Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ERD Greater Entity Count (GEC) Minimum cardinality Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used None of these to create a database trigger All of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to add/rename data files, to change storage None of these to create a database trigger All of these to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to add/rename data files, to change storage ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The Management Information system (MIS) structure with one main computer system is called a distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure distributed MIS structure centralized MIS structure hierarchical MIS structure decentralized MIS structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common None of these both (b) and (c) they have no records with the same value in the common field they have a field in common they have a row in common None of these both (b) and (c) they have no records with the same value in the common field they have a field in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Instance entity Supertype entity Archetype entity Subtype entity Instance entity Supertype entity Archetype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Prior to 1970, all data was stored in separate files, which were mostly stored on reels of magnetic tape. True False True False ANSWER DOWNLOAD EXAMIANS APP
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