Introduction to Database System Related fields in a data base are grouped to form data record menu bank None of these data file data record menu bank None of these data file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System One solution to the multivalued dependency constraint problem is to: 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. add a composite key. change the theme. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a _____ a parent record type can be linked to one or more "child" record types, but a child record type can have only one parent. Hierarchical database Distributed database Relational database Network database Hierarchical database Distributed database Relational database Network database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file if high, reduces processing efficiency for sequential and nonsequential files None of these is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema describes how data is actually stored on disk All of these None of these is the entire database is a standard way of organizing information into accessible parts describes how data is actually stored on disk All of these None of these is the entire database is a standard way of organizing information into accessible parts ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A race condition occurs when Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here Both of the listed here Two concurrent activities interact to cause a processing error two users of the DBMS are interacting with different files at the same time None of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS