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