Introduction to Database System In SQL, which command is used to make permanent changes made by statements issue since the beginning of a transaction? COMMIT ZIP PACK SAVE COMMIT ZIP PACK SAVE 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 Which of the following is true of a network structure? It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: B → A → (A,B) is a composite determinant. C is a determinant. B → A → (A,B) is a composite determinant. C is a determinant. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The different classes of relations created by the technique for preventing modification anomalies are called: functional dependencies. None of these normal forms. referential integrity constraints. functional dependencies. None of these normal forms. referential integrity constraints. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
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