Introduction to Database System 1:1, 1:N and N:M relationships are also known as HAS-A relationships. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entity instances are associated by relationship classes. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Any table that meets the definition of a relation is said to be in first normal form. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A relation in this form is free of all modification anomalies. Domain/key normal form Second normal form First normal form Third normal form Domain/key normal form Second normal form First normal form Third normal form ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command(s) is(are) used to enable/disable/drop an integrity constraint in SQL? All of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE All of the listed here DEFINE TABLE MODIFY TABLE ALTER TABLE 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-independent entity Weak entity Strong entity ID-dependent entity ID-independent entity Weak entity Strong entity ID-dependent entity ANSWER DOWNLOAD EXAMIANS APP