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 Supertype entity Subtype entity Instance entity Archetype entity Supertype entity Subtype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A candidate key is a determinant that determines all the other columns is a relation. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you look at each form sequentially until you see the one you want None of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form All of these you look at each form sequentially until you see the one you want None of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is a database administrator's function? backing up the database All of the listed here performance monitoring database design backing up the database All of the listed here performance monitoring database design 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. Index Sort Key None of these Delete Update Index Sort Key None of these Delete Update ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among: relations. rows. tables. attributes. relations. rows. tables. attributes. ANSWER DOWNLOAD EXAMIANS APP
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