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