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