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Questions by HM
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database system concepts, self doubt
select all the right options $\forall_{t_1, \;t_2 \;\in \;r(R)}\big[(t_1(\alpha)=t_2(\alpha))\; \rightarrow (t_1(\beta)=t_2(\beta))\big]$ implies that there is $\alpha \rightarrow \beta$ ... functional dependencies should be possible on individual decomposed relations or when they joined. BCNF decomposition of a relation is default lossless decomposition.
select all the right options$\forall_{t_1, \;t_2 \;\in \;r(R)}\big[(t_1(\alpha)=t_2(\alpha))\; \rightarrow (t_1(\beta)=t_2(\beta))\big]$ implies that there is $\alpha \ri...
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Sep 16, 2022
Databases
databases
database-normalization
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