Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True 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? ERD Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ERD Minimum cardinality Maximum cardinality Greater Entity Count (GEC) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: B → A → C → (B,C) → B → A → C → (B,C) → 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-independent entity ID-dependent entity Strong entity Weak entity ID-independent entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The term _____ is sometimes used to refer to a data file in which all the records have the same record format, that is, the same field names, field lengths, and data types. None of these Table Flat file Data structure Database None of these Table Flat file Data structure Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? UPDATE APPEND INSERT BROWSE UPDATE APPEND INSERT BROWSE ANSWER DOWNLOAD EXAMIANS APP
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