Introduction to Database System In SQL, which command is used to select only one copy of each set of duplicable rows All of these SELECT DISTINCT None of these SELECT DIFFERENT SELECT UNIQUE All of these SELECT DISTINCT None of these SELECT DIFFERENT SELECT UNIQUE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The modify operation is likely to be done after Insert None of these All of these Delete Look-up Insert None of these All of these Delete Look-up ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If you want to group the records in the abc database, you could use the Jobcode as the _____. Delete Update Sort Key Index Delete Update Sort Key Index ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not the responsibility of the utilities component of DBMS software? None of these monitoring performance creating and maintaining the data dictionary removing flagged records for deletion creating the physical and logical designs None of these monitoring performance creating and maintaining the data dictionary removing flagged records for deletion creating the physical and logical designs ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity? ID-dependent entity Weak entity ID-independent entity Strong entity ID-dependent entity Weak entity ID-independent entity Strong entity ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An operation that will increase the length of a list is Modify Insert Look-up All of the listed here Modify Insert Look-up All of the listed here ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS