Introduction to Database System A key is a group of one or more attributes that uniquely identifies a row. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: data-base administrator None of these data base users separate files data-base administrator None of these data base users separate files ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Properties that describe the characteristics of entities are called: entities. attributes. relationships. identifiers. entities. attributes. relationships. identifiers. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → S , R is called the determinant. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are functions of a DBMS except ________ . creating and processing forms creating databases administrating databases processing data creating and processing forms creating databases administrating databases processing data ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was an early implementation of the relational model developed by E.F. Codd of IBM? DB2 R:base dBase-II IDMS DB2 R:base dBase-II IDMS ANSWER DOWNLOAD EXAMIANS APP
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