Introduction to Database System Which command is used to remove an index from the database in SQL? DELETE INDEX REMOVE INDEX DROP INDEX ROLL BACK INDEX DELETE INDEX REMOVE INDEX DROP INDEX ROLL BACK INDEX 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 dBase-II R:base IDMS DB2 dBase-II R:base IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? monitoring performance None of these creating and maintaining the data dictionary removing flagged records for deletion creating the physical and logical designs monitoring performance None of these creating and maintaining the data dictionary removing flagged records for deletion creating the physical and logical designs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An on-line commercial site such as Amazon.com is an example of a(n) ________ . single-user database application e-commerce database application data mining database application multiuser database application single-user database application e-commerce database application data mining database application multiuser database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. split the relation into two relations, each with a single theme. add a composite key. change the theme. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to organize a file in multiple ways, it is better to _____ the data rather than to sort it. None of these Delete Update Index Sort Key None of these Delete Update Index Sort Key ANSWER DOWNLOAD EXAMIANS APP
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