Introduction to Database System In SQL, which command(s) is(are) used to redefine an index's future storage allocation MODIFY INDEX REDEFINE INDEX None of these DO INDEX ALTER INDEX MODIFY INDEX REDEFINE INDEX None of these DO INDEX ALTER INDEX ANSWER DOWNLOAD EXAMIANS APP
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? Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Insert Delete None of these All of these Look-up Insert Delete None of these All of these Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form None of these All of these you type the key in an entry line, and the correct form is displayed you look at each form sequentially until you see the one you want you enter the search value into the form None of these All of these you type the key in an entry line, and the correct form is displayed you look at each form sequentially until you see the one you want you enter the search value into the form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The relational model uses some unfamiliar terminology. A tuple is equivalent to a field record data item data base field record data item data base ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the columns are sometimes called "attributes". False True False True ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS