Introduction to Database System A relation has cells that hold multi-value entries. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS acts as an interface between what two components of an enterprise-class database system? Database application and SQL Data and the database Database application and the database The user and the database application Database application and SQL Data and the database Database application and the database The user and the database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An indexing operation sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys sorts a file using a single key establishes an index for a file None of the listed here sorts file using two keys ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is true of a network structure? It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future It is a physical representation of the data It is conceptually simple It allows a many-to-many relationship It will be the dominant data base of the future It is a physical representation of the data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database can use aggregate functions like SUM and COUNT All of these are written in English both (a) and (b) None of these can use aggregate functions like SUM and COUNT All of these are written in English both (a) and (b) None 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). (B,C) → A → A → A → (B,C). (B,C) → A → A → ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS