Introduction to Database System All instances of an entity class have the same attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The primary key is selected from the: determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The distinguishable parts of a record are called files database None of these fields data files database None of these fields data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If attribute A determines both attributes B and C, then it is also true that: (B,C) → B → A → C → (B,C) → B → A → C → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a database, data is stored in spreadsheets which have rows and columns. False True False True ANSWER DOWNLOAD EXAMIANS APP
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