Composite primary key - Study guides, Class notes & Summaries

INF3703 Assignment 2 (COMPLETE ANSWERS) 2024 - DUE 28 June 2024 ;100 % TRUSTED workings, explanations and solutions. For assistance call or W.h.a.t.s.a.p.p us on ...(.+.2.5.4.7.7.9.5.4.0.1.3.2)........... Question 1 [30] As stated in the case, Skyworth follows the Systems Development Life Cycle (SDLC) (see page 529 of Coronel et al., 2020) to design information systems for their clients. In the planning phase, the database design and development team conducted a feasibility study to add...

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...

IV STEP explored the PT's role in preventing disabling conditions and evaluating ways to classify movement. Which of the below words is NOT a key theme or focus from IV step? A. Plasticity B. Participation C. Prediction D. Partnership - D. Partnership A patient informs you that they can no longer be the primary caregiver for their spouse. According to the ICF framework, this is referred to as a/an: A. Participation Restriction B. Functional Limitation C. Activity Limitation D....

Nora's Bagel Bin Database Blueprints Data Management - Applications - VHT2 A. Nora’s Bagel Bin Database Blueprints First Normal Form (1NF) BAGEL ORDER PK Bagel Order ID PK Bagel ID Order Date First Name Last Name Address 1 Address 2 City State Zip Mobile Phone Delivery Fee Bagel Name Bagel Description Bagel Price Bagel Quantity Special Notes The table is in the First Normal form, as it satisfies the following requirements: • Have a unique ide...

WGU C170 Data Management - Applications|Latest Update Complete with A+ Graded Answers Domain In data modeling, the construct used to organize and describe an attribute's set of possible values. Primary key (PK) An identifier composed of one or more attributes that uniquely identifies a row. Also, a candidate key selected as a unique entity identifier. A minimal superkey. Key One or more attributes that determine other attributes. Determination The role of a key. In the c...

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 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...

WGU C170 Study Guide (Latest 2024/ 2025 Update) Data Management Applications Exam| 100% Correct| Grade A Q: domain: In data modeling, the construct used to organize and describe an attribute's set of possible values. Q: entity integrity Answer: The property of a relational table that guarantees each entity has a unique value in a primary key and that the key has no null values. Q: equijoin Answer: A join operator that links tables based on an equality condition tha...

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 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...