There are certain packages that allow people to define data items, place these items in particular records, combine the records into designated files and then manipulate and retrieve the stored data. What are they called?
Options: Data storage system, Database management system (DBMS), Batch processing system, Data communication package
Options: (A)Move the selected control to the right (except controls that are part of a layout) (B) Move the selected control to the left (except controls that are part of a layout) (C) Move the selected control up (D) None of these 4
Which of the following is not true about modifying table columns?
Options: You can drop a column at any time., You can add a column at any time as long as it is a NULL column., You can increase the number of characters in character columns or the number of digits in numeric columns, You cannot increase or decrease the number of decimal places.