Introduction to Database System Which command is used to select distinct subject (SUB) from the table (BOOK)? None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these None of these SELECT SUB FROM BOOK SELECT ALL FROM BOOK SELECT DISTINCT SUB FROM BOOK All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove a table from the database in SQL? ERASE TABLE DROP TABLE UNATTACH TABLE DELETE TABLE ERASE TABLE DROP TABLE UNATTACH TABLE DELETE TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An-owner-member set in the CODASYL specifications may have All of the listed here only one owner but many owner occurrences only one member but many member occurrence more than one member but only one occurrence per member All of the listed here only one owner but many owner occurrences only one member but many member occurrence more than one member but only one occurrence per member ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A data dictionary is a special file that contains the widths of all fields in all files the data types of all fields in all files All of these the names of all fields in all files None of these the widths of all fields in all files the data types of all fields in all files All of these the names of all fields in all files None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A file that is organized in uniform format is formally referred to as a _____ or a database file. Database Record Document Structured data file None of these Database Record Document Structured data file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file contains only a list of keys and record numbers both (b) and (c) is sorted in ascending order None of these has a number assigned to each record contains only a list of keys and record numbers both (b) and (c) is sorted in ascending order None of these has a number assigned to each record ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS