Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A _____ database does not use pointers or physical links, but instead finds related records by examining the contents of fields. None of these Object-Oriented Hierarchical Network Relational None of these Object-Oriented Hierarchical Network Relational ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here MODIFY TABLE ALTER TABLE DEFINE TABLE All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Given the functional dependency R → (S,T) , then it is also true that R → S. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data security threats include fraudulent manipulation of data privacy invasion all of the listed here hardware failure fraudulent manipulation of data privacy invasion all of the listed here hardware failure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows SELECT DISTINCT All of these SELECT UNIQUE SELECT DIFFERENT None of these SELECT DISTINCT All of these SELECT UNIQUE SELECT DIFFERENT None of these ANSWER DOWNLOAD EXAMIANS APP
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