Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Supertype entity Archetype entity Instance entity Subtype entity Supertype entity Archetype entity Instance entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to redefine a column of the table in SQL ? MODIFY TABLE all of the listed here DEFINE TABLE ALTER TABLE MODIFY TABLE all of the listed here DEFINE TABLE ALTER TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The following are functions of a DBMS except ________ . administrating databases processing data creating and processing forms creating databases administrating databases processing data creating and processing forms creating databases ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The index consists of All of these a list of keys None of these both (a) and (b) pointers to the master list All of these a list of keys None of these both (a) and (b) pointers to the master list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a large DBMS all of the listed here each subschema contains every field in the logical schema each user can access every sub¬schema each user can "see" only a small part of the entire database all of the listed here each subschema contains every field in the logical schema each user can access every sub¬schema each user can "see" only a small part of the entire database ANSWER DOWNLOAD EXAMIANS APP
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