Introduction to Database System Which of the following is true of a network structure? It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple It is a physical representation of the data It allows a many-to-many relationship It will be the dominant data base of the future It is conceptually simple ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A database design may be based on existing data. 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 All of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk None of these All of these dividing documents to be entered into batches comparing to a pre-calculated figure the total of a data item summed across a batch records put into the system controlling the input of each input clerk None of these ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which command is used to remove an index from the database in SQL? DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX DROP INDEX REMOVE INDEX DELETE INDEX ROLL BACK INDEX ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System Which of the following is not considered to be a basic element of an enterprise-class database system? DBMS Users COBOL programs Database applications DBMS Users COBOL programs Database applications ANSWER DOWNLOAD EXAMIANS APP
Introduction to Database System A primary key is a composite key that was selected to be the main identifier for the relation. True False True False ANSWER DOWNLOAD EXAMIANS APP
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