Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to something that can be identified in the user's work environment, something that the users want to track? Entity Relationship Attribute Identifier Entity Relationship Attribute Identifier ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL None of these MODIFY ALLOCATES ALTER TABLE MODIFY TABLE REDEFINE TABLE None of these MODIFY ALLOCATES ALTER TABLE MODIFY TABLE REDEFINE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system allow you to entry data in all the forms None of these lets you define different forms for different operations both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users allow you to entry data in all the forms None of these lets you define different forms for different operations both (a) and (b) lets you create a look-up form with an associated read-only password to prevent access by unauthorized users ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
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