Introduction to Database System An entity is something that can be identified in the user's work environment; something that the users want to track. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A computer file can be best described as a random collection of data items None of these a general collection of data items an orderly collection of data items a single data item a random collection of data items None of these a general collection of data items an orderly collection of data items a single data item ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Large collections of files are called records fields None of these file system databases records fields None of these file system databases 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 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 None of these you look at each form sequentially until you see the one you want 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 None of these 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. Sort Key None of these Update Index Delete Sort Key None of these Update Index Delete ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In the relational model, relationships between relations or tables are created by using: determinants. composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS