TECH 540 Database Management Systems
Order ID 53563633773 Type Essay Writer Level Masters Style APA Sources/References 4 Perfect Number of Pages to Order 5-10 Pages Description/Paper Instructions
TECH 540 Database Management Systems
University of North America
Final Exam: TECH 540 Database Management Systems – Fall 2021
Student name:
Part 1: Selection and Yes/No questions (75%, 3 points for each question)
- A collection of facts and figures is known to be as:
- Data
- Database
- Sequenced data
- Structured data
- Logical structure of the database can be depicted through its
- Domain
- Data model
- Architecture
- Schemas
- A database architecture that is considered highly modifiable is known as
- ER database architecture
- Object based architecture
- 1 tier architecture
- Multi-tier architecture
- A tier in which the database resides along with the query processing languages is called
- Application tier
- Data tier
- Presentation tier
- Model tier
- Type data abstraction which allows the conceptual representation of data in database management system is considered as
- logical design model
- data model
- interface model
- user friendly model
- Identification, aggregation and instantiation are abstraction concepts used in
- intension and extension models
- classes and nodes models
- concrete models
- semantic data models
- Process of abstraction in which the objects and classes are identified with some kind of identifier is classified as
- classification
- instantiation
- identification
- exception abstract
- Application server in a three-tier architecture, communicates with a database system to access
- Data
- Query
- Compiler
- Retrieval
- Business logic of the application says what actions to carry out under what conditions, is embedded in
- Multiple servers
- Multiple clients
- Transaction server
- Application server
- Term that says what actions to carry out under what conditions, is known as the
- Data logic
- Business logic
- Computing logic
- File logic
- Application resides at the client machine and invokes database system functionality at the server machine through query statement, is the type known as
- One-tier architecture
- Two-tier architecture
- Three-tier architecture
- NO-tier architecture
- In the data model, the inherent constraints are classified as
- flat constraints
- parallel constraints
- explicit constraints
- implicit constraints
- Type of constraint in which value of each attribute (X) must be an indivisible value from domain (X) is classified as
- explicit constraint
- implicit constraint
- domain constraint
- range constraint
- In the data model schemas, the constraints that are expressed directly are classified as
- explicit constraints
- implicit constraints
- flat constraints
- parallel constraints
- Constraint which is used to specify the consistency in two or more relations among tuples is classified as
- primary integrity constraint
- entity integrity constraint
- referential integrity constraint
- null integrity constraint
- Database user assigns entities to a given entity set, in the type of generalization’s constraints
- Data-defined
- User-defined
- System-defined
- Condition-defined
- By default, the generalization type applied is
- Dependent specialization
- Partial specialization
- Complete specialization
- Total specialization
- An abstraction through which relationships are treated as higher-level entities, is known as
- Aggregation
- Tabulation
- Simulation
- Patriotization
- the user-defined constraints on generalization, the lower level entity sets can be of type
- 2 types
- 3 types
- 4 types
- 5 types
- Like attribute inheritance, the inheritance that applies through all tiers of lower-level entity sets, is known to be
- Participation inheritance
- Execution inheritance
- Existence inheritance
- Dependency inheritance
- In database management systems, the record which contains all the data regarding tuples of database is called
- statement record
- environment record
- description record
- connection record
- Type of iterator which is used to list the types of attributes that are included in the query result is called
- positional iterator
- named iterator
- unnamed iterator
- non-positioned iterator
- Variable in DBMS used to communicate error conditions between database management system and program are
- SQLCODE
- SQLSECTION
- SQLSTATE
- both b and c
- In database management system, if the cursor is to be moved to next rows in queries result then the command is classified as
- OPEN CURSOR command
- FETCH command
- UPDATE command
- CLOSE CURSOR command
- General purpose programming languages such as COBOL and ADA is classified as
- server language
- client language
- host language
- referential language
Part II. Answer questions (25%)
- Who is a DBA? What are the responsibilities of a DBA? (7%)
- What is a data model? List the types of data model used. (7%)
- Please compare Data warehouse from Data Lake.(4%)
- Please compare SQL from NoSQL database management system? (7%)
RUBRIC
QUALITY OF RESPONSE NO RESPONSE POOR / UNSATISFACTORY SATISFACTORY GOOD EXCELLENT Content (worth a maximum of 50% of the total points) Zero points: Student failed to submit the final paper. 20 points out of 50: The essay illustrates poor understanding of the relevant material by failing to address or incorrectly addressing the relevant content; failing to identify or inaccurately explaining/defining key concepts/ideas; ignoring or incorrectly explaining key points/claims and the reasoning behind them; and/or incorrectly or inappropriately using terminology; and elements of the response are lacking. 30 points out of 50: The essay illustrates a rudimentary understanding of the relevant material by mentioning but not full explaining the relevant content; identifying some of the key concepts/ideas though failing to fully or accurately explain many of them; using terminology, though sometimes inaccurately or inappropriately; and/or incorporating some key claims/points but failing to explain the reasoning behind them or doing so inaccurately. Elements of the required response may also be lacking. 40 points out of 50: The essay illustrates solid understanding of the relevant material by correctly addressing most of the relevant content; identifying and explaining most of the key concepts/ideas; using correct terminology; explaining the reasoning behind most of the key points/claims; and/or where necessary or useful, substantiating some points with accurate examples. The answer is complete. 50 points: The essay illustrates exemplary understanding of the relevant material by thoroughly and correctly addressing the relevant content; identifying and explaining all of the key concepts/ideas; using correct terminology explaining the reasoning behind key points/claims and substantiating, as necessary/useful, points with several accurate and illuminating examples. No aspects of the required answer are missing. Use of Sources (worth a maximum of 20% of the total points). Zero points: Student failed to include citations and/or references. Or the student failed to submit a final paper. 5 out 20 points: Sources are seldom cited to support statements and/or format of citations are not recognizable as APA 6th Edition format. There are major errors in the formation of the references and citations. And/or there is a major reliance on highly questionable. The Student fails to provide an adequate synthesis of research collected for the paper. 10 out 20 points: References to scholarly sources are occasionally given; many statements seem unsubstantiated. Frequent errors in APA 6th Edition format, leaving the reader confused about the source of the information. There are significant errors of the formation in the references and citations. And/or there is a significant use of highly questionable sources. 15 out 20 points: Credible Scholarly sources are used effectively support claims and are, for the most part, clear and fairly represented. APA 6th Edition is used with only a few minor errors. There are minor errors in reference and/or citations. And/or there is some use of questionable sources. 20 points: Credible scholarly sources are used to give compelling evidence to support claims and are clearly and fairly represented. APA 6th Edition format is used accurately and consistently. The student uses above the maximum required references in the development of the assignment. Grammar (worth maximum of 20% of total points) Zero points: Student failed to submit the final paper. 5 points out of 20: The paper does not communicate ideas/points clearly due to inappropriate use of terminology and vague language; thoughts and sentences are disjointed or incomprehensible; organization lacking; and/or numerous grammatical, spelling/punctuation errors 10 points out 20: The paper is often unclear and difficult to follow due to some inappropriate terminology and/or vague language; ideas may be fragmented, wandering and/or repetitive; poor organization; and/or some grammatical, spelling, punctuation errors 15 points out of 20: The paper is mostly clear as a result of appropriate use of terminology and minimal vagueness; no tangents and no repetition; fairly good organization; almost perfect grammar, spelling, punctuation, and word usage. 20 points: The paper is clear, concise, and a pleasure to read as a result of appropriate and precise use of terminology; total coherence of thoughts and presentation and logical organization; and the essay is error free. Structure of the Paper (worth 10% of total points) Zero points: Student failed to submit the final paper. 3 points out of 10: Student needs to develop better formatting skills. The paper omits significant structural elements required for and APA 6th edition paper. Formatting of the paper has major flaws. The paper does not conform to APA 6th edition requirements whatsoever. 5 points out of 10: Appearance of final paper demonstrates the student’s limited ability to format the paper. There are significant errors in formatting and/or the total omission of major components of an APA 6th edition paper. They can include the omission of the cover page, abstract, and page numbers. Additionally the page has major formatting issues with spacing or paragraph formation. Font size might not conform to size requirements. The student also significantly writes too large or too short of and paper 7 points out of 10: Research paper presents an above-average use of formatting skills. The paper has slight errors within the paper. This can include small errors or omissions with the cover page, abstract, page number, and headers. There could be also slight formatting issues with the document spacing or the font Additionally the paper might slightly exceed or undershoot the specific number of required written pages for the assignment. 10 points: Student provides a high-caliber, formatted paper. This includes an APA 6th edition cover page, abstract, page number, headers and is double spaced in 12’ Times Roman Font. Additionally, the paper conforms to the specific number of required written pages and neither goes over or under the specified length of the paper. GET THIS PROJECT NOW BY CLICKING ON THIS LINK TO PLACE THE ORDER
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