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Q: Movies (Movie id. Title, Year, Rating, Num_rating) Movie Cast(Movie id. Name, Position_of_cast)…

A: Introduction : A SQL query is given here,we have to find out ,what will be returned by this query.

Q: Which relational algebra operators can be used to join a pair of tables that are not…

A: Introduction: Relational Algebra: It is a procedural query language that accepts a Relation as input…

Q: Because the order of operands (tables) matters in an EXCEPT (MINUS) query but not in a UNION query,…

A: - We need to talk about the difference in using EXCEPT and UNION queries.

Q: IN SQL, POSTGRESQL. For customer, product and state, show the average sales before and after each…

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

Q: What is the condition for any table to be in first normal form.

A: A relation/table is said to be in First Normal form(1NF) if it does not contain any multivalued…

Q: Note that primary keys are in BOLD. Note also that attributes with the same name in different tables…

A: Here have to determine about SQL statement of given problem statement.

Q: Why is it necessary to apply the normalization process to the tables created according to your…

A: Lets see the solution.

Q: Normalize the following unnormalized table using the three normalization rules and describe each…

A: Dear Student, The three normalization rules are nothing but the normal form conversion of the table,…

Q: final BTree.

A: Given : A list or elements given   Need to create a Btree  insert and delete operations The required…

Q: Explain Disallow null keys in fact tables?

A: In data warehousing there are two types of tables are used: Fact Table Dimension Table Fact Table:…

Q: Using the Online SQL Editor, answer the following question with screenshots. Link:…

A: To create a new table named "Production" with the specified columns and constraints, you can use the…

Q: This question is based on the following relation and sample data, where Employee Social Security…

A: Actually, database is a used to stored the data.

Q: Using Normalization technique decompose the above un normalized relation to reach the 3NF, clearly…

A: The given relation is not in 1NF as it contains repeating groups in the form of multiple order…

Q: encies that exist in the following table and then convert this table to an equivalent collection of…

A: A functional dependence is a constraint between two sets of attributes in a relation in a database…

Q: hay have any number of Pets, who are identified by a sequential number that carts at 1 for each…

A: SQL query for Client table:- Create table Client (ClientID int(20) (Primary key), FirstName…

Q: What does it mean to be transitive? Tables in the second normal form can be converted to tables in…

A: Transitive dependence: Before we can go on to transitive dependence, we need to first have a solid…

Q: the HR department needs the department name, manager first name, manager last name, and job title.…

A: SQL: SQL stands for Structuref Query Language. It is used to access and manipulate the database…

Q: query in relational algebra to find the ID and the brand of those trucks whose type is S.

A: It is procedural query language. It collects instance of relation as input and fives occurrences of…

Q: fundamental operations of relational algebra.

A: relational algebra : The relational algebra is a theoretical procedural query language which takes…

Q: If something is transitive, what does that entail? What is the rule for converting tables from the…

A: Answer is

Q: Use the following un-normalized data and prepare a set of tabled that is in its third normal form.…

A: Objective: Given a relation as follows, SO# Date Item# Description QTY Unit price Cust # Cust…

Q: The degree is the number of tuples in a relation. Select one: a. False b. True

A: Relational Database: Table is called as relation or file. Row is called as tuple. Column is called…

Q: Explain how the terms parent table and child table relate to the tables in your answer to question…

A: Given: Explain how the terms parent table and child table relate to the tables in your answer to…

Q: there is always at least one primary ke

A: Step 1: A primary key is required for each database table because it ensures row-level…

Q: 19. The following code refers to the sample data in the table people. What is the result of each…

A: Note: - As per the guidelines we can only answer one specific question at a time. Please resubmit…

Q: What does the table adapter have to do with the data source?

A: The table adapter is a component in a software application that serves as a bridge between a data…

Q: Note that primary keys are in BOLD. Note also that attributes with the same name in different tables…

A: Solution:   2.3)   Treatment table before increment by 2.5 % in costOfTreatment :

Q: Table

A: A database is made out of multiple tables and each table holds the data.

Q: How many patients in the database have been diagnosed with acute bronchitis (ICD9Code = 466) and…

A: Count Query :- SELECT COUNT(column_name) FROM table_name WHERE condition; Groupby Query :-…

Q: This is the problem: (from Database Systems Book, 13th ed) Write a query to display the author last…

A: Create table AUTHORS_OF_BOOKS using the below query: SQL QUERY: /* Create a table called NAMES…

Q: How many primary keys in one table in logical model?

A: In logical model,nothing but relational model One Table has only ONE primary key. There are one or…

Q: 15. List the first name for all contacts and whether they have a spouse or not (yes/no). Order by…

A: Structured Query Language : SQL ( Structured Query Language) is an area explicit language utilized…

Q: Explain the relationship between EXISTS and correlated subqueries.

A: Given: Explain the relationship between EXISTS and correlated subqueries.

Q: A table that contains a repeating group is a(n) unnormalized relation a O 1st NF b O normalized…

A: Lets see the solution.

Q: In what situations might the union operation of two tables be used?

A: Union Operation: The UNION procedure frequently removes any duplicate rows that arise due to its…

Q: plai

A: Correlated subqueries For each row processed by the parent statement, a connected subquery is…

Q: 1. Which courses are three-hour or over courses? 2. Which courses offered by Department 7 are…

A: SELECT statement is used to retrieve data from a table. Syntax: SELECT    column1, column2, ...FROM…

Q: Describe an example in which you would want to use a derived table.

A: The SQL Derived Table is nothing but a Subquery used in the From Clause. For this SQL Server derived…

Q: The foreign key in the table adult is called a foreign key.

A: Referential Foreign Key

Q: Compile a list of six operators that may be utilised while building LINQ queries.

A: LINQ: Define LINQ is an acronym for Language Integrated Query and is a component of Microsoft's.NET…

Q: Explain why it is beneficial to first go through the normalization procedure and then denormalize.

A: Let's First Know About the Normalization: Normalization : It is the process of efficiently…

Q: Consider the following expressions, which use the result of a relational algebra operation as the…

A: ANSWER:-

Q: Using the functional dependencies, convert the following table to an equivalent collection of tables…

A: Dear student, the answer is provided below.