WebJun 28, 2024 · Consider a relation scheme R = (A, B, C, D, E, H) on which the following functional dependencies hold: {A–>B, BC–>D, E–>C, D–>A}. What are the candidate … WebConsider the relational schema given below, where eId of the relation dependent is a foreign. key referring to empId of the relation employee. Assume that every employee …
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WebApr 19, 2024 · A portal for computer science studetns. It hosts well written, and well explained computer science and engineering articles, quizzes and practice/competitive programming/company interview Questions on subjects database management systems, operating systems, information retrieval, natural language processing, computer … http://openclassroom.stanford.edu/MainFolder/courses/cs145/old-site/docs/backup/reldesign-exercises.html
Webrelation R(A,B,C,D,E,F,G,H) with the following functional dependencies: A → BCD AD → E EFG → H F → GH (a) Based on these functional dependencies, there is one minimal key What is it? (b) One of the four functional dependencies can be removed without Which one? 5. relation R(A,B,C,D,E,F) with the following set of functional WebConsider the relation schema R (A, B, C, D, E, F) and the set S = {AB->C, BC->AD, D->E, C->B) of functional dependencies. Assuming that R is decomposed into the relation schemas R1 (A,B), R2 (B,C), R3 (A,B,D,E) and R4 (E,F). Use the Chase test to show if this is a lossless decomposition. arrow_forward
WebAnswer: Question Transcribed Image Text: 36 of 40 Consider the relation scheme R = {A, B, C, D, E, F, G, H} with the following set of functional dependencies: F = {A → D, BH –→ AC, DG → H, F → GH, GH → F} How many candidate keys this relation has? Answer: Expert Solution Want to see the full answer? Check out a sample Q&A here See Solution Web2) Choose the most appropriate word from the options given below to complete the following sentence. He could not understand the judges awarding her the first prize, because he thought that her performance was quite. . . . . . . . . . . .
WebQuestion: Consider the following database schema: R (A, B, C, D, E, F, G, H, I) with the set of functional dependencies {A → E, AD → BE, AC → E, E → B, BG → F, BE → D, BDH → E, F → A, D → H, CD → A} 4.1 Find the candidate keys of this schema.
WebMar 23, 2024 · Consider a relation R (A, B, C, D, E, F, G, H), where each attribute is atomic, and following functional dependencies exist. CH → G A → BC B → CFH E → A F → EG The relation R is ______. This question was previously asked in UGC NET Paper 3: Computer Science Nov 2024 Official Paper Download PDF Attempt Online View all UGC … go no 106 of apWebConsider a relational table with a single record for each registered student with the following attributes. 1. Registration_Num: Unique registration number of each registered student 2. UID: Unique identity number, unique at the national level for each citizen 3. BankAccount_Num: Unique account number at the bank. healther auld drWebConsider the relation scheme R = (E, F, G, H, I, J, K, L, M, N) and the set of functional dependencies {{E,F} → {G}, {F} → { I,J } , { E, H } → { K, L } , { K Back to feed Member at … healthera trainingWebFeb 22, 2016 · A portal for computer science studetns. It hosts well written, and well explained computer science and engineering articles, quizzes and practice/competitive programming/company interview Questions on subjects database management systems, operating systems, information retrieval, natural language processing, computer … heal therapy yrekaWebJun 1, 2024 · Discuss Consider a relation R (A, B, C, D, E, F, G, H), where each attribute is atomic, and following functional dependencies exist. CH → G A → BC B → CFH E → A F → EG The relation R is __________ . (A) in 1NF but not in 2NF (B) in 2NF but not in 3NF (C) in 3NF but not in BCNF (D) in BCNF Answer: (A) Explanation: If we find closure of A: healther comWebApr 10, 2024 · Example 2 –For example consider relation R(A, B, C) A -> BC, B -> A and B both are super keys so above relation is in BCNF. BCNF is free from redundancy. If a relation is in BCNF, then 3NF is also … healther baygasWebGet Edredo App. Download Edredo to keep connected on the go gonochoristic definition biology