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? Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table INSERT COLUMN MODIFY TABLE ALTER TABLE ADD COLUMN INSERT COLUMN MODIFY TABLE ALTER TABLE ADD COLUMN ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want your database to include methods, you should use a _____ database. Object-Oriented Distributed Network Hierarchical Object-Oriented Distributed Network Hierarchical ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after None of these Delete All of these Insert Look-up None of these Delete All of these Insert Look-up 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? Log file Specialized file Master file Update file Log file Specialized file Master file Update file ANSWER DOWNLOAD EXAMIANS APP