Introduction to Database System Which of the following indicates the maximum number of entities that can be involved in a relationship? Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error Both of the listed here two users of the DBMS are interacting with different files at the same time None of the listed here Two concurrent activities interact to cause a processing error Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. True False True False 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? One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship One-to-One Relationship Composite Relationship Many-to-Many Relationship One-to-Many Relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that: A → A → (B,C) → A → (B,C). A → A → (B,C) → A → (B,C). ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
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