Introduction to Database System A number of related records that are treated as a unit is called batch file data field batch file data field ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Queries to a database None of these are written in English All of these can use aggregate functions like SUM and COUNT both (a) and (b) None of these are written in English All of these can use aggregate functions like SUM and COUNT both (a) and (b) ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to create a synonym for a schema object? CREATE SAME All of the listed here CREATE SYNONYM CREATE SCHEMA CREATE SAME All of the listed here CREATE SYNONYM CREATE SCHEMA 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 hashed file an indexed file None of these a tree file a sequential file a hashed file an indexed file None of these a tree file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity? Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity Archetype entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A good query system can accept English language commands None of these can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database can accept English language commands None of these can be accessed only by data processing professionals both (a) and (b) allows non-programmers to access information stored in a database ANSWER DOWNLOAD EXAMIANS APP