Introduction to Database System Entities of a given type are grouped into a(n): database. ER entity class. attribute. database. ER entity class. attribute. 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 → A → (B,C). (B,C) → A → A → A → (B,C). (B,C) → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? UNATTACH TABLE ERASE TABLE DELETE TABLE DROP TABLE UNATTACH TABLE ERASE TABLE DELETE TABLE DROP TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products implemented the CODASYL DBTG model? IDMS dBase-II DB2 R:base IDMS dBase-II DB2 R:base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Keys made up of two or more attributes are called composite keys. False True False True ANSWER DOWNLOAD EXAMIANS APP
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