Introduction to Database System A _____ means that one record in a particular record type may be related to more than one record of another record type. Many-to many relationship One-to-one relationship One-to-many relationship Many-to-one relationship Many-to many relationship One-to-one relationship One-to-many relationship Many-to-one relationship 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
Introduction to Database System Properties that describe the characteristics of entities are called: identifiers. entities. attributes. relationships. identifiers. entities. attributes. relationships. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In any hierarchy of data organization, the smallest entity to be processed as a single unit is called data record database data file data field None of these data record database data file data field None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called file system databases None of these fields records file system databases None of these fields records ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ANSWER DOWNLOAD EXAMIANS APP