Introduction to Database System Microsoft Access is an enterprise-class database product. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run None of these refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run None of these refers to how closely the files fits into the allocated is a low percentages of number of records added or deleted from a file ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A tuple is a(n): column of a table. key of a table. row of a table. two dimensional table. column of a table. key of a table. row of a table. two dimensional table. ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Helping people keep track of things is the purpose of a(n) ________ . database instance relationship table database instance relationship table ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Data encryption techniques are particularly useful for protecting data in data communication systems None of these improving data integrity reducing storage space requirements All of these protecting data in data communication systems None of these improving data integrity reducing storage space requirements All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which two files are used during operation of the DBMS? data dictionary and transaction log query language and utilities data dictionary and query language None of the listed here data dictionary and transaction log query language and utilities data dictionary and query language None of the listed here ANSWER DOWNLOAD EXAMIANS APP