S5.4 v1 flat file database Ms Excel. Mr Liao avi



Ms Excel is a flat file data base. An Excel spread sheet may have a number of worksheets and the same item or data may appear in every one of these worksheets. If you change one of the items in one page, the same item will remain unchanged.

Ms Access is a relational data base. An Access database may consist of many reports and files. And the same item or data may appear in every one of these files. If you change one of the items in file or report, the same item will be changed…

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