 33. The partitions of the database into fixed length storage units are called as __________ a.…

A: please see the next step for solution

Q: 3. a) A relation that does not have a composite primary key still has partial functional dependency.…

A: Answer: Answer -3(a): The correct answer is 1. TRUE Explanation:  Yes, the relation is uniquely…

Q: Part 2: Use the following relations to answer question 4. RO R1 a bc d 1 2 2 1 2 3 12 2 4 7 3 1 2…

A: Solution ::  resultant table is   create table R0( a int, b int, c int );   create table R1( b int,…

Q: domain relational calculus;

A: Domain Relational calculus: It is a non procedural query language that describes a query but does…

Q: 2. Explain the difference between a partial and a total function. 3. Explain the difference…

A: Ans1.) Set:- A set is a representation of a group of items, each of which has one or more common…

Q: 18. The relation with the attribute which is the primary key is referenced in another relation. The…

A: Please find the answer to the above question below:

Q: . The basic operations that can be performed on relations are a. deletion b. insertion c.…

A: There are three basic operations that can change the states of relations in the data-base: Insert,…

Q: Write a relational calculus based on the following relations: Professor (ProfID, ProfName, DeptNo)…

A: department (deptId, name, hod, phone) professor (empId, name, sex, startYear, deptNo, phone) course…

Q: database Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F 2…

A: Division operator A÷B can be applied if and only if: Attributes of B is proper subset of Attributes…

Q: Given the relation below named Student_Registration , answer the following questions. S_id…

A: Relational Schema: A relational schema in a database gives a outline of how data is organized in a…

Q: Any relation that is not part of the logical model, but is made visible to a user as a a)Absolute…

A: 6.Any relation that is not part of the logical model, but is made visible to a user as a Any such…

Q: Which of the following functional dependencies are satisfied (and not satisfied) by this relation…

A: Here in this question we have given. Stones FDs and we have asked that which of the following FDs…

Q: entities: Residential students which fields like student id, Student name, exam papers Transfer…

A: Given entities: Residential students which fields like student id, Student name, exam papersTransfer…

Q: . Foreign key is the one in which the ________ of one relation is referenced in another relation. a.…

A: In DBMS, keys are used to uniquely identify data in a table. Multiple keys from different tables can…

Q: A relation is a function only if any two first values in the pairs are the same. True or False

A: Given: A relation is a function only if any two first values in the pairs are the same. True or…

Q: Assume that you have the following relation; R(a,b,c) a   b  c ---------- 1  A   F 2  B   M 3…

A: Degree is the total number of attribute/fields of a relationship/table. cardinality is the total…

Q: S, (3) C in U is a foreign key to T, (4) these relations do not contain size (i.e., the number of…

A: Here below, I am unable to use the join symbol used in the question. Hope you are able to…

Q: Find all information of sailors who have reserved boat number 102. Find the names and ages of…

A: I have answered all the 3 parts and have uploaded image for it. steps: First we will join Boats and…

Q: Create ERD of a hospital with these requirements "and then" write relation schema (underline primary…

A: We need to solve: Create ERD of a hospital with these requirements "and then" write relation schema…

Q: I) Map the ER diagram created in exercise E.2.2a into a relational schema. ЕЗ.5а II) Show several…

A: Relational Schemas: E3.5a: Mandatory participation on the 1 side: There are no nulls in the DOCTOR…

Q: Q2/ Map your ER into a relational schema. All constraints must be included: Primary keys (PK)…

A: Relational schema of given ER diagram PUBLISHER(name,Phone(primary key), Address) BOOK(Book_id…

Q: Normalize the following given data to 1/2/3 NF. State the relations schema after every…

A: The key for the given relation is (SID, CID)  The FD's possible are SID->s_name,  CID->C-name,…