Consider the etransaction database in the table below: TID items_bought 1 {a, b, c, d} 2 {b, c, e, f} 3 {a, d, e, f} 4 {a, e, f} 5 {b, d, f} Determine the absolute support of itemsets {a, e, f}, and {d, f}. Convert the absolute support to the relative support.
Q: It is advised that a full conversation about cookies take place, during which at least four (4)…
A: Introduction: Cookies are text files saved on a computer (or smartphone) that gather personal data.…
Q: What factors must be considered before moving a system? Provide visuals that are not only…
A: Keep the following in mind while switching between several systems: It is impossible to…
Q: Your password-protected wireless network is often penetrated by a neighbor, despite the fact that…
A: Given: Popular reasons for hacking include basic bragging rights, curiosity, retaliation, boredom,…
Q: What, and why, stops embedded systems from making advantage of virtual memory?
A: Electronic Memory: Virtual memory, which is mostly utilised in operating systems, is a kind of…
Q: As a result, using the Internet has become a crucial tool for exercising one's right to free…
A: According to the information given:- We have to define the mentioned scenario, using the Internet…
Q: 5. Given the following bit stream, 110010, sketch: a) Unipolar NRZ with a maximum voltage of +4 V.…
A: We need to sketch the given bit stream for Unipolar NRZ and Manchester encoding.
Q: What exactly does SMP (symmetric multiprocessing) mean?
A: The majority of computers only have one processor: However multiprocessor systems are becoming more…
Q: DNS should be described in terms of authoritative and root servers, iterative and non-iterative…
A: DNS stand for Domain Name System.
Q: What does it imply when something is referred to be a system model? What are some of the elements…
A: The formulation of a conceptual solution to a business challenge is referred to as system modelling.…
Q: It is important to understand that the distinction between Response and Recovery is often a fuzzy…
A: The Recovery phase can be considered as a "window of opportunity" for Risk Reduction.
Q: It's critical to distinguish between the phrases "system" and "app." Compare the various…
A: These question answer is as follows
Q: What characteristics distinguish a personal area network from other types of networks?
A: Introduction In this question, we are asked What characteristics distinguish a personal area network…
Q: Both the sequential and binary search algorithms have significant benefits, but what are some genera…
A: A linear search, also known as a sequential search, is a technique used in computer science to…
Q: What precisely do we mean when we speak about a software's settings? What can be said about the…
A: A software configuration panel that lets you customize a programme, OS, or hardware's look or…
Q: Do you have any clue what the TCSEC orange book contains?
A: Please find the answer below :
Q: Could you please provide an example as well as an explanation of what the phrase "semantic…
A: According to the information given:- We have to define with example "semantic augmentation" means so…
Q: detailed explanation of the DNS system, including all of its mponents such as iterated queries, root…
A: Here in this question we have asked to explain the DNS system including all of its components such…
Q: e searches, authoritative and root servers, and the information contained inside DNS records when…
A: Domain Name System: The Domain Name System (DNS) is a worldwide system that makes an interpretation…
Q: I'd appreciate it if you could describe the tasks that are often linked with the DBA's technical…
A: Introduction: Database administrators are referred to by the acronym DBA. A database management…
Q: There are several paths one may follow to get an open-source operating system.
A: Operating system: It is software that functions as a link between the user and the computer's…
Q: But what precisely is a "system model"? What elements should be considered while developing the…
A: Making a System Model: Systems modelling is the multidisciplinary study of the use of models to…
Q: Include iterative and non-iterative searches, authoritative and root servers, and the information…
A: DNS: An international system called DNS transforms IP addresses into domain names that are readable…
Q: consider the topic cloud computing and ethics.... Let take ANZ bank as an example when Cloud is…
A: Hello student
Q: The output of the second step in program development. executable code None of the answers given.…
A: Answers:- The out of the second step in program development is ----> Program design. The…
Q: Both the sequential and binary search algorithms have significant benefits, but what are some…
A: Answer: The size and structure of the data collection, the anticipated number of searches, and the…
Q: es this list include systems that ha riety of ways?
A: A system is described as a set of rules, an arrangement of items, or a group of interrelated…
Q: What are the benefits of utilizing the Tcpdump application, and why is it recommended?
A: Please find the answer below :
Q: The collection and usage of undo statistics is done to improve the efficiency of the undo…
A: In fact, the following is the appropriate answer: In order to undo any uncommitted changes made to…
Q: Users spend a substantial amount of time on digital social networks such as Facebook and Twitter due…
A: Introduction: By establishing dyadic relationships, sharing information, and engaging in a variety…
Q: When it comes to the use of information and communications technology in enterprises and other…
A: ICT improves a business' efficiency, effectiveness, and ability to react quickly to client needs.…
Q: Curriculum development is also the responsibility of educators. How do you intend to make your use…
A: Introducing technology in the classroom: The effective integration of the curriculum into the…
Q: the components that make up a failsafe back hat are the main differences between a back
A: Introduction: A computer backup is a process that duplicates all of your data, files, and…
Q: Rule-based, model-based, and case-based reasoning models are the three types of reasoning models.…
A: Introduction: Rule-based reasoning and case-based reasoning are both widely used in intelligent…
Q: It is common knowledge that Linux and UNIX are largely command-line operating systems. Please…
A: The correct answer for the above mentioned question is given in the following steps for your…
Q: It is probable that an IT and network risk policy will play an important role in combating workers…
A: The question is it probable that an IT and network risk policy will play an important role in…
Q: A detailed explanation of the DNS system, including all of its components such as iterated queries,…
A: The domain name system (DNS) is a naming database in which internet domain names are located and…
Q: this essay is on the use of computers in modern medical
A: Summary Traditional Medicine (TM) is a term that resonates with many inhabitants of developing…
Q: Both the sequential and binary search algorithms have significant benefits, but what are some…
A: Answer: The size and structure of the data collection, the anticipated number of searches, and the…
Q: Compare and contrast the experiences of individuals living in the twenty-first century who use…
A: Introduction: Now we're in the 21st century and experiencing many new things. same within the…
Q: The issue now is, what exactly does this new risk management paradigm include, and how does it…
A: Introduction Information technology systems: A computer system controlled by a small group of IT…
Q: Describe the difference between the VirtualBox Extensions and VirtualBox Guest Additions
A: Answer: We need to write the what is the difference between the VirtualBox Extensions and VirtualBox…
Q: Which version of the system is the most accurate portrayal of the situation?
A: Which version of the system is the most accurate portrayal of the situation answer in below step.
Q: What kind of duties are often performed by perioperative computers?
A: Perioperative computers : RAS (robotic-assisted surgery) systems allow the surgeon to perform a…
Q: Understanding how the MRP system processes data is crucial.
A: Introduction. The necessary information is gathered from the material hills, the inventory records…
Q: How will introducing a cloud computing system will benefit the business for Banking sector?…
A: The cloud services have been on the roll these days.
Q: Fix all logic and syntax errors. debug4-2 // Some circle statistics public class DebugFour2 {…
A: Given To know about the java programing syntax error.
Q: Which version of the system is the most accurate portrayal of the situation?
A: To be decided: the steps used to choose a suitable model for the system The project's software…
Q: It is critical to understand the significance behind a software product's settings. What can be…
A: The Answer is in given below steps
Q: Although descriptive models are often preferred over prescriptive models, the issue remains: which…
A: Considering the information provided: Determining whether prescriptive or descriptive models are…
Q: Let T be a set of subtrees of a tree T . Assume that the trees in T have pairwise non-empty…
A: Here we will answer about how pairwise non empty intersection will be overall intersection to T is…
Consider the etransaction
| TID | items_bought |
| 1 | {a, b, c, d} |
| 2 | {b, c, e, f} |
| 3 | {a, d, e, f} |
| 4 | {a, e, f} |
| 5 | {b, d, f} |
Determine the absolute support of itemsets {a, e, f}, and {d, f}. Convert the absolute support to the relative support.
Step by step
Solved in 3 steps
- QUESTION 2 Consider the database schema below: Company (CompnayID: integer, CompnayName: String (unique), address) Department (DepartmentID: Integer, DepartmentName: String, CompanyID: Integer) Employee (ID:integer; name:String, DepartmentID:intger (not null)) How many candidate key(s) in the Employee relation?QUESTION 2 Consider the database schema below for hotels in countries. A country have many hotels, and the same hotel chain (name) are available in different countries. Country (ID: integer, Name: String (unique)) Hotel (CountryID: Integer, HotelName: String, ManagerID: Integer) How many candidate Key(s) in the hotel relation?In order to be sure we don't write over somebody else's changes to a table, we can lock _____________. Question 36 options: 1) A row, table, or an entire database 2) A row, table, or an entire database, but not a single attribute 3) A row, but not an entire table 4) A row, or a table, but not an entire database
- Given the LOTs database schema, which is the hight normal form we can appy?You are working with a database that stores information about suppliers, parts and projects. The Supply relation records instances of a Supplier supplying a Part for a Project.The schema for the database used in this question is as follows: (note that primary keys are shown underlined, foreign keys in bold).SUPPLIER (SNo, SupplierName, City)PART (PNo, PartName, Weight)PROJECT (JobNo, JobName, StartYear, Country)SUPPLY (SNo, PNo, JobNo, Quantity)Provide relational algebra (NOT SQL) queries to find the following information. Each question is worth 2 marks.NOTE:• You can use the symbols etc or the words ‘PROJECT’, ‘RESTRICT’ etc as you prefer. • You do not need to try to make efficient queries – just correct ones. • Where you use a join, always show the join condition.a. List the quantity of parts supplied on JobNo 4745.b. List the weight of the Part named “Left-handed screwdriver”.c. List the Project name and Part name of any Parts where fewer than 500 of the part has been supplied to a…You are working with a database that stores information about suppliers, parts and projects. The Supply relation records instances of a Supplier supplying a Part for a Project.The schema for the database used in this question is as follows: (note that primary keys are shown underlined, foreign keys in bold). SUPPLIER (SNo, SupplierName, City)PART (PNo, PartName, Weight)PROJECT (JobNo, JobName, StartYear, Country)SUPPLY (SNo, PNo, JobNo, Quantity) Provide relational algebra (NOT SQL) queries to find the following information. NOTE:• You can use the symbols σ, π, etc or the words ‘PROJECT’, ‘RESTRICT’ etc as you prefer. • You do not need to try to make efficient queries – just correct ones. • Where you use a join, always show the join condition.a. List the quantity of parts supplied on JobNo 4745.b. List the weight of the Part named “Left-handed screwdriver”.c. List the Project name and Part name of any Parts where fewer than 500 of the part has been supplied to a particular project.d.…
- You are working with a database that stores information about suppliers, parts and projects. The Supply relation records instances of a Supplier supplying a Part for a Project.The schema for the database used in this question is as follows: (note that primary keys are shown underlined, foreign keys in bold). SUPPLIER (SNo, SupplierName, City)PART (PNo, PartName, Weight)PROJECT (JobNo, JobName, StartYear, Country)SUPPLY (SNo, PNo, JobNo, Quantity) Provide relational algebra (NOT SQL) queries to find the following information.NOTE:• You can use the symbols σ, π, etc or the words ‘PROJECT’, ‘RESTRICT’ etc as you prefer.• You do not need to try to make efficient queries – just correct ones.• Where you use a join, always show the join condition.a. List the Project name and Part name of any Parts where fewer than 500 of the part has been supplied to a particular project.b. List the name of any Suppliers who have supplied Parts to the Project called “New Academic Building” or to the Project…Use the information below to answer the question. What types of additional information and constraints would you like to represent in the schema? Think of several users of your database, and design a view for each. CREATE TABLE USER1 (SSN INT NOT NULL, FNAME VARCHAR2(20), M VARCHAR(1), LNAME VARCHAR2(20), ADDRESS VARCHAR2(100), PHONE INT, AGE INT, SEX VARCHAR(1), JOBTYPE VARCHAR2(30), ASTYPE VARCHAR2(30), ETYPE VARCHAR2(30), SHIFT VARCHAR2(20), POSITION VARCHAR2(30), AP_NAME VARCHAR2(100), PRIMARY KEY(SSN), FOREIGN KEY(AP_NAME) REFERENCES AIRPORT(AP_NAME) ON DELETE CASCADE); INSERT INTO USER1(SSN, FNAME, M, LNAME, ADDRESS, PHONE, AGE, SEX, JOBTYPE, ASTYPE, ETYPE, SHIFT, POSITION, AP_NAME) VALUES(123456789,'LINDA','M','GOODMAN','731 Fondren, Houston,…How about a rundown of the advantages that come with using tables in database systems? Could you perhaps write a few words on the topic of NULL?
- How do you balance the trade-off between indexing for query performance and the overhead of maintaining those indexes?To make the TAL Distributors database run more efficiently, the DBA denormalized part of the data, resulting in the following structure for one of the tables: A third normal form violation has occurred in the Customer table, which contains the following fields: CustomerNum, CustomerName, Street, City, State, PostalCode, Balance, CreditLimit, RepNum, and RepName. Which field(s) are to blame? What would the typical shape of the denormalized table be in this case?You are working with a database that stores information about suppliers, parts and projects. The Supply relation records instances of a Supplier supplying a Part for a Project. The schema for the database used in this question is as follows: ( primary keys are shown underlined, foreign keys in bold). SUPPLIER (SNo, SupplierName, City) PART (PNo, PartName, Weight) PROJECT (JobNo, JobName, StartYear, Country) SUPPLY (SNo, PNo, JobNo, Quantity) Provide relational algebra (NOT SQL) queries to find the following information. NOTE: You can use the symbols s, P, etc or the words ‘PROJECT’, ‘RESTRICT’ etc . do not need to try to make efficient queries – just correct ones. Where you use a join, always show the join condition. List the quantity of parts supplied on JobNo 4745. List the weight of the Part named “Left-handed screwdriver”. List the Project name and Part name of any Parts where fewer than 500 of the part has been supplied to a particular project. List the name of any Suppliers…