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