Introduction to Database System Queries to a database are written in English can use aggregate functions like SUM and COUNT All of these both (a) and (b) None of these are written in English can use aggregate functions like SUM and COUNT All of these both (a) and (b) None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Master file Specialized file Log file Update file Master file Specialized file Log file Update file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts file using two keys establishes an index for a file None of the listed here sorts a file using a single key sorts file using two keys establishes an index for a file None of the listed here sorts a file using a single key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity. subtype child instance parent subtype child instance parent ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The degree of a relationship refers to the number of entity classes in the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities can be associated with one another in which of the following? Identifiers Entities Attributes Relationships Identifiers Entities Attributes Relationships ANSWER DOWNLOAD EXAMIANS APP