Data Express groups fields automatically into homogeneous categories (or classes), on the basis of both their contents "snapshot" and
                  their format and naming convention. 
                  	  
               
            
 
            	 
             
               		
                Data classification can be performed in four different ways: 
                  		
                  
 
                     		  
                     - Using the job 
                        			 Import Classification from Referential Integrity 
                        		  
                     
- Using the job 
                        			 Import Classification from Data Dictionary 
                        		  
                     
- Through manual association 
                        		  
                     
-  Through Data Analysis