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