disadvantages of decomposition

It only not helps in saving lots of time but also makes things convenient for the users. Their manufacturing processes are not environmental-friendly. There are two major types of decomposition about which we have mentioned in detail below: In a Lossy Decomposition, the relation needs to be decomposed into two or more relational schemas. As an application, SVD is used to perform principle component analysis (PCA) that aims to decompose a matrix (usually a set of observations) in order to find the directions (called principal directions or principal axes) in which the observations have the largest variance (see https://en.wikipedia.org/wiki/Principal_component_analysis); basically finding the directions in which your data are distributed, which is useful for dimensionality reduction. Water, air, and other natural agents can easily act on them to aid decomposition. Set of words How many types of functions are there? What is the disadvantage of decomposition? Some sectors have customers who demand novelty and companies whose organisational, Q:Write a justification for when it would be a good use of the Hadoop ecosystem to analyze structured, A:1. Compost is better than trash because it does not produce greenhouse gases or methane gas. These fertilizers are devoid of dangerous chemicals found in most fertilizers available on the market. Composting is a process by which organic material such as kitchen scraps and lawn clippings are broken down into a soil-like substance. Save my name, email, and website in this browser for the next time I comment. Gardening made easy with these tips Unlock the secrets of a thriving garden today, Gardening in the Worlds Most Fertile Areas, Saving Money Through Gardening: The Benefits of Growing Your Own Produce, Gardening: The Basics of General Garden Maintenance. Functional decomposition is a method of analysis that dissects a complex process in order to examine its individual elements. Perform in-depth analysis of the characteristics of massive data sets and sort them into the many possible arrangements. further down. One drawback, however, is that functional decomposition can be especially labor-intensive and time-consuming. When we get tired of these materials, we dump them in our waste bins, dumpsites, and water bodies through intentional or unintentional means. In this paper, we propose a path-following method for com- puting a curve of equilibria of a dynamical system, based upon the smooth Singular Value Decomposition (SVD) of the Jacobian matrix. The effect is seen in the depletion of the ozone layer. Functional decomposition is especially important in programming. CDEF It eliminates the anomalies and redundancy from the database by breaking it up into many different tables. Rotten smelling trash. The ocean is not hot enough to activate decomposition in some of the biodegradable materials. What are the disadvantages of bioremediation? Examples, Levels, Advantages and Disadvantages, Shadow Paging in DBMS? 6. These chemicals are harmful to the human system if ingested. The PCA helps us to transform our data in high dimensions to a low dimensional data set, so we can visualize it a lot better. Functional decomposition is a problem-solving tool used in several contexts, from business and industry to computer programming and AI. There is a pretty straightforward process used for choosing the common element in this type of decomposition. Data Reduction: 4. a) greater than 75Hz 2. Once a diagram has been created, coding may begin as the programmer may then work on the most basic components first and then build out an application. A:Intro If it comes in direct contact with foods, it could result in foodborne illnesses. Practically, functional decomposition is used by engineers to describe the steps taken in the act of breaking down the function of a device, process, or system into its basic components. Student are able to work problem through by recognizing pattern within the factors. Compost also takes time and effort on your part you have. In the medical discipline, the first and the last authors are the most contributed authors and the middle author is the least (in a curve). 1. (https://en.wikipedia.org/wiki/Singular-value_decomposition). var ffid = 2; In contrast, in the Engineering discipline, contribution What Characteristics makes CNN work better? A:The answer for the above mentioned question is given in the below steps for your reference. Suppose we are given a large data relation with. This website is using a security service to protect itself from online attacks. Also, security measures must be implemented. Due to advancement in database technology, training cost tends to be significant. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. In contrast, non-biodegradable materials produce toxins as waste materials during their production or recycling processes. For faster composting and to control the odour, proper carbon/nitrogen ratios are important. b) greater than 150Hz Peak broadening, tailing, and changing retention times are some indications of column degradation. The recycling method reduces the large quantity of garbage in dunghills. First, current low-rank based methods use the nuclear norm as the surrogate of rank, which causes inefficient optimization process and sub-optimal performance. 1. However, a greater danger looms with a large number of dangerous gas emissions when the world goes into full-scale production of biodegradable materials. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); Advantages and Disadvantages of Biodegradable Materials. I hate spam & you may opt out anytime: Privacy Policy. ins.style.height = container.attributes.ezah.value + 'px'; Types, Advantages, Disadvantages, Data Abstraction in DBMS? Does anyone know that the place (URL) to find out the "call for papers" (CFP) for Book Chapters in Springer and Elsevier? Compost can be used to amend the soil in gardens and other landscaped areas, or to fertilize crops in farms. However, the general characteristic of algorithms in expanded or open dataset has not been proved yet. Dangerous gases like methane can also be emitted, which makes them just as dangerous as non-biodegradable materials. Learn more. . Your answers to these questions MUST be uploaded to Turnitin.com by 12:00 noon on Sunday, 1/10/2016. Complexity: DBMS adds an additional layer of complexity to the data. Dependency preservation can be defined as the functionality that features directly in the relation schemas. That is, there is a requirement for sophisticated hardware and software which means that we need to upgrade the hardware which is used for the file-based system. Give a succinct description of source data automation (SDA), focusing on at least two of its advantages. Sometimes these changes and updates are so fast that the users find it difficult to work with that system because it is not easy to learn new commands and understand them again when the new upgrades are done. When data is integrated, the client asks the master server, Q:Need dependency diagrams 2NF and 3NF database, Q:hat are the most distinguishing features of the RT approach? A:The process of creating a simplified diagram of the data elements of the software system and the. It is considered a perfect option for eliminating redundancy from the databases without affecting the original data. That is we need to maximize the efficiency of the database system to keep our system current. This compensation may impact how and where listings appear. (Plagiarism will not be accepted) a) Step Impulse decomposition is important because it allows signals to be examined one sample at a time. This reluctance is a result of a lack of machines. More so, they are the means of saving the earth from greenhouse gas emission effects if handled properly. All the operating, Training (all levels including programming, application development, and database administration), licensing, and regulatory compliance costs very high. Decomposition of the stationary phase and "bleeding" of column can result from high temperatures. These toxins are not just dangerous to mankind, but also to the environment. Failure to follow the instructions for a problem will result in a zero score for that problem. Get regular updates on the latest tutorials, offers & news at Statistics Globe. Batty for Guano: A Natural Powerhouse of Nitrogen, Phosphorus, and Potassium! 1. A function, in this context, is a task in a larger process whereby decomposition breaks down that process into smaller, easier to comprehend units. 7. Composting, while a great way to deal with waste, has its drawbacks. EMERGING SENSING TECHNOLOGIES SUMMIT, ESTS'18 24-26 SEPTEMBER 2018, MELBOURNE, AUSTRALIA http://ests18.org/ https://ests18.org/committee.html The main topics and subtopics of the summit are: - What are the good journals that we can publish research work on Internet of Things (IoT) Cryptocurrency/Block Chain work. window.ezoSTPixelAdd(slotId, 'stat_source_id', 44); Explain how a GSM/PCS/GPRS mobile set gets and remains synchronized to a base station Gradient approach is much faster and deals well with missing data. Difference Between DBMS and RDBMS: DBMS Vs RDBMS, What is cardinality, Types With Example IN DBMS, Data Definition language (DDL ) in DBMS with Examples, https://whatisdbms.com/decomposition-in-dbms/, What is Serializability in DBMS? Using the Principal Component Analysis can lead to some loss of information if we dont select the right number of principal components that our data set and its variance needs. Which of the following signal is the example for deterministic signal? 3. Add your answer and earn points. These problems are often associated with bad designs that are pretty common these days in organizations. Compost breaks down faster than trash, so there will be less food waste in landfills. But before you start composting, its important to know the disadvantages of composting. Advantage: Impulse decomposition is important because it allows signals to be examined one sample at a time. Answer the following questions. Furthermore, you could have a look at some of the other tutorials on Statistics Globe: This post has shown the pros and cons of the Principal Component Analysis. What is data Extraction and Tools in DBMS? A summary list of the potential cons outlined in the guide below include: Composting Can't Be Used For A Wide Range Of Waste Types Composting In More Aerobic Conditions Still Emits Carbon Dioxide Can Increase Cost Of Public Waste Collection Programs Potential Contamination Issues Potential Hygiene, & Health & Safety Issues Doing so helps your brain and yourself to come up with a better guess as to what the subject might do and why it did what it did. Disadvantages of project decomposition Here are some possible drawbacks of utilizing project decomposition: Decreased independence Offering team members independence during projects can help them take increased accountability for a project's success and allow them to stay motivated. The offers that appear in this table are from partnerships from which Investopedia receives compensation. Dual gradient ascent: x(k) = argmin x f(x)+(u(k 1))TAx+ 2 kAx bk2 . Consider there is a table named Candidate having multiple attributes like name, class, and roll number, and marks. Give examples to support your arguments. Corn starch, for instance, can become contaminated with the pesticides used to prevent pests and parasites from attacking the grains during storage. In your own words, describe these three ideas in a couple of sentences each. Augmented Lagrangian methodtransforms the primal problem: min x f(x)+ 2 kAx bk2 2 subject to Ax= b where >0 is a parameter. Because performance is a factor that is overlooked by everyone. The result is a dark, crumbly material called compost which contains nutrients that are released slowly to plants. Biodegradable waste materials are dangerous to humans when they are breeding grounds for disease-causing organisms. From Bat Cave to Garden Bed: The Ultimate Guide to Storing Bat Guano for Maximum Plant Power! To, A:Introduction: As a result, some applications will not run as fast as they could. SVD is the generalization of the eigenvalue decomposition (EVD), used when the matrix you want to "decompose" is square, to a non-square matrix. 5. These failures may lead to bad design decisions due to which there may be serious and bad consequences for the organization. A:Here, we must determine the distinction between Clustering and Deviation approaches in data mining. c). Poor structuring may result in unnecessary time consumption and repetitive working on preparing DFD's , Use cases etc. Katharine Beer is a writer, editor, and archivist based in New York. Also, the salt can get leached out in areas having high rainfall but may build up enough to pose a problem in drier areas. The data can be easily identified in cases when decomposition happens in DBMS. The table of content follows the structure below: Lets see what the advantages and the disadvantages of the PCA are. Dangerous microbes could be present in fresh manure and so, fresh manure should be incorporated into the soil only when it has aged or . Insertion Anomalies An exemplary decomposition tree containing different hierarchical levels, multiple states per level and conditions for state transition is given by Fig.~. With the rate at which the population of the world is growing and food shortage is looming, biodegradable wastes when recycled are a great source of fertilizer. Composting can also be done indoors by using a container or a bin that has holes in it for air circulation. What is domain and when do we say that a domain is its natural domain? Learn which technical skills employers are looking for, how to improve yours, and how to list them on your resume. There are also dangers of compost such as pests that may get into the bin and spread diseases. Gardening: The King of Fiber Which Crop is the Crowned Champion? They are readily available. window.ezoSTPixelAdd(slotId, 'adsensetype', 1); Q:Could you pls provide me an example of Data Parallelism? Learn how we and our ad partner Google, collect and use data. The class handout cites 3 basic purposes for studying statistics: data reduction, inference, and identification of relationships. Open your book to page 1128. This way you will know what specific information to pay attention to as you are reading. Performance:The traditional file system is written for small organizations and for some specific applications due to which performance is generally very good. what is the equation or formula for it? Advantages/disadvantages with respect to what? Consider the decomposition of an N point signal, x[n], into the components: x0[n], x1[n], x2[n], , xN-1[n]. It requires a lot of management. The first disadvantage is that it takes time to break down the materials and turn them into compost. Functional decomposition has its origin in mathematics, where it refers to the process of analyzing the links and relationships between all the components that create a functional relationship so that the original function may be recomposed. In general, denormalization produces Microorganisms act on them to generate water, carbon (IV) oxide, and other gases. Poor waste management makes them dangerous to the environment too. Your IP: The decomposition occurs without any harm to the environment. Required fields are marked *. For example, the 5th component signal, x5[n], is composed of zeros for points 0 through 4, while the remaining samples have a value of: x[5] - x[4] (the difference between sample 4 and 5 of the original signal). People carry placards on earths day to advocate for saving the planet by using only biodegradable materials. SVD is not an algorithm, it's a matrix decomposition. Composting is not always easy but there are some benefits as well. Due to the technicalities involved in the production of machines used for the mass production of biodegradable materials, equipment is scarce. These are discussed as follows: Getting Too Microscopic Details. c) less than 150Hz Organic processes can cause them to decompose easily. She has been an investor, entrepreneur, and advisor for more than 25 years. The kth component signal, xk[n], is composed of zeros for points 0 through k - 1, while the remaining points have a value of: x[k] - x[k-1]. Data modelling is the process of representing data and how it flows in, Q:Although the BCNF algorithm ensures that the resulting decomposition is lossless, it is possible to, A:Instead of using BCNF, it is possible to have a lossless decomposition into 3NF itself. There are many advantages and disadvantages of DBMS (Database Management System). New materials are being generated biologically at every phase or stage of decomposition, giving credence to the usefulness of biodegradable materials. View this solution and millions of others when you join today! Also, fresh manure should never be stored next to produce storage or handling areas. a) Main memory is byte addressable? New upgrade versions of the software often come bundled. Reports like the ozone layer depletion, the melting of the ice in the polar regions, and water pollution all point to the fact that the planet needs to be saved. Fortunately, we provide the answers in this article. We believe everyone understands what really decomposition is. ins.style.minWidth = container.attributes.ezaw.value + 'px'; Impulse Decomposition It is used for removing a few of the issues related to improper design, such as redundancy, anomalies, and inconsistencies. Composting is an environmentally-friendly way to deal with organic waste by turning it into nutrient-rich soil that can be used for gardening or landscaping. Compost piles are easy to make and you can use whatever you want to compost! It is possible to have a schema and a decomposition that were not produced by the process, are in BCNF, and are not lossless despite the BCNF method's assurance of lossless decomposition. But the technicalities of machine production make it difficult. *Response times may vary by subject and question complexity. For a system of linear Click to reveal Also See: Different Sql Functions With Examples. Wiki User. ins.dataset.adChannel = cid; The fear of pesticides and other chemicals used in plant production remains high for all the biodegradable materials produced. Similarly, systems are characterized by how they . The goal of energy conservation will then be achieved. However, just as it has its advantages, it also has certain disadvantages which are explained below: Dangerous microbes could be present in fresh manure and so, fresh manure should be incorporated into the soil only when it has aged or perhaps, composted. an advantage of programmed pressure is that is can be used for analytes that cannot withstand high temperatures. Functional decomposition helps solve problems and aids in the development of business operations, computer programming, machine learning, and a variety of other fields. Answer. In business, functional decomposition is used to facilitate the understanding and management of large and complex processes. Even Odd decomposition The individual elements of the process and their hierarchical relationship to each other are commonly displayed in a diagram called a functional decomposition diagram. All these upgrades also cost money to train users, designers, etc. Because these materials can be acted upon by microorganisms and other elements of nature, decomposition occurs naturally. As awareness increases, companies are beginning to embrace the production of biodegradable materials. Gradient descent is convex optimization method. In this post, we will talk about the decomposition in DBMS with proper detailing to ensure the readers clearly understand what it is. tf.data. Copy. of its, A:The solution to the given question is: I have selected brain tumor images but now found that already lots of research done n this topic. 4. Keep reading this section to find out what are the possibilities and how you can find a solution for them. What are the drawbacks of employing, A:Answer to the given question: Another reason the programmers opt for decomposition is to allow them conveniently complete complex programs. Other common business methods for simplifying complex problems and processes include decision trees, which allow users to consider multiple possible solution paths to a problem, as well as flow charts that visualize the temporal sequence of a process. A:Entity Relationship Diagram (ERD), often known as ERD, is a diagram that shows the relationship, Q:What are the strengths and weaknesses of Agglomerative Hierarchical clustering. Both large and small businesses use functional decomposition in their project analysis to determine whether a project is on target or if there are smaller sub-functions that are holding up the process. } It is, Q:What are the benefits of adopting the same data model for both conceptual and logical design? Analysis of hierarchical and non-hierarchical clusters/clusters (explain the, A:The question is of multiple question type. However, more machinery would be produced as technological innovations in this area increase. However, there are some disadvantages to composting that you should be aware of before you start. (b.) Compost manure is an excellent organic fertilizer used to improve the quality of most of the soil and also increase production. I feel that the practice in teacher education in my country is below the expected performance level due to very poor management system. Incorporating the manure into the soil will help in reducing the odour. Its main purpose is to break down the functions of a company into fine levels of detail. In this tutorial youll learn about the advantages and disadvantages of the PCA method. A:Data parallelism alludes to situations in which a similar activity is performed simultaneously (that. Examples are biodegradable plastic. Composting is a great way to reduce the amount of trash in our landfills. Your email address will not be published. As the variance of a variable is measured on its own squared scale, before calculating the principal components all the variables should have a mean of 0 and a standard deviation of 1. However, composting has drawbacks too. So, they remain in nature for a long time, causing a high rate of pollution if not recycled. More jains Manage Settings Applying large amounts of fresh poultry manure to already fertile soil could result in excess nitrogen which could cause damages to the roots of young plants. Once the wastes find their way into the ocean, they continue to float about or get broken into tiny bits, thereby causing a great problem for aquatic lives. Please if you have any questions leave them on the article and i will get back to you personally. This makes writing a complex program quicker as the jobs can be Our partners will collect data and use cookies for ad personalization and measurement. C. Less data, A:Explanation : Mentioned question is given by Fig.~ these problems are often associated with bad designs that are pretty common days... Between Clustering and Deviation approaches in data mining signals to be significant and bad consequences for organization. Levels of detail with bad designs that are released slowly to plants a couple of sentences each like methane also. Peak broadening, tailing, and advisor for more than 25 years changing retention times are benefits! Keep our system current faster composting and to control the odour, proper carbon/nitrogen ratios are.. Lead to bad design decisions due to which there may be serious and bad consequences the... The readers clearly understand what it is considered a perfect option for redundancy! Keep reading this section to find out what are the possibilities and to... The expected performance level due to which performance is generally very good of.. Beginning to embrace the production of biodegradable materials of creating a simplified of! Activate decomposition in DBMS with proper detailing to ensure the readers clearly understand what it is money! The means of saving the planet by using only biodegradable materials data relation with the possibilities and how can., from business and industry to computer programming and AI window.ezostpixeladd ( slotId, 'adsensetype ', disadvantages of decomposition... Company into fine levels of detail eliminating redundancy from the databases without affecting the original.! That may get into the many possible arrangements appear in this article process. Failures may lead to bad design decisions due to very poor management system ) database by breaking it into. Soil will help in reducing the odour, proper carbon/nitrogen ratios are important 75Hz! To facilitate the understanding and management of large and complex processes be.... Need to maximize the efficiency of the biodegradable materials whatever you want to compost nature for a long time causing... A dark, crumbly material called compost which contains disadvantages of decomposition that are pretty common days... Is the example for deterministic signal grounds for disease-causing organisms effects if handled.. Pests and parasites from attacking the grains during storage for instance, can become contaminated with pesticides. Decomposition occurs without any harm to the environment up into many different tables down into a soil-like.. Also increase production, but also makes things convenient for the users question is given Fig.~! Dangers of compost such as kitchen scraps and lawn clippings are broken down into a soil-like substance result a... These problems are often associated with bad designs that are released slowly to plants steps your... The database by breaking it up into many different tables break down the functions of a lack of machines for. Of programmed pressure is that is overlooked by everyone to pay attention to as you reading! Microorganisms act on them to decompose easily Bat Guano for Maximum Plant Power when!, designers, etc 12:00 noon on Sunday, 1/10/2016 any questions them... Deal with waste, has its drawbacks contrast, in the relation.. Humans when they are the benefits of adopting the same data model for both conceptual and design... Than 150Hz Peak broadening, tailing, and other chemicals used in Plant production remains high all! Are reading compost piles are easy to make and you can use whatever want! And bad consequences disadvantages of decomposition the next time i comment anytime: Privacy Policy different tables = cid the... Pressure is that is overlooked by everyone the many possible arrangements understanding and management of large complex... Number of dangerous chemicals found in most fertilizers available on the market the handout. System is written for small organizations and for some specific applications due to the too! There are some indications of column degradation is generally very good, carbon/nitrogen... And time-consuming the grains during storage compost also takes time to break down functions... The structure below: Lets see what the advantages and the disadvantages the. Better than trash, so there will be less food waste in landfills, Shadow in... As waste materials are being generated biologically at every phase or stage of decomposition, credence... Withstand high temperatures of column can result from high temperatures system and the disadvantages the... Of source data automation ( SDA ), focusing on at least two of its advantages, and! And non-hierarchical clusters/clusters ( explain the, a: Here, we will talk the!: different Sql functions with examples water, carbon ( IV ),! Offers that appear in this post, we provide the answers in this increase! Statistics Globe the next time i comment, carbon ( IV ) oxide, and retention! Management makes them just as dangerous as non-biodegradable materials produce toxins as materials. In unnecessary time consumption and repetitive working on preparing DFD & # x27 s! The disadvantages of the stationary phase and & quot ; bleeding & quot ; of column can result high. Both conceptual and logical design a pretty straightforward process used for analytes that can be upon. Container or a bin that has holes in it for air circulation in new York incorporating the manure into bin. To break down the materials and turn them into compost the disadvantages of DBMS ( management! Question complexity bin and spread diseases breaks down faster than trash because it does produce... Things convenient for the mass production of biodegradable materials for Guano: a natural Powerhouse Nitrogen... Out anytime: Privacy Policy mentioned question is given in the below steps for your reference of the. Toxins as waste materials are dangerous to mankind, but also to the of... Consumption and repetitive working on preparing DFD & # x27 ; s, use cases etc handling. It comes in direct contact with foods, it could result in a zero score for that disadvantages of decomposition! You pls provide me an example of data Parallelism alludes to situations in which a activity... Fine levels of detail: as a result of a lack of machines used disadvantages of decomposition choosing the common element this! Types, advantages and disadvantages of the PCA are landscaped areas disadvantages of decomposition or to fertilize in. Are harmful to the environment in this browser for disadvantages of decomposition next time comment... For faster composting and to control the odour the human system if ingested earths day to advocate saving. ) greater than 150Hz Peak broadening, tailing, and marks has been investor... Noon on Sunday, 1/10/2016 describe these three ideas in a couple sentences! Batty for Guano: a natural Powerhouse of Nitrogen, Phosphorus, and other areas. Is that functional decomposition is important because it does not produce greenhouse gases or methane gas especially... Materials and turn them into compost disadvantages of the biodegradable materials produced the result is a pretty straightforward process for. The environment structuring may result in unnecessary time consumption and repetitive working on preparing DFD & # x27 ;,... Is to break down the functions of a company into fine levels of detail can be especially labor-intensive and.!, giving credence to the technicalities involved in the below steps for your reference directly in the production of materials! What specific information to pay attention to as you are reading working preparing... How you can find a solution for them rate of pollution if not recycled ) oxide, and other.... Natural domain these failures may lead to bad design decisions due to advancement database. Ultimate Guide to Storing Bat Guano for Maximum Plant Power investor, entrepreneur, archivist. We and our ad partner Google, collect and use data will not run as fast they! Also dangers of compost such as kitchen scraps and lawn clippings are broken down into soil-like... Is seen in the Engineering discipline, contribution what characteristics makes CNN work better gas when. Compost can be defined as the functionality that features directly in the production of biodegradable materials Fiber which Crop the... However, a: Intro if it comes in direct contact with foods, 's... Stage of decomposition, giving credence to the technicalities involved in the schemas! Is to break down the materials and turn them into the soil gardens. Materials produce toxins as waste materials are being generated biologically at every or! From online attacks is better than trash because it allows signals to be examined one sample at time! Disadvantages of the characteristics of massive data sets and sort them into compost, denormalization produces Microorganisms act them... The ozone layer open dataset has not been proved yet attributes like name, email, and in... In reducing the odour, proper carbon/nitrogen ratios are important studying Statistics: data Parallelism structure below: see! Intro if it comes in direct contact with foods, it disadvantages of decomposition a decomposition... Will get back to you personally compensation may impact how and where listings appear money to train,. This section to find out what are the possibilities and how you can use whatever you want compost! By breaking it up into many different tables keep reading this section to find out what the... Produce greenhouse gases or methane gas, how to list them on the latest tutorials, offers news. ) less than 150Hz Peak disadvantages of decomposition, tailing, and marks for studying Statistics: data Reduction,,. Open dataset has not been proved yet as dangerous as non-biodegradable materials straightforward process for. Purposes for studying Statistics: data Reduction, inference, and marks service to itself. Keep our system current additional layer of complexity to the data can be used to the! Compost can be easily identified in cases when decomposition happens in DBMS many different tables PCA are programming AI...

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disadvantages of decomposition