Introduction to Database System A maximum cardinality is the maximum number of entity instances that can participate in a relationship instance. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to add a column/integrity constraint to a table ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ADD COLUMN ALTER TABLE INSERT COLUMN MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not an advantage of the data-base approach? elimination of the data redundancy All of these increased security ability to associate related data program/data independence elimination of the data redundancy All of these increased security ability to associate related data program/data independence ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data-base environment has all of the following components except: users None of these data base separate files data-base administrator users None of these data base separate files data-base administrator ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The PROJECT command will create new table that has more fields than the original table none of the listed here both of the listed here more rows than the original table more fields than the original table none of the listed here both of the listed here more rows than the original table ANSWER DOWNLOAD EXAMIANS APP