Introduction to Database System For some relations, changing the data can have undesirable consequences called: referential integrity constraints. modification anomalies. transitive dependencies. normal forms. referential integrity constraints. modification anomalies. transitive dependencies. normal forms. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ternary relationship is so called because in contains two entities and one association between them. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The _____ command is used to allocates an extent for the table in SQL ALTER TABLE REDEFINE TABLE None of these MODIFY ALLOCATES MODIFY TABLE ALTER TABLE REDEFINE TABLE None of these MODIFY ALLOCATES MODIFY TABLE ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Table is synonymous with the term: field. column. relation. record. field. column. relation. record. ANSWER DOWNLOAD EXAMIANS APP
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
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