Introduction to Database System The functional dependency R → S means that the value of S can be determined when we are given a value of R. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: candidate keys. foreign keys. determinants. composite keys. candidate keys. foreign keys. determinants. composite keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not characteristic of a relational database model? records treelike structure complex logical relationships tables records treelike structure complex logical relationships tables ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary doesn't provide information about: the size of the disk storage device It will be the dominant data base of the future It is conceptually simple where data is located It allows a many-to-many relationship the size of the disk storage device It will be the dominant data base of the future It is conceptually simple where data is located It allows a many-to-many relationship ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file contains several records. What does each record contain? Words Bytes Fields Database Words Bytes Fields Database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? Database applications Users DBMS COBOL programs Database applications Users DBMS COBOL programs ANSWER DOWNLOAD EXAMIANS APP
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