In which normal form (unnormalised, first normal form, second normal form or third normal form) is each of the below? Clearly motivate your answer. Tables below

Q: Display the list of students who are involved in the IT club Display the details of all the…

A: First get the studid from Club table and then get those Student details This can be done using inner…

Q: The Primary Key is (doctorID, patientID).   i. Explain why the above table is not in 2nd Normal…

A: Below is the answer with explanation:

Q: Write an SQL query to fetch common records between two tables. Write an SQL query to fetch records…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Q: List the property IDs of any pair of properties that have the same number of bedrooms. For example,…

A: In this question we have to write a SQL query for the given statement Let's query and hope this…

Q: What is the highest normal form (NF) for table "Person"     Select one: a. 2NF b. 1NF c. 4NF d.…

A: ANSWER :-- 4NF

Q: NVL to replace null value

A: The NVL function lets you substitute a value when a null value is encountered. NVL is a substitute…

Q: SELECT MAX(datediff(minute,start_time,end_time)) as "Longest_ride",…

A: Your SQL code contains error related to function datediff.

Q: For this problem create a table called instructor_course_nums. Write a procedure that accepts an…

A: Answer is given below .

Q: What is the main difference between UNION and UNION ALL?

A: Question. What is the main difference between UNION and UNION ALL? Answer. UNION and UNION ALL are…

Q: 4) Give the UML class diagram.

A: Note: As per Bartleby's policy, we can solve only one question at a time. Please repost the…

Q: group

A: SQL stands for structured query language and has a number of clauses to run queries. Major and…

Q: Please explain me about these by using key design half - subtractor by using key design…

A: Please refer below for your reference:

Q: Show all female’s first names and their salary.  Show the branchno that has a supervisor whose…

A: Relational database is a type of database which stores and provides the access to data which are…

Q: Write the correct term that matches the description below. Performs arithmetic operations (+, –,…

A: int a = 10; int b = 5; int result; result = a + b;     result = a - b;     result = a * b;…

Q: Please offer explicit examples of how calls and returns work into the overall structure.?

A: Calls and returns are fundamental concepts in programming that play a crucial role in the overall…

Q: queries

A: As per bartleby guidelines, we can answer first 3 queries of a question. please post the rest of the…

Q: Explain difference between procedure and function.

A: Procedures: They are collections of statements that carry out a particular operation or action in a…

Q: In cell N3, enter a formula using the IF function and structured references as follows to determine…

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

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

A: -The question wants to know which of the provided functions are one to one relation. Height to…

Q: What is the difference between scalar function and vector function in SQL DATABASE? Note: Question…

A: Answer ; Scalar is a user defined function that is written in SQL and it always return a single…

Q: What does the group by clause accomplish?

A: group by clause is used in relational database with select statement. In select statement group by…

Q: Explain the difference between single-row and group functions

A: Solutions: Group functions work on group of rows and return the  single result of the complete group…

Q: In EXCEPT (MINUS) queries, the order of operands matters, but in UNION queries, it doesn't?

A: Introduction: The MINUS operator is used to get result that appears the first table but not in the…

Q: what is MAXNUM constant ?

A: According to the question we need to solve what is MAXNUM constant.

Q: How do primary key, candidate key, and superkey differ?

A: In the context of relational databases, a primary key, candidate key, and superkey are all used to…

Q: C) Which employees earn less salary than the average salary for the consultants who perform the same…

A: According to the information given:- We have to consider the instruction to write queries on the…

Q: • Data Manipulation Language (DML): Develop the following SQL statements: o UPDATE statements to…

A: As per the given question, we need to write UPDATE statements to mark any previously unavailable…

Q: normalize the following Table into 3rd Normal Form.

A: Given :- In the above given question, the statements are mention below as,   Need to explain the…

Q: Identify for each table, the followings:  Foreign keys  Candidate keys  Primary key  Alternate keys

A: Let's discuss what are those keys :   Candidate Key: A single key or a group of keys that together…

Q: vii) Show the (car) types and the frequency at which each type has been used. Show most frequently…

A: vii. Query: select TYPE, count(*) as frequency from cargroup by TYPEorder by frequency desc

Q: Third normal form says: a. No nonkey columns depend on another nonkey column. b.…

A: • When a database is in the third normal form, it is assumed to be in the third normal form. If it…

Q: The order of operands is significant in EXCEPT (MINUS) queries but is irrelevant in UNION queries?

A: Yes, thia statement is true that The order of operands is significant in EXCEPT (MINUS) queries but…

Q: Given the following relation: Movie (MovieID, Title, Genre, Year) Write a PL/SQL block of code that…

A: Given:  Movie (MovieID, Title, Genre, Year) Write a PL/SQL block of code that performs the following…

Q: Below are some rows of the PROVIDERS table for a factory: PCODE 10192 98411 0489035 NAME Hans, Inc.…

A: Hello studentIn SQL querying, crafting precise SELECT statements is crucial to retrieving accurate…

Q: operands matters in

A: MINUS QueryA Minus Query is a SQL query that uses the MINUS operator to calculate the difference…