Introduction to Database System Queries to a database both (a) and (b) All of these None of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) All of these None of these can use aggregate functions like SUM and COUNT are written in English ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Relationships Entities Identifiers Attributes Relationships Entities Identifiers Attributes ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to create a database user? MK USER ADD USER TO DATABASE CREATE USER All of the listed here MK USER ADD USER TO DATABASE CREATE USER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity 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 To have a file hold a list, it is necessary to identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. identify the records in the list decide which fields will be used as sort or index keys All of the listed here identify the name, width and type of the fields of each record. ANSWER DOWNLOAD EXAMIANS APP