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1. |
Consider the following statements regarding database normal forms:1. Any relation with two attributes is BCNF.2. Lossless, dependency - preserving decomposition into BCNF is always possible.3. Lossless, dependency - preserving decomposition into 3NF is always possible.4. BCNF is stricter than 3NF.Which of the above statements are correct? |
A. | 1, 2 and 3 |
B. | 1, 3 and 4 |
C. | 1, 2 and 4 |
D. | 2, 3 and 4 |
Answer» C. 1, 2 and 4 | |