Instead of editing each default column name manually, use the 
               		Edit Default Column Names tool to batch-edit column names. 
               	 
            
 
            	 
             
               		
               -  In the Catalog Explorer, double-click the 
                  		  File Definitions node, then double-click the required file definition. 
                  		  
                  The <file-definition-name> tab is displayed. 
                     		  
                   
- In the Default Column Name header, click 
                  		   (Edit default column names). (Edit default column names).The 
                     			 Edit Default Column Names dialog box is displayed. 
                     		  
                     
 
- In the 
                  		  Source section, select the source names from which to generate the amended column names: 
                  		  
                   
                     			 
                     - Current column names - the names currently displayed in the 
                        				Default Column Name column. 
                        			 
                     
- COBOL data item names - the original COBOL data-names, as displayed in the 
                        				COBOL Name column. 
                        			 
                     
 
- In the 
                  		  Apply to items section, select which column names are affected: 
                  		  
                  Note: Subscript, condition, function, and FILLER items are ignored. 
                     		  
                    
                     			 
                     - Only selected items - the items currently selected in the form. 
                        			 
                     
- All items - all items in the form. 
                        			 
                     
 
- In the 
                  		  Find & Replace section, select the part of the item that is affected: 
                  		  
                   
                     			 
                     - Replace prefix - The replace string in a prefix of a COBOL data-name. This option is not available when replacing current column names.
                        
                        			 
                     
- Replace suffix - The replace string is a suffix of a COBOL data-name. This option is not available when replacing current column names.
                        
                        			 
                     
- Replace anywhere - The replace string can appear anywhere. This option reveals two further options: 
                        				Text search - the replace string should be treated purely as text, and 
                        				Regular Expression search - the replace string contains regular expression characters, and should be processed as such. 
                        			 
                     
 
- In the 
                  		  Hyphens & case section, select the treatment of hyphens and character case: 
                  		  
                  Note: This section is only enabled when the source is set to 
                     			 COBOL data item names. 
                     		  
                    
                     			 
                     - Remove hyphens - hyphens are removed from the string. 
                        			 
                     
- Replace with underscores - hyphens are replaced by underscores. 
                        			 
                     
- Camel case - characters are converted to camel case. All spaces and hyphens are removed, and the letter following the space or hyphen
                        is capitalized; all other letters are lower case; for example, PRODUCT-KEY would become ProductKey. 
                        			 
                     
- Upper case - all characters are converted to upper case. 
                        			 
                     
 
- In the 
                  		  Replace and 
                  		  With fields, enter the strings to search and replace, including any regular expression characters when performing a regular expression
                  search. 
                  		
               
- Click 
                  		  Apply. 
                  		  
                  The changes are made in the 
                     			 Default Column Name column. 
                     		  
                   
- Click 
                  		  Save to Catalog.