Introduction to Database System Each of data files has a _____ that describe the way the data is stored in the file. Database Fields Records File structure Database Fields Records File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An application where only one user accesses the database at a given time is an example of a(n) ________ . e-commerce database application multiuser database application data mining database application single-user database application e-commerce database application multiuser database application data mining database application single-user database application ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in an indexed file None of these a tree file a sequential file a hashed file an indexed file None of these a tree file a sequential file a hashed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common they have a field in common they have no records with the same value in the common field None of these both (b) and (c) they have a row in common they have a field in common they have no records with the same value in the common field None of these both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for None of these All of these improving data integrity reducing storage space requirements protecting data in data communication systems None of these All of these improving data integrity reducing storage space requirements protecting data in data communication systems ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When performing a look-up operation using a form you enter the search value into the form you type the key in an entry line, and the correct form is displayed All of these you look at each form sequentially until you see the one you want None of these you enter the search value into the form you type the key in an entry line, and the correct form is displayed All of these you look at each form sequentially until you see the one you want None of these ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS