Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK None of these All of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for reducing storage space requirements All of these protecting data in data communication systems improving data integrity None of these reducing storage space requirements All of these protecting data in data communication systems improving data integrity None of these 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 None of these you look at each form sequentially until you see the one you want All of these you type the key in an entry line, and the correct form is displayed you enter the search value into the form None of these you look at each form sequentially until you see the one you want All of these you type the key in an entry line, and the correct form is displayed ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Embedded pointer provide an inverted index a physical record key a secondary access path None of these All of these an inverted index a physical record key a secondary access path None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): key of a table. two dimensional table. row of a table. column of a table. key of a table. two dimensional table. row of a table. column of a table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema All of these is the entire database is a standard way of organizing information into accessible parts None of these describes how data is actually stored on disk All of these is the entire database is a standard way of organizing information into accessible parts None of these describes how data is actually stored on disk ANSWER DOWNLOAD EXAMIANS APP
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