Assume you have two documents D1 = abccacab D2 = acacabca   a.) Find the 2-shingles of both documents (hints:  A 2-shingle is a k-shingle, with k = 2.  Also, remember that sets cannot contain duplicates)

Q: oner. a. union b. minus C. divide O d. intersect QUESTION 5 By defining a sequence (ids) with:…

A: Set operation are used to perform operation on its elements such as union, minus, intersect etc.

Q: Given the following decompose into tables in BCNF.

A: A relation is said to be in BCNF when all its functional dependency is of type X->Y where X is…

Q: Suppose in one of the database-application, the data of employees is arranged in the order small to…

A: Compare empid with the middle element. If empid matches with the middle element, we return the mid…

Q: Database: theatre(theatre_name[pk], City, Phone, Owner_SSN[pk, fk]) movie(movie_name[pk], Genre,…

A: SELECT Name, Gender FROM viewer WHERE Fav_Movie <>(SELECT movie FROM likes);

Q: a. Identify all dependencies, including all transitive dependencies. b. write a relational schema…

A:

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: We need to discuss if it is possible to have two clustering indices for different search keys on the…

Q: DBMS

A: According to our policy we solve first one only. ============================== About BCNF: the…

Q: Give examples of binary 1:N relationships, other than those in this text, for (a) an…

A: Given question has asked to give examples of binary 1:N relationships;      2. a) an…

Q: Explain the concept of domain-key normal form (DKNF) and its significance in the normalization…

A: Domain Key Normalization (DKNF) is a level of database normalization that focuses on maintaining…

Q: Contrast the term disjoint rule; overlap rule?

A: . Comparing and contrast the disjoint rule and overlap rule:

Q: Based on fragment of XML document, write XQuery query that returns category tag and price tag nested…

A: Here our task is to write XQuery for querying the data mentioned in the question from the XML…

Q: Sorry but I don't understand anything with your explication , can you please read the text and give…

A: This is not the correct solution as mentioned in the problem statement.   Here is the WRITTEN…

Q: Constructing a link such as second course may be done by starting with a number of connections that…

A: Introduction: Let's say we have a connection that was produced from a many-to-one relationship and…

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: Indices and its objective Indices offer a connection to data that has a particular value. Indices…

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: Indices and the function it serves: Indices serve as a connection to the data associated with a…

Q: List the name and phone number of all owners who do not show "Forrest Gump" in their theatres

A: A join of more than two tables is known as a multiple-table join. Its structure is identical to that…

Q: ss Boyce-Codd Normal Form (BCNF) and its relationship with 3NF. What are the conditions that a table…

A: When we talk about relational databases, normalization is an essential concept that aids in…

Q: Give Pros of Using Dynamic Views

A: Answer: A dynamic view is useful, since it provides a way to access part of a table or a…

Q: Decompositions using functional dependencies

A: I have answered this question in step 2.

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

A: Right Outer Join: When two tables are joined using Right Outer Join, all the records from the second…

Q: The following is a dataset of bridges in Pittsburgh. The original dataset was prepared by Yoram…

A: The objective of the question is to clean and prepare a dataset of bridges in Pittsburgh for…

Q: Explain the Dependency Trees in the Real World?

A: Dependency trees can be found in a variety of places in the real world. One example is in the field…

Q: Same-attribute primary and candidate keys are feasible.

A: The statement suggests the feasibility of having primary keys and candidate keys with the same…

Q: Let R(A, B, C, D) be a relation with FD's: A → B, C → D, AD → C, and BC → A. If we decompose R into…

A: Answer to the above question is in step2.

Q: 2NF and 3NF define key-based generic entities differently. Please illustrate.

A: Normalization is a method for streamlining databases that eliminates extraneous information and…

Q: Is it possible to utilize two clustering indices for different search keys on the same relation in…

A: Double Clustering: In essence, the two-way clustering method starts by obtaining three distinct…

Q: II. Let be the relational schema: Medicine (code, label) Patient (no-ss, name-p, address-p) Doctor…

A: Relational databases are widely used for organizing and managing structured data. They rely on…

Q: Assume you have two documents D1 = abccacab D2 = acacabca a.) Find the 2-shingles of both documents…

A: To find jaccard similarity, count the 2-shingles in common (A∩B) and count all the distinct…

Q: Separate the main key-based definitions of 2NF and 3NF from the generic definitions using the…

A: 2NF: This establishes the requirement that a relation be in first normal form and that it have no…

Q: Only submit the first one to elearning. This is the one I want You to submit on elearning 1 1

A: Please find the answer below:

Q: In this hypothetical scenario, you have access to a database listing the x, y coordinates and names…

A: Answer is explained below with explanation

Q: id name supervisor A John Joyce Jim Jennifer Peter D null E C E Write an SQL statement to list any…

A: We can achieve the desired result by doing self join of the Employee table

Q: If a set A has 7 elements, then the total number of possible relations on A is O 27 27 277 72

A: A set of N elements contains N2  ordered pairs of elements. Total possible relations will be 2N2…

Q: 3. Give a Z expression for the set of all people ih iblings in the database.

A: Z expressions are used for finding out the particular entries in a database using the regex pattern…

Q: write a report for Symmetric and Asymmetric Keys and should also include programming cods and…

A: Encryption is the technique of converting message to another form (cypher text) in to which it will…

Q: Problem 2. For this part, open swpub.rdf schema file in Protege then write and execute the following…

A: ANSWER:-