Recent questions tagged goclasses-da-dpp-day-277

Consider $\text{GSL}(D,M,N_1,N_2,G_1,G_2,C_1,C_2,E,R)$, where $M$ is the primary key, together with$M\to D,$$E\to R,$$N_1\to G_1C_1,$$N_2\to G_2C_2,$$G_1C_1\to N_1,$$G_2C...

Consider $R(A,B,C,D,E)$ with $F=\{AB\to C,\ BC\to D,\ CD\to E,\ DE\to A\}$.Suppose the BCNF decomposition begins with the violating FD $:CD\to E$.Which set of relations i...

Consider $R(A,B,C,D,E)$ with $F=\{D\to B,\ DE\to A,\ C\to AD\}$.Which of the following is a valid BCNF decomposition of $R$?$\{DB,\ ADE,\ CE\}$ $\{CDA,\ DEB\}$ $\{DB,\ AC...

Consider $R(I,N,W,S,Q,T,P,R)$ with $F=\{N\to W,\ IN\to S\}$.Which of the following is the BCNF decomposition produced by successively removing these violations?$R_1(N,W)$...

Consider $R(A,B,C,D)$ with $F=\{A\to B,\ C\to D\}$. Which of the following is a correct BCNF decomposition of $R$?$R_1(A,B)$$R_2(C,D)$$R_3(A,C)$ $R_1(A,B,C)$$R_2(C,D)$ $R...