Introduction to Database System A logical schema None of these All of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts None of these All of these describes how data is actually stored on disk is the entire database is a standard way of organizing information into accessible parts ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database are written in English both (a) and (b) None of these All of these can use aggregate functions like SUM and COUNT are written in English both (a) and (b) None of these All of these can use aggregate functions like SUM and COUNT ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system Both (a) and (b) None of these You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored All of these Both (a) and (b) None of these You need to understand the model the record management system uses. You need to understand the low-level details of how information in stored All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these None of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT All of these None of these SELECT DIFFERENT SELECT UNIQUE SELECT DISTINCT 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 a tree file None of these a sequential file a hashed file an indexed file a tree file None of these a sequential file a hashed file ANSWER DOWNLOAD EXAMIANS APP
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