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Using RelaX and the sample database, create the RA expression to answer the following query:Find the d _ ids of Dealers who sell some Black
Using RelaX and the sample database, create the RA expression to answer the following query:Find the dids of Dealers who sell some Black Car and some Yellow CarWhich of the options below is the correct result set?Note: a new row in the result set is indicated by the "I" symbol in the answers options
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