Database abstraction - Study guides, Class notes & Summaries

Reference Types Refers to an object, doesn't hold the value of the object they refer to, and stores the memory address where the object is located. Can be assigned null. Object Instance of a class Primitive Types Boolean, int, byte, double, float, long, don't have methods declared to them. Literal Fixed value that doesn't need further calculations in order to be assigned to a variable Local Variables Defined within a method, must be initialized before use. In ...

AP CSP Latest Update 100% Pass Algorithm A precise sequence of instructions for processes that can be implemented in a programming language and executed by a computer. Control Structure one or more programming language statements that control the flow of a computer program. Examples: If/Else structure or a loop structure. Computer a machine that processes information under the control of a program. Program sequence of instructions that control the computer. To run, it must be loaded into the ...

INSY 3304 FINAL REVIEW STUDY GUIDE WITH COMPLETE SOLUTIONS Limitations of a file system in data management - Answer-- Data dependence - Structural dependence - Data redundancy leading to deletion, insertion, and modification anomalies Components of a DBMS/database Environment - Answer-- hardware, software, people, procedure, and data Data Modeling - Answer-is iterative and progressive Database models - Answer-Conceptual and Implementation Conceptual - Answer-The conceptual model provid...

What is a DBMS - correct answer A Database Management System is a software package designed to store and manage databases. What does a DBMS store? - correct answer A very large, integrated collection of data. What does a DBMS model? - correct answer A real-world enterprise. What information does a DBMS model? - correct answer Entities (e.g., students, courses) Relationships (e.g., Madonna is taking CS564) • When would you store data in a DBMS instead of in operating system fil...

Atomic Object Factory: Efficient, Consistent and Dependable Support for Distributed Objects Research report Pierre Sutra Télécom SudParis, CNRS Université Paris-Saclay, France Etienne Rivière University of Neuchâtel, Switzerland Cristian Cotes, Marc Sánchez Artigas, Pedro Garcia Lopez Universitat Rovira i Virgili Tarragona, Spain Emmanuel Bernard, William Burns, Galder Zamarreño Red Hat ABSTRACT This paper introduces Atomic Object Factory (AOF), a novel implementation...

ISQS 2340 Exam 3 Questions With Correct Answers A+ Review In quantum computing, "A" is represented as what combination of numbers as explained to the child? - ANS- When the woman is explaining to the teenager, she uses the analogy of the giant penny and deciding whether it is heads or tails whilst spinning on its side. What property of quantum computing is she describing in the use of this analogy? - ANS-superposition Describe the property of "entanglement" as you understand it based...

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APCSP Practice Test 100% Correct What is the best explanation for digital data is represented in computers in binary? A. The binary number system is the only number system flexible enough to allow for representing data other than numbers. B. As a consequence of history: early pioneers of computing were making secret codes in binary, and this simply evolved into modern computing. C. It's impossible to build a computer machine that uses anything but binary to represent numbers. D. It's e...

Smartsheet Vocabulary Account - answerA unique profile in Smartsheet as defined by an email address. Accounts can be licensed users, non-licensed users, or free collaborators. Agile View - answerLet's you view your issue on your Scrum or Kanban board. Assignee - answer[Connector, Product] The person to whom the issue is currently assigned. Attributes - answer[Product] The parts of the JSON object that label the pieces of data being returned or sent in the body. Ex: In this object { "name...

Which type of installation method installs an operating system on the computer without saving any existing files or settings? A) Unattended B) Upgrade C) Repair D) Clean Clean Which of the following is a technology from Apple which enables Mac to boot from a network? A) NAT B) Multiboot C) NetBoot D) VDI NetBoot Which of the following drive formats is used for data and audio CD-ROMs? A) UDF B) HFS C) CDFS D) NTFS CDFS Which OS category is used for computers th...