Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches None of these controlling the input of each input clerk All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches None of these controlling the input of each input clerk All of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attributes A and B determine attribute C, then it is also true that: C is a determinant. (A,B) is a composite determinant. B → A → C is a determinant. (A,B) is a composite determinant. B → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: candidate keys. composite keys. determinants. foreign keys. candidate keys. composite keys. determinants. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS COBOL programs Users Database applications DBMS COBOL programs Users Database applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following can many entity instances of one type be related to many entity instances of another type? One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship 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? Entity Identifier Attribute Relationship Entity Identifier Attribute Relationship ANSWER DOWNLOAD EXAMIANS APP
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