Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Relation Determinant Tuple Key Relation Determinant Tuple Key ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS each user can "see" only a small part of the entire database each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here each user can "see" only a small part of the entire database each subschema contains every field in the logical schema each user can access every sub¬schema all of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE VIEW command is used to recompile a table to recompile view to define a view of one or more tables or views to create a trigger to recompile a table to recompile view to define a view of one or more tables or views to create a trigger ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Greater Entity Count (GEC) ERD Maximum cardinality Minimum cardinality Greater Entity Count (GEC) ERD Maximum cardinality Minimum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Update Index Sort Key Delete None of these Update Index Sort Key Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In which of the following is a single-entity instance of one type of related to a single-entity instance of another type? Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship Many-to-Many Relationship Composite Relationship One-to-One Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
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