Introduction to Database System The master list of an indexed file has a number assigned to each record contains only a list of keys and record numbers None of these both (b) and (c) is sorted in ascending order has a number assigned to each record contains only a list of keys and record numbers None of these both (b) and (c) is sorted in ascending order ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following products implemented the CODASYL DBTG model? R:base dBase-II DB2 IDMS R:base dBase-II DB2 IDMS ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Relationship classes are associations between entity classes. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In an enterprise-class database system, business users interact directly with database applications, which directly access the database data. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The activity of a file None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated None of these if high, reduces processing efficiency for sequential and nonsequential files is a measure of the percentage of existing records updated during a run is a low percentages of number of records added or deleted from a file refers to how closely the files fits into the allocated ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In SQL, which command is used to changes data in a table? INSERT BROWSE APPEND UPDATE INSERT BROWSE APPEND UPDATE ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS