Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a record data base data item field record data base data item field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: data base users None of these separate files data-base administrator data base users None of these separate files data-base administrator ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system allow you to entry data in all the forms lets you define different forms for different operations None of these lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) allow you to entry data in all the forms lets you define different forms for different operations None of these lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in 5NF when multivalued dependencies are isolated in their own relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: A → B → C is a determinant. (A,B) is a composite determinant. A → B → C is a determinant. (A,B) is a composite determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. child instance subtype parent child instance subtype parent ANSWER DOWNLOAD EXAMIANS APP
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