Introduction to Database System In the relational model, relationships between relations or tables are created by using: composite keys. foreign keys. candidate keys. determinants. composite keys. foreign keys. candidate keys. determinants. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The model for a record management system might be a business form All of these None of these a Rolodex card file handwritten list a business form All of these None of these a Rolodex card file handwritten list ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A functional dependency is a relationship between or among attributes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file is a measure of the percentage of existing records updated during a run if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated 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 if high, reduces processing efficiency for sequential and nonsequential files refers to how closely the files fits into the allocated None of these is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Entities of a given type are grouped into a(n): entity class. database. attribute. ER entity class. database. attribute. ER ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Microsoft Access is an enterprise-class database product. False True False True ANSWER DOWNLOAD EXAMIANS APP
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