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 None of these a sequential file a hashed file a tree file an indexed file None of these a sequential file a hashed file a tree file an indexed file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In order to use a record management system Both (a) and (b) All of these None 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) All of these None 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 ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: data base users separate files data-base administrator None of these data base users separate files data-base administrator None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: add a composite key. change the theme. split the relation into two relations, each with a single theme. create a new theme. add a composite key. change the theme. split the relation into two relations, each with a single theme. create a new theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to select data in rows and column from one or more tables? None of these SELECT BROWSE LIST CHOOSE None of these SELECT BROWSE LIST CHOOSE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator? Archetype entity Subtype entity Supertype entity Instance entity Archetype entity Subtype entity Supertype entity Instance entity ANSWER DOWNLOAD EXAMIANS APP
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