Introduction to Database System What name is given to the collection of facts, items of information or data which are related in some way? Information tree Database Information provider Directory information Information tree Database Information provider Directory information 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 The activity of a file refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run refers to how closely the files fits into the allocated if high, reduces processing efficiency for sequential and nonsequential files None of these is a low percentages of number of records added or deleted from a file is a measure of the percentage of existing records updated during a run ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n): insertion anomaly. referential integrity constraint. normal form. transitive dependency. insertion anomaly. referential integrity constraint. normal form. transitive dependency. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The DBMS ranked as being the "hardest to use" in the text is Microsoft's SQL Server. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship. True False True False ANSWER DOWNLOAD EXAMIANS APP