Consicer the foloning cata satie named Student Student ane Nuber Sex Nina Mike Nelson 1234 N 234 Here sanoer data tabie named Teaching Assistants Suject 1 Physies Chelstry 342 Mathematics 24 What is the count of rows returned in she folowing join operation? Studentater Teaching Assistants Only erter asinge integer. De not include eny etre spces or nelines.

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: Given the following SQL query: o Student (sid, name, age, address) o Book (bid, title, author) o…

A: Here have to determine about sql query.

Q: Connider the following structure of an 'inventory' Oracle database. s nan eulomer ... BALEMAND NAME…

A: Lets see the solution.

Q: Propose and explain good indices (tree, hash, cluster, etc.) to support the following query. You do…

A: Below i have explained:

Q: ven a sequence of integers A1, A2,..., AN and a lid integers p, q, let's define F(p, q) as the dot…

A: Below is the detailed python code for the given problem statement:

Q: 12. Which of the types of indexable data structures allow any hashable data type (basically those…

A: According to the information given:- We have to find which one is the type of indexable data…

Q: STU_NUM STU_LNAME STU_MAJOR DEPT_CODE DEPT NAME DEPT PHONE 211343 Sanders Finance, Statistics ACCT…

A: 1) Anomalies are a kind of situations which lead to uncertainity in the database. Data will not be…

Q: Describe how to incrementally maintain the results of the following operationson both insertions and…

A: Describe how to incrementally maintain the results of the following operationson both insertions and…

Q: Given the following query SELECT StudID, CourseTitle, Credits FROM Enrollment, Course WHERE…

A: d) hash-based index on Course.Credits

Q: Studentr (sid: integer, sname : String, major:smng Takes (sidistring, Cid: Sting, grade :Stnng)…

A: Given:  Students(Sid: integer, Sname: string, major: string) Takes(Sid: integer, Cid: string,…

Q: Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has…

A: Hash join: Let assume no overflow occurs. Since, “r1” is smaller, the user uses it as the build…

Q: 36. In a relation a. Ordering of rows is immaterial b. No two rows are identical c. a and b both are…

A: Given that, 36. In a relationa. Ordering of rows is immaterialb. No two rows are identicalc. a and b…

Q: 1. You may use given table data. 2. Add to emp one row at a time using the insert into syntax. EMPNO…

A: The solution which is given is that :- The table data given for inserting.Add one row into EMP…

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: A JPJ department wants to maintain a database of up to 1800 license-plate numbers of people who…

A: Data structure: A data structure can be understood as a specific way of organizing data in a…

Q: 2. Each student at Middlesex County College takes a different number of courses, so the registrar…

A: package xyz;public class Course { private String courseName;private String sectionNumber;private…

Q: What happens when I click OK?

A: Solution: Given: As per the given details

Q: 10. Hash Table size = 13 Hash Function = H (x) = x mod 13 Collision Resolution = Quadratic probing =…

A: The Answer is

Q: 1) 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: Question 36 Which one of the following is true about SHA 256 Hashes: O They include letters and…

A: SHA 256 is 256 bits long as the name indicates. Since SHA 256 returns a hexadecimal representation,…

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: Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has…

A: Block nested-loop join: The “r1” needs (20000/25)=800 blocks and “r2” needs (45000/30)=1500 blocks.…

Q: Homework2 1) A database has 5 transactions. Let min sup = 60% and min_conf = 80%. %3D items_bought…

A:

Q: In Chapter 13, lab problem 5 of Database Systems and Management. I am using inputting the code:…

A: The ROLLUP clause is an extension to GROUP BY clause, which is used to generate subtotals and grand…

Q: There are N numbers of visitors in Muscat festival, Manager wishes to search particular visitor…

A: Given there are N number of visitors and manager want to search using visitor Id. So let us consider…

Q: All of the following are algorithms to evaluate join, except: a. Nested loop       b. Index-nested…

A: Answer :  The B+ tree is a fair binary pursuit tree. It follows a staggered list design. In the B+…

Q: Let relations r1(A, B, C) and r2(C, D, E) have the following properties: r1 has20,000 tuples, r2 has…

A: A nested loop join is a naïve algorithm that contains a pair of nested for loops. To perform this…

Q: Choose all of the correct superkeys.) Find all superkeys of the DEPARTMENT relation. Its primary key…

A: Super key means a set of one or more attributes which uniquely represents a tuple. Given primary key…

Q: Explain what the following SQL statements do. SELECT COUNT(PatientiD) FROM Patient_t AS PA INNER…

A: There are two tables we are using here Patient_t which is referred as PA Physician_t which is…

Q: 1 a-1 for i in (Datai.head(200) and Datal.tail(200)): if 1(-2] not in a: a. append(i[-2]) b.…

A: It is defined as an interpreted, object-oriented, high-level programming language with dynamic…

Q: PLEASE TYPE IF NOT TYPE THAN DO NOT DO IT*** DO ALL 3 (B VIA D)**** Exercise 8.4.1: Composition of…

A: Given :     Here are two relations defined on the set {a,b,c,d} S={(a,b),(a,c),(c,d),(c,a)}…

Q: QI. Comsider relation RARCDE The following fnctional dependencien are amed to hold over R ARC (What…

A: Given R(A,B,C,D,E) The following functional dependencies hold over R: A->B,C B->D a)Key of R:…

Q: convert UNF for 1NF to 2NF to 3NF, progressively. UNF: Order(OrderID, OrderDate, CustID, CustName,…

A: The given table, Order, is unnormalized.   FIRST NORMAL FORM (1NF) The first normal form only…

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: Explain in detail the syntax and functionalities of the following Mongoose code:…

A: x.findOneAndUpdate({"clientID": req.query.clientid}, {"status": req.query.status}, {new: true},…

Q: The programmer will design a simple point table lookup and update application. The table contains…

A: The following methods are needed for writing the python program: makeDicFromFile()- This method…

Q: Use the following diagram to answer the proceeding questions (4, 5) nodeType *list, *first,…

A: According to the given diagram below are the answers: - p->link->link==current The pointer p…

Q: ISKier the SALEMAD NAME MUMERIC (8) WICHAR) wCHAR (16 DECMALD aSTOMERD MERC(S) CUT NAE CHR ( CITY…

A: The required query is given in step 2.

Q: Xn+1 = X + 0.25 Based on the relation above, write a code that calculates the values of Xn+1 for…

A: Program approach:- Import a package to standard I/O. Define a class. Define the main function.

Q: Observe the table DOCTOR: DOCTOR Doctor|D Name DateOfMDGraduation NumberOfPatients D111 John…

A: After the observation of the table the answer is

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: 3. What is the hash table based on to determine the storage address of an element? O A The ordinal…

A: Please find the answer below :

Q: Q3: Consider the Students table below populated with some information. StudentID Maths Score…

A: Short summary: Provided the creation of a database called MyFirstSchool and used that database to…

Q: 1. Please show big O notations of the recurrence relations below (please show detailed steps for…

A: Defined the big O notations relations given recurrence relation

Q: Consider tables S (A, B, C) and T (B, C, D) and SQL query select A, B, C, D from S, T where S.B =…

A: Summary: -We discussed all the point

Q: Consider tables S (A, B, C) and T (B, C, D) and SQL query   select A, B, C, D from S, T   where…

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

Q: :The main criticism of PageRank algorithm is a O Both cases t could not distinguish between pages…

A: Page rank algorithm used by Google to rank the web pages.

Q: Explain which two indexes should be created to provide an efficient index nested loop join for the…

A: There are two relations, Enrolled and Offering. For the given SQL query, we need two indexes, one…

Q: Q6. Consider the following query Q over R(A,B,C) and S(D,E,F): SELECT A,F FROM R, S WHERE C=D AND A…

A: SUMMARY: - hence we discussed all the points.

Q: Q6. Consider the following query Q over R(A,B,C) and S(D,E,F): SELECT A,F FROM R, S WHERE C=D AND A…

A: ANSWER: