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 A data dictionary doesn't provide information about: the size of the disk storage device where data is located It is conceptually simple It will be the dominant data base of the future It allows a many-to-many relationship the size of the disk storage device where data is located It is conceptually simple It will be the dominant data base of the future It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A list in alphabetical order None of these is in descending order is the result of a sort operation both (b) and (c) is in ascending order None of these is in descending order is the result of a sort operation both (b) and (c) is in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems All of these improving data integrity None of these reducing storage space requirements protecting data in data communication systems All of these improving data integrity None of these reducing storage space requirements ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational database model was created by E.F. Codd. False True False True ANSWER DOWNLOAD EXAMIANS APP
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