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Question: What is the role of a transaction manager in a distributed database?Options: To manage dat..
Question: Which of the following is NOT a type of distributed database architecture?Options: Homogen..
Question: What is a common challenge in distributed databases?Options: Data normalizationNetwork lat..
Question: In a distributed database, what is the purpose of data replication?Options: To ensure data..
Question: Which of the following is a benefit of distributed databases?Options: Increased data redun..
Question: What is a distributed database?Options: A database that is stored on a single serverA data..
Question: In a star schema, what type of table is the central fact table surrounded by?Options: Dime..
Question: What is a transaction in the context of a database?Options: A single SQL commandA sequence..
Question: What is a primary key?Options: A unique identifier for a recordA foreign key referenceAn i..
Question: Which architecture is commonly used in modern DBMS?Options: Single-tier architectureTwo-ti..
Question: Which of the following describes a \'transaction\' in a database?Options: A single operati..
Question: What is the purpose of indexing in a database?Options: To enforce data integrityTo speed u..
Question: Which of the following is a characteristic of a well-designed database?Options: High data ..
Question: In a database, what does a \'foreign key\' do?Options: Links two tables togetherIdentifies..
Question: What is the main goal of the Third Normal Form (3NF)?Options: To eliminate transitive depe..
Question: Which of the following is NOT a benefit of normalization?Options: Reduced data redundancyI..
Question: What is a common consequence of not normalizing a database?Options: Increased data integri..
Question: In the context of ER modeling, what does an \'entity\' represent?Options: A relationship b..
Question: Which normal form requires that a table is in 1NF and all non-key attributes are fully fun..
Question: How many ways can you arrange the letters in the word \'MATH\'?Options: 12241620Correct An..
Question: Find the value of the limit: lim (x -> 0) (sin x)/x.Options: 01∞undefinedCorrect Answer: 1..
Question: What is the value of cos(60°)?Options: 01/2√3/21Correct Answer: 1/2Solution: cos(60°) = 1/..
Question: Find the area of the triangle with vertices at (0,0), (4,0), and (0,3).Options: 612810Corr..
Question: What is the value of sin(30°)?Options: 01/2√3/21Correct Answer: 1/2Solution: sin(30°) = 1/..
Question: Solve for x: 2x^2 - 8x + 6 = 0.Options: 1324Correct Answer: 3Solution: Using the quadratic..
Question: What is the derivative of f(x) = 3x^2 + 5x - 7?Options: 3x + 56x + 56x - 53x^2 + 5Correct ..
Question: What is the main purpose of data normalization in a data warehouse?Options: To reduce data..
Question: Which concurrency control method is commonly used in data warehousing?Options: Pessimistic..
Question: What is the role of a dimension table in a data warehouse?Options: To store transactional ..
Question: Which of the following best describes data mart?Options: A large-scale data warehouseA sub..