Introduction to Database System Entity instances are associated by relationship classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier typically uses more than one attribute. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation has cells that hold multi-value entries. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: foreign keys. composite keys. determinants. candidate keys. foreign keys. composite keys. determinants. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as an orderly collection of data items None of these a single data item a general collection of data items a random collection of data items an orderly collection of data items None of these a single data item a general collection of data items a random collection of data items ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS All of the listed here what attribute are possessed by the data what files are in the database what these files contain All of the listed here what attribute are possessed by the data what files are in the database what these files contain ANSWER DOWNLOAD EXAMIANS APP