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