Introduction to Database System A subtype entity is a special case of another entity called a supertype entity. True False True False 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. instance child subtype parent instance child subtype parent ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for improving data integrity reducing storage space requirements None of these protecting data in data communication systems All of these improving data integrity reducing storage space requirements None of these protecting data in data communication systems All of these 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-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship One-to-One Relationship One-to-Many Relationship Composite Relationship Many-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here Both of the listed here two users of the DBMS are interacting with different files at the same time Two concurrent activities interact to cause a processing error None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file produced by a spreadsheet is generally stored on disk in an ASCII text format all of the listed here can be used for graphic can be used as it by the DBMS is generally stored on disk in an ASCII text format all of the listed here can be used for graphic can be used as it by the DBMS ANSWER DOWNLOAD EXAMIANS APP