Decisional BCNF: Revision history

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• curprev 11:2311:23, 15 February 2023‎ Admin talk contribs‎ 1,387 bytes +1,387‎ Created page with "{{DISPLAYTITLE:Decisional BCNF (BCNF Decomposition)}} == Description == Decisional BCNF is the problem of deciding whether or not a relation schema can be turned into Boyce-Codd normal form (BCNF). A relation schema $R$ is in Boyce Codd Normal Form (abbr. BCNF) if for all non-trivial FDs $X \rightarrow Y$ in $F^+$, $X$ is a superkey. In extending this notion to database schemas, we must be conscious of the UR-assumption. We say that $R_i = <ATTR_i,F_i>$ is in BCNF if..."