Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT are written in English None of these both (a) and (b) All of these can use aggregate functions like SUM and COUNT are written in English None of these both (a) and (b) All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity. instance parent subtype child instance parent subtype child ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for reducing storage space requirements protecting data in data communication systems None of these All of these improving data integrity reducing storage space requirements protecting data in data communication systems None of these All of these improving data integrity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called TOTAL any of the above ACCESS None of these DB/DC dictionary TOTAL any of the above ACCESS None of these DB/DC dictionary ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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