Convert from ER schema to Relational Schema
Q: Differentiate between DB Façade and Eloquent Object Relational Mapper (ORM)
A: Differentiate between DB Façade and Eloquent Object Relational Mapper (ORM)
Q: Translate the following ER diagram into the appropriate relational schema
A: ER diagram consists of entities with their corresponding attributes and relationships among…
Q: Design a data model for a system (like organization or institution) of your choice using RDF and…
A: Lets see the solution.
Q: What's the difference between a one-to-many and a one-to-one relationship in a relational database?
A: Introduction: There are theoretical differences between these phrases that should help you visualize…
Q: ER diagram to relational schema
A: ER diagram Er diagram is defined as the interconnection of entities and attributes how they are…
Q: Create relational model
A: The given problem is related to modeling the relational database where the requirements are given in…
Q: Explain Business Rule and its relevance to database design
A: Explain Business Rule and its relevance to database design
Q: Define the terms parent and child as they apply to tables in a database design and give an example…
A: A parent is a 1:N relationship row on one side. A child is a row in a 1:N ratio on many sides.…
Q: The three phases of database design are briefly discussed here.
A: A database is an organized data structure that stores information. Most databases contain multiple…
Q: What are the four characteristics of a properly designed relational database table?
A: DBMS: DBMS stands for a database management system which is a software system that is used to…
Q: SELECT * FROM INFORMATION_SCHEMA. TABLES WHERE (TABLE SCHEMA = 'KIMTAY');
A: Answer: Given some SQL command is given and we need to describe the SQL command
Q: Explain a relational database model.
A: A relational database model is defined as the collection of data items and predefined relationships…
Q: Map the ER into relational schema
A: The relation schema for the given ER Diagram is: The entity tables and the relation are mapped .…
Q: An example of a real-world SQL database, as well as an explanation of the database, should be…
A: The question is to give an example of a real-world SQL database, as well as an explanation of the…
Q: Describe the shorthand representation of the structure of a relational database.
A: Shorthand Representation of the structure of a Database : This addresses the Database table in a…
Q: How should the relational database model be described?
A: Relational database : A relational database contains and allows access to data items linked to one…
Q: List and justify the three design objectives for relational databases.
A: Each table entry in a relational database is a document called the essential item, which has a…
Q: What are homonyms and synonyms, and why should they be avoided during database design?
A: Answer:
Q: What is the relationship between relational algebra and relational database?
A: A relational database is a collection of data items with pre defined relationships between them.…
Q: The figure below shows part of an ER diagram. Map the part shown here to relational database schema.…
A: In this question, we are converting the given Entity Relational Database into the Relational…
Q: Explain what is a data model and why it is used in database design.
A: Data Model Data Model is a way to define the database logical structure.Data Model defines the way…
Q: What are homonyms and synonyms, and why should they be avoided in database design?
A: What are homonyms and synonyms, and why should they be avoided in database design?
Q: Differentiate between conceptual and internal schema in a database design
A: The difference between conceptual schema and internal schema is given below:
Q: What are the criteria for determining the quality of a relational schema?
A: The question is on defining rules for measuring the quality of relational schema.
Q: 2. The figure below shows part of an ER diagram. Map the part shown here to relational database…
A: A relational database schema is something which describes about the table. The schema includes the…
Q: How is the distinction between a logical and physical database structure drawn?
A: - The question wants to know the difference between logical and physical database structure.
Q: i) Briefly explain what relational database management system (RDBMS) is.
A: A relational database management system (RDBMS) is a collection of programs and capabilities that…
Q: Map the database schema shown in the following figure into a relational database schema.
A: The given problem is related to database designing where the database model is given in the form of…
Q: Who proposed the relational model?
A: The answer is given below:-
Q: An example of a real-world SQL database should be provided, along with an explanation of the…
A: Introduction: SQL Databases use Structured Query Languages and are part of Relational Database…
Q: A real-world SQL database may be given and explained?
A: Introduction: SQL Databases utilize Structured Query Languages and are Relational Database…
Q: Briefly discuss the three stages of database design
A: I have given an answer in step 2.
Q: The conditions that advise the database designer to make advantage of supertype and subtype…
A: When a generic object is associated with several subtypes, it is referred to as a supertype. A…
Q: Explain what a data model is and why it is important in database architecture.
A: Introduction: The act of generating a simplified representation of a software system and the data…
Q: What does the phrase relational database model really mean?
A: Explanation: In the Relational Model, the database is represented as a series of connections (RM). A…
Q: Discuss the significance of indexing in relation to database implementation.
A: Significance of indexing in relation to database implementation Indexing helps to optimize the…
Q: Name and Discuss five of Dr. Codd’s relational database rules
A: There are in total of 12 rules designed by Dr. Edgar F. Codd for relational databases.
Q: What are the four features of a relational database table that has been appropriately designed?
A: Introduction: DBMS: DBMS is an abbreviation for database management system, which is a software…
Q: List the nine major components in a database system environment.
A: Any form of enterprise, such as business, health, education, government, and libraries, uses…
Q: Define the term user view as it applies to database design.
A: Defined the given statement
Q: aradigm, as well as the logical
A: Step 1: A relational database stores information in one or more tables, rows, and columns.The rows…
Q: What is data abstraction in relational databases?
A: GIVEN: What is data abstraction in relational databases?
Q: Find the five regular sections that are on a database management system assessment and selection…
A: Database Management System Database Management System is software for taking care of and…
Q: The collection of all the concepts that must be used to describe database structure is called
A: The collection of all the concepts that must be used to describe database structure is called
Q: In the context of database construction, what exactly are homonyms and synonyms, and why should you…
A: Introduction : Homonyms: These are the same-named features. Despite the fact that they all have the…
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- Brieflydescribeinformationsystemactivitiesandgivepracticalexamplesaboutthe informationsystemactivitiesinyourorganizationoranyorganizationyouarefamiliar with.1. Select a computer-aided software engineering tool either one that a person can use forclass, a program that he/she owns, or a tool used to examine over the Web by creating a list ofthe capabilities that are offered by the CASE tool.i want this opearting system qoustion
- Matching Type: AxiomBayesian NetworksBiconditionalConjunctionDecodingDisjunctionEntailmentEvaluatingFilteringHMM (Hidden Markov Model)ImplicationInferenceKnowledge BaseLearningNegationPredictingSemanticsSmoothingStationary ProcessSyntaxWhich of the followingdecisions require knowledge based on collaboration andinteraction?Please typing answer i have a dataframe with 90 rows. i require a code to find the 24th word in row 80. all stopwords and punctuations have been removed and tokenized. Text cleaning and preprocessing steps completed. Essay_df.Essay_wo_Stop_Words.iloc[80] 'reflections Academy gets better better everytime first months hard hard adapt environment people placed grateful support always offered well always collaborated ensured done times working lab always found convenient able ask assistance anybody close supervisors clarity time given working teams always challenging different people learn way possess certain skill others skill prove together cases helped us lot would share work among get best results could knew best comes decision making previous groups participated always checked expected us rubric would either volunteer parts projects individually team leader would delegate sit see ever line whats neededand fix need fixing would get rational people would feel treated fairly equally part…
- Need MCQ answers1. Which of the following is not an area of artificial intelligence research ( ) a. Machine learningb. Image processingc. Natural language processing d. Principles of compilation 2. Machine translation belongs to which of the following fields of application? ( ) a. Naturallanguagesystem b. Machinelearningc. Expertsystemd. Humansensory 3. In addition to knowledge base, the main components of expert system include ( ) a. InterpretationModuleb. Man-machineinterfacec. Knowledgeacquisitionmodule d. Inferencemachine 4. Which of the following search algorithms is complete ( ) a. Breadth First search b. Depth first search c. Deletion policy d. Linear input strategy 5. For the training data, the greater its information entropy is, the more information it contains.( ) a. No b. Yes 6. If we want to carry out UCS, which of the tool we’d better use( ) a. Stackb. Queuec. Priority queue d. All of the above 7. When using the A* algorithm, for f(x)=g(x)+h(x), if g(x)=0,…Question (1): Do you agree to the assertion that, the Fourth Industrial Revolution (4IR) technologies will take over almost all jobs in the world? Your position should be justified with plausible reasons. Question (2): Discuss how Library 4.0 technologies are affecting current services of the academic libraries.Computer Science video calling app : zoom 1. Data model – create a model that data the system will capture 2. Process model - draw a model showing how it works
- Computer Science Design ERD's 1. BA Biotechnology to create a system that would enrol all Home Alone users. 2. BA Biotechnology to create a system that would retain a patient medical history (PMH) and a history of present illness (HPI)As the push for open-source software intensifies, how are proprietary software products adapting in terms of transparency and community involvement?Computer Science I get this error on Arena simulation modelling.What is the cause of this ERROR.How can I fix it? 11514:EELINKA warning was generated at simulation time 0.0while evaluating a status display expression. Undefined symbol : May a customer request a service.NumberOut FalsePossible cause: A variable or other symbol was usedwithout first being defined.Possible cause: A statistic was animated, but statistics collectionwas turned off.To find the problem, search for the above symbol name usingEdit-Find from the menu.