Listing of file='INVDOC.SRC;09' on disk='vmedia/inventory-sector.ccvf'
PAGE NINE 17JUN80 X EXIT: THIS IS THE ONLY WAY TO SAFELY LEAVE THE INVENTORY SYSTEM. IT CLOSES ALL FILES, AND PROMPTS THE USER THAT THE SYSTEM IS READY. NOTE- TO LEAVE THE SYSTEM ANY OTHER WAY MAY ALLOW DATA TO BE LOST FOR RECENT ENTRIES. --------------------------------------------------------------- --------------------------------------------------------------- IMPORTANT NOTES- --------------------------------------------------------------- RECORD- IS THE WHOLE ENTRY FOR A PARTICULAR ITEM, IT IS GIVEN A SEQUENCE NUMBER BY THE COMPUTER, THIS IS THE RECORD NUMBER FIELD- EACH RECORD HAS SEVERAL FIELDS, THESE CONTAIN SPECIFIC INFORMATION. EG DESCRIPTION OR SUPPLIER. --------------------------------------------------------------- THE RECORD NUMBERS ARE FOR USE DURING EACH SESSION ONLY. THESE NUMBERS ARE PRIMARILY FOR THE COMPUTER'S USE. AFTER EACH DELETION, THE RECORD NUMBER FOR THE LAST ITEM IN THE FILE WILL BE CHANGED. WHEN A RECORD IS DELETED, THAT RECORD IS REPLACED BY THE VERY LAST ITEM STORED IN THE FILE, HENCE THE FILE GETS SHORTER BY ONE, BUT THE IMPORTANT POINT IS THAT THE RECORD PREVIOUSLY WITH THE LAST REC # NOW IS GIVEN THE RECORD NUMBER OF THE DELETED RECORD. EXAMPLE REC 1 PART 1 SUPPL 1 REC 2 PART 2 SUPPL 2 REC 3 PART 3 SUPPL 3 REC 4 PART 4 SUPPL 4 IF RECORD NUMBER 2 WAS DELETED, THE FOLLOWING WOULD RESULT REC 1 PART 1 SUPPL 1 REC 2 PART 4 SUPPL 4 REC 3 PART 3 SUPPL 3 REC 4 .. NON EXISTENT ..