Introduction to Database System A functional dependency is a relationship between or among: rows. relations. tables. attributes. rows. relations. tables. attributes. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted None of these both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency storage space is wasted None of these both (a) and (b) it can be more easily accessed changing the data is one spot will cause data inconsistency ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. create a new theme. split the relation into two relations, each with a single theme. change the theme. add a composite key. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? PACK COMMIT ZIP SAVE PACK COMMIT ZIP SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
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