Introduction to Database System Which of the following contains a complete record of all activity that affected the contents of a database during a certain period of time? query language transaction log report writer None of these data manipulation language query language transaction log report writer None of these data manipulation language ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple It allows a many-to-many relationship It is a physical representation of the data It will be the dominant data base of the future It is conceptually simple 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? Identifier Relationship Entity Attribute Identifier Relationship Entity Attribute ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE VIEW command is used to recompile a table to recompile view to create a trigger to define a view of one or more tables or views to recompile a table to recompile view to create a trigger to define a view of one or more tables or views ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. True False True False ANSWER DOWNLOAD EXAMIANS APP