Introduction to Database System A list consists of last names, first names, addresses, and pin codes if all people in the list have the same last and the same pin code, a useful key would be All of these a compound key consisting of the first name and the last name the last name None of these the pin code All of these a compound key consisting of the first name and the last name the last name None of these the pin code ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK None of these SELECT DISTINCT SUB FROM BOOK All of these SELECT ALL FROM BOOK SELECT SUB FROM BOOK ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order both (b) and (c) contains only a list of keys and record numbers has a number assigned to each record None of these is sorted in ascending order both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? monitoring performance None of these creating and maintaining the data dictionary creating the physical and logical designs removing flagged records for deletion monitoring performance None of these creating and maintaining the data dictionary creating the physical and logical designs removing flagged records for deletion ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, the CREATE TABLESPACE is used to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to create a database trigger All of these None of these to add/rename data files, to change storage to create a place in the database for storage of scheme objects, rollback segments, and naming the data files to comprise the tablespace to create a database trigger All of these None of these to add/rename data files, to change storage ANSWER DOWNLOAD EXAMIANS APP
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