Introduction to Database System Which of the following is a group of one or more attributes that uniquely identifies a row? Key Tuple Determinant Relation Key Tuple Determinant Relation ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language query language and utilities data dictionary and transaction log None of the listed here data dictionary and query language 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
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 A database is called "self-describing" because it contains a description of itself. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which language has recently become the de-facto standard for interfacing application programs with relational database system? SQL None of these 4GL Oracle dBASE SQL None of these 4GL Oracle dBASE ANSWER DOWNLOAD EXAMIANS APP
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