Db model Study guides, Revision notes & Summaries

WGU C175 / D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) Graded A+. Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key value 4 Ways Referential Integrity can be violated: - ANSWER- 1. Primary key is updated 2. Foreign key is updated 3. Row containing primary key is DELETED 4. Row containing foreign key is INSERTED 4 Actions to Correct Referential Integrity Violation: - A...

n entity in Outsystems is a way to - Model and store compound data, Equivalent to a DB table 4 main Layers of OutSystems Service Studio are... - Processes, Interface, Logic, and Data True or False-OutSystems is a strongly Typed language - True True or False-OutSystems is an Object Oriented language - False "Dot Notation" and Type inheritance are possible in the outsystems language - False-OutSystems is an not an Object Oriented langauge, so "Dot Notation" and Type inheritance are not possib...

True & False The objective of SOL performance tuning on the client side is to generate an SOL query that returns the correct answer in the least amount of time, using the maximum amount of resources on the server side All database transactions must display at least the properties of Atomicity, consistency, convenience, and isolation Database recovery techniques are based on the isolation transaction property which indicate that the data used during execution of a transaction cannot...

Includes everything from: Lecture 1: Data Management Systems, Relational, and SQL Lecture 2: Entity Relationships, and Translating from a Natural Lecture 3: Translating ERD to DB Schema, and Database Normalization Lecture 4: Evolution of Data Management, Big Data, and Data Intensive Systems Lecture 5: The Spark Ecosystem, RDDs, Programming Model, and PySpark Lecture 6: Data Transformations with SQL, Entity Recognition, Data Cleaning Tools

Nursing Informatics Certification Exam, ANCC Informatics, ANCC Nursing Informatics Certification Review 629 Questions with Answers Meta structure of NI - CORRECT ANSWER The ability of the nurse to utilize data, information, and knowledge to make wise clinical decisions. Definition of Nursing Informatics - CORRECT ANSWER A speciality that integrates nursing science with multiple information and analytical sciences to identify, define, manage and communicate data, information, knowledge and ...

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? Sequ...

IT2 STUDY ADVANCEMENT EXAM | 734 Questions and Answers (100%Verified Answers) 2024/2025. Which type of network are the workstations basewide as in one command connected to another command or one base connected to another base? (Page 1-1) Correct Answer: Metropolitan Area Network (MAN) During the pinging process what is the ping that is sent out called? (Page 1-6) Correct Answer: Echo message Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Pag...

OCI Foundations Practice Exam Questions and Answers What does compute instance vertical scaling mean? - Adding additional compute instances - Changing to a larger or smaller shape - Providing fault tolerance - Enabling disaster recovery -Answer-Changing to large or smaller shape - New shape must have the same hardware architecture Which resource do you (as the customer) manage in IaaS? Storage Networking Servers Operating System -Answer-Operating system A company has developed a pay...

IT2 STUDY ADVANCEMENT EXAM | 734 Questions and Answers (100%Verified Answers) 2024/2025. Which type of network are the workstations basewide as in one command connected to another command or one base connected to another base? (Page 1-1) Correct Answer: Metropolitan Area Network (MAN) During the pinging process what is the ping that is sent out called? (Page 1-6) Correct Answer: Echo message Which names are reserved by DOS to reserve the first serial and parallel ports, respectively? (Pag...

WGU C175/D426 DATA MANAGEMENT FOUNDATIONS OA EXAM Questions With Verified Answers (100% Correct) Graded A+. 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 Define: Referential Integrity - ANSWER- Requires that ALL foreign key values must either be fully NULL or match some primary key...