Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-independent entity Weak entity ID-dependent entity Strong entity ID-independent entity Weak entity ID-dependent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record contains only a list of keys and record numbers None of these is sorted in ascending order both (b) and (c) has a number assigned to each record contains only a list of keys and record numbers None of these is sorted in ascending order both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One data dictionary software package is called ACCESS TOTAL DB/DC dictionary None of these any of the above ACCESS TOTAL DB/DC dictionary None of these any of the above ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products was the first to implement true relational algebra in a PC DBMS? R:base dBase-II Oracle IDMS R:base dBase-II Oracle IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER CHANGE USER MODIFY USER All of the listed here ALTER TRIGGER ANSWER DOWNLOAD EXAMIANS APP
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