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question use the ch08fact database shown in figure p844 for problems with very large results sets only the first
question use the ch08aviaco database shown in figure to work problemsmodify the model table to add the attribute and
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question 1 the relational set operators union intersect and except minus work properly only when the relations are
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question suppose you have been given the table structure and data shown in table p69 which was imported from an excel
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question 1 what is the difference between a column constraint and a table constraint2 what are referential constraint
question 1 explain why the following two commands produce different results select distinct count vcode from product
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question the journal of e-commerce research knowledge is a prestigious information systems research journal it uses a
question 1 what is an overlapping subtype give an example2 what is the difference between partial completeness and
question given the dependency diagram shown in figure answer items 6a-6ca identify and discuss each of the indicated
question the dependency diagram in figure indicates that authors are paid royalties for each book they write for a
question the dependency diagram in figure indicates that a patient can receive many prescriptions for one or more
question 1 what is normalization2 when is a table in 1nf3 when is a table in 2nf4 when is a table in 3nf5 when is a