Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → B → C → A → (B,C) → B → C → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An entity class is a collection of entities and is described by the structure of the entities in that class. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. 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 ZIP COMMIT SAVE PACK ZIP COMMIT SAVE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Entities Attributes Relationships Identifiers Entities Attributes Relationships Identifiers ANSWER DOWNLOAD EXAMIANS APP
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