共找到 1204854 与areeagertokeeppeacebytwistingtheirbodies. 相关的结果,耗时1386 ms
关系模式R(U,F),其中U={C,T,H,I,S,G},F={CS→G,C→T,TH→I,HI→C,HS→I}。关系模式R的候选键是(45),(46)是无损连接并保持函数依赖的分解。(46)A.HCSB.HIC.HSD.HSI
A.{A}{A,B,C,D,E}{A,B,C,D,E,F,G,H,I,J,K}B.{F}{G}{H}{I}{J}{K}{B,F,G}{C,H}{D,I,J}{E,K}{A,B,C,D,E,E,G,H,I,J,K}C.{K}{J}{I}{H}{G}{F}{B}{C}{D}{E}{A,B,C,D,E,
A.{A}{A,B,C,D,E}{A,B,C,D,E,P,G,H,I,J,K}B.{F}{G}{H}{I}{J}{K}{B,F,G}{C,H}{D,I,J}{E,K}{A,B,C,D,E,F,G,H,I,J,K}C.{K}{J}{I}{H}{G}{F}{B}{C}{D}{E}{A,B,C,D,E,
A.(C, B, D, A, P, E, I, J, G, H)B.(C, B, D, A, E, F, I, G, J, H)C.(B, A, D, E, F, G, I, J, H, C)D.(B, C, D, A, E, F, I, J, G, H)
A.(A, B, D, C, F, E, I, J, H, G)B.(A, B, D, C, E, F, I, H, G, J)C.(B, F, G, E, A, I, D, C, H, J)D.(B, F, G, J, A, E, D, I, C, H)
A.(C, B, D, A, F, E, I, J, G, H)B.(C, B, D, A, E, F, I, G, J, H)C.(B, A, D, E, F, G, I, J, H, C)D.(B, C, D, A, E, F, I, J, G, H)
A.(A, B, D, C, P, E, I, J, H, G)B.(A, B, D, C, E, F, I, H, G, J)C.(B, P, G, E, A, I, D, C, H, J)D.(B, F, G, J, A, E, D, I, C, H)
A.σ(i+j)θr (R×S)B.σ(i+r)θj (R×S)C.σiθ(r+j) (R×S)D.σiθj (R×S)
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