Hierarchical database - Study guides, Class notes & Summaries

A tuple is one record or data set in a row - Answer-What are tuples and how are they used in databases? a.) A tuple is a collection of sequenced data fields b.) A tuple is one record or data set in a row c.) A tuple is a database field The flat file design is a single table database - Answer-What is the best description of a flat file database? a.) Flat file databases are hierarchical in nature. b.) Flat file databases are prevalent today because they provide relational functions. c.) T...

INSY 3304 FINAL REVIEW QUESTIONS & ANSWERS 2024/2025 Limitations of a file system in data management - ANSWERS- Data dependence - Structural dependence - Data redundancy leading to deletion, insertion, and modification anomalies Components of a DBMS/database Environment - ANSWERS- hardware, software, people, procedure, and data Data Modeling - ANSWERSis iterative and progressive Database models - ANSWERSConceptual and Implementation Conceptual - ANSWERSThe conceptual model pro...

WGU C175 Pre-Assessment What is a broad definition of data? - ANSWER Raw facts that are captured on printed or digital media What are data? - ANSWER Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? - ANSWER It does not follow a data model. Which is true about flat files? - ...

What is a broad definition of data? - Raw facts that are captured on printed or digital media What are data? - Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? - It does not follow a data model. Which is true about flat files? - They contain no internal hierarchical organization. Which technology has no internal hierarchy? - Flat files How were data retrieved before database management systems? - Sequentially from simple fil...

What is a broad definition of data? Raw facts that are captured on printed or digital media What are data? Facts that are collected and stored in a database system What is a determining characteristic of unstructured data? It does not follow a data model. Which is true about flat files? They contain no internal hierarchical organization. Which technology has no internal hierarchy? Flat files How were data retrieved before database management systems? Sequentially from simple files

In _______, data from transactions are collected over time and then processed all at once. o :# batch processing Which view of data deals with how the data is actually formatted and located? o :# Physical view A field that uniquely identifies each record. o :# Primary key A data field that represents a description or characteristic of some entity. o :# Attribute In the object-oriented database model, this term is the equivalent to a field in a relational model. o :# Attribute Typic...

WGU C724 Information Systems Management Unit 4 Test A tuple is one record or data set in a row -Answer-What are tuples and how are they used in databases? a.) A tuple is a collection of sequenced data fields b.) A tuple is one record or data set in a row c.) A tuple is a database field The flat file design is a single table database -Answer-What is the best description of a flat file database? a.) Flat file databases are hierarchical in nature. b.) Flat file databases are prevalent tod...

Common Database Models Flat File, Hierarchical, Relational, Object Oriented integrate the information stored and maintained by an organization database systems Database Administration Refers to the whole set of activities that ensure all databases are highly available, secure, scalable. Relational Database Multi-dimensional, allowing information to be accessed from various views through internal linking between entries. Traditional Flat File One dimensional: present i...

INS3707 Assignment 1 (DETAILED ANSWERS) Semester 2 2024 - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED - DISTINCTION GUARANTEED Answers, guidelines, workings and references ..... QUESTION 1 Choose the correct option from the list provided for each question. Write ONLY the correct letter of the alphabet next to the question number on your answer sheet, Example: 1.1 C. Each question counts 1 mark. 1.1 …. Is a list of words that can be used to retrieve information in an information s...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM ACTUAL EXAM 2 LATEST VERSIONS 300 QUESTIONS AND CORRECT DETAILED ANSWERS WITH RATIONALES (100% CORRECT AND VERIFIED ANSWERS)LATEST 2023|ALREADY GRADED A+ 2 What does modality refer to? How does it appear on ER diagram? - ANSWERRefers to the MINIMUM number of times an instance in one entity can be associated with instance of another entity (minima) Appears as a 0 or 1 on the relationship line, next to cardinality What is an important ...