1. Raw data must be properly a) grouped b) sorted e) arranged d) formatted for storage, processing, and presentation. 2. Data processing (DP) specialists are in existence because of a) the increase in the number of computers b) the advent of database management systems e) the need to track data and produce required reports d) the need to speed up processing of data 9. The that column. constraint can be placed on a column to ensure that every row in the table has a va a) HAS VALUE b) MUST HAVE VALUE c) NOT NULL d) NOT EMPTY 11. When you define a table's primary key, the DBMS automatically creates a(n) primary key column(s) you declared. a) key b) unique c) incomplete d) primary inde: 13. A/an is a join where the tuples in a cartesian product of two relations predicate which uses any of the following comparison signs (=# = c) d)