Introduction to Database System Batch processing is appropriate if a large computer system is available only a small computer system is available only a few transactions are involved None of these All of these a large computer system is available only a small computer system is available only a few transactions are involved None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The physical location of a record is determined by a mathematical formula that transforms a file key into a record location in an indexed file a tree file a sequential file a hashed file None of these an indexed file a tree file a sequential file a hashed file None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System If a piece of data is stored in two places in the database, then storage space is wasted both (a) and (b) changing the data is one spot will cause data inconsistency it can be more easily accessed None of these storage space is wasted both (a) and (b) changing the data is one spot will cause data inconsistency it can be more easily accessed None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Sort/report generators do not need to sort before generating a report are faster than index/report generators require more disk space than index/report generators none of the listed here do not need to sort before generating a report are faster than index/report generators require more disk space than index/report generators none of the listed here ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these they have a row in common both (b) and (c) they have no records with the same value in the common field they have a field in common None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The master list of an indexed file has a number assigned to each record None of these contains only a list of keys and record numbers is sorted in ascending order both (b) and (c) has a number assigned to each record None of these contains only a list of keys and record numbers is sorted in ascending order both (b) and (c) ANSWER DOWNLOAD EXAMIANS APP