Introduction to Database System With respect to data input, the most accurate description of batch control is dividing documents to be entered into batches controlling the input of each input clerk comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these All of these dividing documents to be entered into batches controlling the input of each input clerk comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system None of these All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System An identifier determines the type of relationship that an entity has. False True False True ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX DELETE INDEX REMOVE INDEX ROLL BACK INDEX DROP INDEX DELETE INDEX REMOVE INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A logical schema None of these describes how data is actually stored on disk is a standard way of organizing information into accessible parts is the entire database All of these None of these describes how data is actually stored on disk is a standard way of organizing information into accessible parts is the entire database All of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System The files stored on a secondary stage device are composed of a hierarchy of data. What does a record in a file contain? None of the listed here Data field Characters Bits None of the listed here Data field Characters Bits ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System In a relation, the order of the rows matters. True False True False ANSWER DOWNLOAD EXAMIANS APP
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