Introduction to Database System The PROJECT command will create new table that has more rows than the original table none of the listed here both of the listed here more fields than the original table more rows than the original table none of the listed here both of the listed here more fields than the original table 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-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship One-to-Many Relationship Many-to-Many Relationship One-to-One Relationship Composite Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Directory information Database Information tree Information provider Directory information Database Information tree Information provider ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field record data item data base field record data item data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
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