Introduction to Database System The only reason for the existence of relations is to store instances of functional dependencies. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? DEFINE TABLE All of the listed here ALTER TABLE MODIFY TABLE DEFINE TABLE All of the listed here ALTER TABLE MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following indicates the minimum number of entities that must be involved in a relationship? Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality Minimum cardinality ERD Greater Entity Count (GEC) Maximum cardinality ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command(s) is(are) used to enable/disable a database trigger? ALTER TRIGGER MODIFY USER CHANGE USER All of the listed here ALTER TRIGGER MODIFY USER CHANGE USER All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The data dictionary tells the DBMS what attribute are possessed by the data All of the listed here what these files contain what files are in the database what attribute are possessed by the data All of the listed here what these files contain what files are in the database ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A multiple-form file management system lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) allow you to entry data in all the forms None of these lets you define different forms for different operations lets you create a look-up form with an associated read-only password to prevent access by unauthorized users both (a) and (b) allow you to entry data in all the forms None of these lets you define different forms for different operations ANSWER DOWNLOAD EXAMIANS APP