Composite entity - Study guides, Class 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...

RDAEF2 State Board Written Questions & Answers A+ 2024/2025 1) What can cause an "Open bite" - ANSWER-constant force on anterior teeth; thumb sucking 2) Overbite - ANSWER-refers to vertical relationship to anterior teeth when in central occlusion 3) Overjet - ANSWER-refers to horizontal relationship between anterior teeth when in central occlusion 4) What are the two main components in amalgam? - ANSWER-Silver and Mercury 5) Alginate - ANSWER-Most widely used imp material for pr...

WGU D426 V2 Questions and Answers Already Passed What is a transaction in the context of a database? A transaction is a sequence of database operations that are treated as a single unit, ensuring that all operations are completed successfully or none at all, to maintain data integrity. What are ACID properties in database management? ACID properties—Atomicity, Consistency, Isolation, Durability—ensure that database transactions are processed reliably and maintain data integr...

WGU C175 Study Actual Exam Questions And Answers 2025 With Complete Solutions A File Having No Internal Hierarchy. A. Hierarchical File B. Flat File C. Relational File D. Indexed File A File That Has Been Encrypted For Security Purposes. A. Plain Text File B. Compressed File C. Hashed File D. Encrypted File An Unsorted Set Of Records. A. Ordered File B. Sorted File C. Heap File D. Binary File The Transformation Of Raw Data Into Useful Facts. A. Data Mining B. Information...

AREA Ans- In DB2, a named section of permanent storage space that is reserved to store the database. candidate key Ans- A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. closure Ans- A property of relational operators that permits the use of relational algebra operators on existing tables (relations) to produce new relations. composite entity Ans- An entity designed to transform an M:N relationship into two 1:M relationships...

BDOC Maritime Warfare Exam Questions with 100% Verified Correct Answers 2025 How does the Command and Control system control chaos? - Correct Answer -Gather info -Process info -Disseminate info -Protect info -Make tactical decisions -Conduct Naval ops at sea What are the 4 types of Command Relationships? - Correct Answer -COCOM -OPCON -TACON -Support COCOM - Correct Answer Command Authority -inherent with Combatant Commander OPCON - Correct Answer Operational Command TACON ...

WGU C170 DATA MANAGEMENT – APPLICATIONS EXAM 2024 WITH 100% CORRECT ANSWERS In data modeling, the construct used to organize and describe an attribute's set of possible values - correct answer domain An attribute or attributes that uniquely identify each entity in a table. Any composite key with this is also this. - correct answer superkey A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey - correct answer candidate key The pr...

AREA - Answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - Answer See composite entity. bridge entity - Answer See composite entity. candidate key - Answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - Answer A property of relational operators that permits the use of relational algebra operators on existing tables (relations...

WGU C170 Prerequisite pretest Exam training Questions with Rated A + Marking Scheme Latest 2024/2025 AREA - correct answer In DB2, a named section of permanent storage space that is reserved to store the database. associative entity - correct answer See composite entity. bridge entity - correct answer See composite entity. candidate key - correct answer A minimal superkey; that is, a key that does not contain a subset of attributes that is itself a superkey. See key. closure - cor...

WGU C170 Exam (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A Q: What are homonyms and synonyms, and why should they be avoided in database design? Answer: Homonyms appear when more than one attribute has the same name. Synonyms exist when the same attribute has more than one name. Avoid both to avoid inconsistencies. Q: How would you implement a 1:M relationship in a database composed of two tables? Answer: A car is owned just by one custome...

ESSENTIAL WASTEWATER ADMINISTRATOR PRACTICE TEST 2024 What is the dominating organic entity in a solid enacted slop treatment plant? A. Followed ciliates B. rotifers C. nematodes D. single adaptable cells - ANSWER ☑☑A. Followed Ciliates A composite example should be? A. irregularly gathered in the treatment plant B. taken at one time C. examined right away D. delegate and sub-tests time divided more than 15 minutes separated - ANSWER ☑☑D. delegate and sub-tests time div...