Which of the following statements is not true? O a. First normal form (1NF): Table formar, no repeating groups, and PK identified. O b. Second normal form (2NF): 1NF and no partial dependencies O . Third normal form (3NF): 2NF and no transitive dependencies d. Boyce-Codd normal form (BCNF): Every determinant is a candidate key (special case of 3NF). e. Fourth normal form (4NF): 3NF and no dependent multivalued dependencies.

Q: 1. Specify an operation to return the set of all people who have any one of the following…

A: First you should know about the relations in prolog Relations in Prolog In Prolog programs, it…

Q: The following normal form preserves all functional dependencies A. 4NF B. 3NF…

A: EXPLANATION: Other than a candidate key, the fourth normal form (4NF) is a level of database…

Q: Let R(A, B, C, D, E, F) be a relation with FD's: {D → C, C → D, D → E, C → E, E → AD, AF → E, D →…

A: Let R(A,B,C,D,E,F) be a relation with FD's  :…

Q: Fill in the blanks with the appropriate words from the options given. Aggregate functions can be…

A: Aggregate functions perform operation on set of values and return a single output.

Q: Let R(A, B, C, D, E, F) be a relation with FD's: {D → CE, C → BDE, E → AD, AF → E, B → D Which of…

A: Candidate keys is {F} Here for X->Y, the relation will be in 3nf if X is a super key or Y is one…

Q: Consider the following DTD. All unspecified elements are #PCDATA. ... ]> Write the following…

A: The query for the above 3 subparts i have provided in handwritten mode because it contains some…

Q: ) Consider the following DTD. All unspecified elements are #PCDATA. ... ]> Write the following…

A: Answer: our guidelines is answer the first three question from the first question.

Q: A database has four transactions. Let min.sup = 60% and min.conf = 80%. items_bought (in the form of…

A:

Q: a)+Listthe salesman id, rating and names of those 'salesmen who ʻgetrating from 3 to:5, sorted…

A: I am going to answer all the 3 parts and I am directly pasting queries here which you can directly…

Q: Let R(A, B, C, D, E, F) be a relation with FD's: {D→ CE, C-→ BDE, E→ AD, AF→ E, B→ D}. Which of the…

A: The given functional dependency is, { D -> CE , C -> BDE , E -> AD , AF -> E , B -> D…

Q: Let R(A, B, C, D, E, F) be a relation with FD's: {D → C, C → D, D → E, C → E, E → AD, AF → E, D → B}…

A:

Q: Your implementation must directly follow a comment with a specification of a subtask. (1) First,…

A: According to the company policy, we can answer up to 3 subparts only, Answers to these 3 subparts…

Q: Which of the followings describe the relationship between “super key” and “candidate key”?

A: Super key and candidate key A super key is an attribute or a set of attributes that uniquely…

Q: (uata types are HOT ITCUCU). SalesPerson (salesPersonId, salespersonLastName, dateOfBirth, gender,…

A: Solution:   3.1)   3.1.1)   SQL Query:   SELECT salesPersonId,  salespersonLastname from…

Q: 3. What will be the height of the following recurrence relations? a. T(n) = T (=) + T + cn b. T(n) =…

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

Q: 1) Consider the following DTD. All unspecified elements are #PCDATA. ... ]> Write the following…

A: The xml query for the d,e,f is given below

Q: Which of the following statements are true with respect to the UML diagram shown below? A B a. If an…

A: We need to find the correct answer between 4 given options for the given image. The arrow used in…

Q: Identify the errors and re‐write the correct code: set serveroutput on   c_id…

A: Answer: I have fixed error in select statement in where condition, I have used as you can see below…

Q: Briefly explain the difference between a nested if statement and a lookup function using a lookup…

A: Given: Briefly explain the difference between a nested if statement and a lookup function using a…

Q: (a) Write a program to add multiple employe details with validation Employee Details - ID - Name -…

A: As no language has been mentioned, C language has been used to design the code.

Q: Order By/Functions Using the database provided, Write and Execute SELECT statements to get the…

A: Answer: Our instruction is answer the first three part from the first part and I have given answered…

Q: Write an SQL query to print details of Workers with DEPARTMENT name as “Admin”. ii. Write an SQL…

A: like operator: The LIKE operator is used in a WHERE clause to search for a specified pattern in a…

Q: Write an SQL query to print details of Workers with DEPARTMENT name as “Admin”. ii. Write an SQL…

A: select* from Worker where DEPARTMENT = 'Admin';

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

A: A relation is said to be in the third normal form if only if the relation is in both first normal…

Q: SQL   give the algebraic form of these queries:   //agregation select count(enfant_id) as "nombre…

A: We have to write the algebraic form of the following queries:  select count(enfant_id) as "nombre…

Q: (i) mgr=null, ename=3rd character is N, not known anything else (ii) Give single example with sql…

A: SQL has a large number of character functions.Manipulative Character Functions CONCAT, LENGTH,…

Q: 3. Create a table for student mark list and insert the values for name, id, m1,m2,m3,m4,m5, total…

A: Since there is no programming language and approach mentioned we will be using C++ and object…

Q: man fective tri er firstly you will provide him the effective way to call the lelete. So, the…

A: Given:

Q: Given the following list: names =["Yoongi", "Seokjin", "Namjoon", "Tachyung", "Jungkook"] %3D What…

A: The list is a data structure that stores various types of data separated by commas. the indexes…

Q: Write SQL statements and relation algebra for following: Student( Enrno, name, courseId, emailId,…

A: This activity is utilized to select lines from a table (connection) that indicates a given…

Q: Write SQL statements and relation algebra for following: Student( Enrno, name, courseId, emailId,…

A: The SELECT statement is a DML(data manipulation language ) command used to retrieve desired columns…

Q: Discuss the difference between a Superkey and a Secondary key

A: Database Management System(DBMS) is a software for storing and retrieving users data while…

Q: From the Salesman and Customer tables below, write SQL statements to do th following: a) List the…

A: Actually, SQL stands for Structured Query Language.

Q: For each of the following pairs of expressions, give instances of relations thatshow the expressions…

A: R = {(1, 2)}, S = {(1, 3)}

Q: The following code, using semaphores, will result in what kind of problem mutex.acquire();…

A: Given the following code we have to choose what kind of problem in the four options

Q: S --> T: S.val = T.val S --> x: S.val = x.val T --> S+S: T.val = s1.val + S2.val here x and + are…

A: The correct answer to the given question is option "a""27"

Q: Questi on 1: Consi der the fol l owi ng schema: Suppl i er s( si d: i nteger, sname: stri ng, addr…

A: Following schema is given :  Suppliers(sid: integer, sname: string, address: string)…

Q: For the following database scheme Employee(empNo, fName,IName,address,DOB,sex,position.deptNo)…

A: The following Relational Algebra produces the list of names of all employees who work on the SCCS…

Q: The essential condition of third normal form is automatically satisfied whenA) a table has only one…

A: To solve this question a user have to know the definition of Third Normal Form (3NF):Third Normal…

Q: 9. Write a SQL query, that gives all employees in department(Dno) 5, a 5% raise in salary.

A: Here I written SQL query with proper example to understand. I hope you like it.

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: Is it ever a good idea to use composite primary keys? What are your thoughts on using composite…

A: Composite primary keys are a special type of primary key.

Q: What is the difference between delete and delete[] C++ operators? When should each be used?

A: DIfference between delete and delete[] operators in C++ is given below:

Q: Does a foreign key have to refrence all the primary key fields of another

A: Primary key is an attribute or group of which uniquely identifies each row of the table.  Foreign…

Q: . Which of the following relation is a one-to-one function? Write your answers on the space…

A: The term one-to-one relationships alludes to relationships of two things in which one can just have…

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: Answer question 17, 18, 19 showing fully all the steps. Solution should be perfect(very correct),…

A: 17) option A is correct              A n B = A AND B                         (n is a symbol of AND…

Q: Using the following entity information, the primary key of the student who lives in Eastpoint, FL…

A: A primary key is an unique field in a table which is used to identify a particular record in a…

Q: Which of the following can contain partial or transitive dependencies but has no repeating groups?…

A: The mechanism of arranging data in a database is known as normalization. Normalization is a…

Q: Which of the following can contain partial or transitive dependencies but has no repeating groups?…

A: Which of the following can contain partial or transitive dependencies but has no repeating groups?