Introduction to Database System One of the reasons why OODBMSs have not been widely used for business information systems is that OOP is obsolete. True False True False ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System With respect to data input, the most accurate description of batch control is comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches controlling the input of each input clerk All of these None of these comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system dividing documents to be entered into batches controlling the input of each input clerk All of these None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The way a particular application views the data from the data base that the application uses is a : module schema subschema None of these relational model module schema subschema None of these relational model ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Two files may be joined into a third file if they have a field in common they have no records with the same value in the common field None of these both (b) and (c) they have a row in common they have a field in common they have no records with the same value in the common field None of these both (b) and (c) they have a row in common ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A ____ Contains the smallest unit of meaningful data, so you might call it the basic building block for a data file. Records Fields Database File structure Records Fields Database File structure ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A large computer information system maintains many different computer files. Which amongst them is called a perpetual file? Specialized file Master file Log file Update file Specialized file Master file Log file Update file ANSWER DOWNLOAD EXAMIANS APP