Atomicity - Study guides, Class notes & Summaries

What are relational database strengths? consistency, persistance, concurrency, standardization, application integration what are relational database shortcomings? impedance mismatch, scalability (horizontal vs vertical), clusters, cost what is big data? the data situation where volume, velocity, variety, and variability of data exceed typical storage or computing capacity for accurate and timely decision making what is volume? amount. "giga, tera, exa" what is velocity? speed at which new ...

CSCI 3700 Midterm Exam Questions 100% Solved. Database management system - answerA collection of interrelated data in an environment that is convenient and efficient to use. Collections that are highly valuable, relatively large, and accessed by multiple users and applications, often at the same time. - answerDatabase systems are used to manage this kind of data. Database management system - answerA complex software system whose task is to manage a large, complex collection of data. Dat...

The term ____________ refers to a technique in which a process can do nothing until it gets permission to enter its critical section but continues to execute an instruction or set of instructions that tests the appropriate variable to gain entrance. - Answer- spin (busy) waiting It is possible in a single-processor system to not only interleave the execution of multiple processes but also to overlap them. - Answer- False Race condition is a situation in which two or more processes continuo...

atomic attribute - -An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity - -The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of a transaction must be completed or the entire transaction is aborted. Boyce-Codd normal form (BCNF) - -A special type of third normal form (3NF) in which every ...

Many interesting science-, technology-, engineering-, and math-oriented websites provide open-source data to the public. Which of the following sites provide that information? Select all that apply. - AnswerDATA.GOV NYC Open Data National Cancer Institute What four properties must be achieved for transactions to change data in a relational database? Select all that apply. - Answer-Atomicity Consistency Isolation Durability Which of the following are components of a database system? Sele...

SNHU DAD 220 - 1-3 Quiz | Latest Version | 2024/2025 | Graded A+ In two-tier architecture, what database components are present? Select all that apply. Client Server What is a database management system (DBMS)? Select one. A software application used to support data organization in a database True or false: SQL contains four statements for a database command. False True or false: Structured Query Language (SQL) is a popular query language used to communicate with a database syste...

The term ____________ refers to a technique in which a process can do nothing until it gets permission to enter its critical section but continues to execute an instruction or set of instructions that tests the appropriate variable to gain entrance. - spin (busy) waiting It is possible in a single-processor system to not only interleave the execution of multiple processes but also to overlap them. - False Race condition is a situation in which two or more processes continuously change thei...

3 Vs Correct Answer Three basic characteristics of Big Data databases: volume, velocity, and variety. Abstract data type (ADT) Correct Answer Data type that describes a set of similar objects with shared and encapsulated data representation and methods. A(n)___ is generally used to describe complex objects. See also class. Ad hoc query Correct Answer A "spur-of-the-moment" question. Alias Correct Answer An alternative name for a column or table in a SQL statement. ALTER TABLE Corre...

DAD 220 Exam Questions And Answers (Verified And Updated) Many websites provide open-source data about science, technology, engineering, and math. Which of these sites provide open-source data to the public? Select all that apply. Question options: D W NYC Open Data National Cancer Institute International Genetics Foundation C USPostalService.GOV - answerD NYC Open Data National Cancer Institute In a relational database, what four properties must be achieved for transactions to cha...

WGU C175 - Data Management - Foundations - Lesson 5. Exam Review. Easy To Master. Graded A+ atomic attribute - -An attribute that cannot be further subdivided to produce meaningful components. For example, a person's last name attribute cannot be meaningfully subdivided. atomicity - -The transaction property that requires all parts of a transaction to be treated as a single, indivisible, logical unit of work. All parts of a transaction must be completed or the entire transaction is a...