Introduction to Database System Queries to a database None of these are written in English can use aggregate functions like SUM and COUNT All of these both (a) and (b) None of these are written in English can use aggregate functions like SUM and COUNT All of these both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: identifiers. entities. attributes. relationships. identifiers. entities. attributes. relationships. 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 → (B,C). (B,C) → A → A → A → (B,C). (B,C) → A → A → ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products implemented the CODASYL DBTG model? IDMS R:base DB2 dBase-II IDMS R:base DB2 dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? IDMS R:base Oracle dBase-II IDMS R:base Oracle dBase-II ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. False True False True ANSWER DOWNLOAD EXAMIANS APP
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