Introduction to Database System Properties that describe the characteristics of entities are called: attributes. relationships. entities. identifiers. attributes. relationships. entities. identifiers. 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 both (a) and (b) None of these it can be more easily accessed changing the data is one spot will cause data inconsistency storage space is wasted both (a) and (b) None of these it can be more easily accessed changing the data is one spot will cause data inconsistency ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a data item data base field record data item data base field record ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is controlling the input of each input clerk None of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these controlling the input of each input clerk None of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database has data and relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
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