N/APosted on - 09/13/2012
What is an index file Xls?
I can't find the best explanation for this application.
What is the advantage and disadvantages of index file Xls.
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What is an index file xls
File extension: XLS
File Type: Worksheet
The XLS index file is linked or associated with the “Ms Excel” by Microsoft. Excel file can be used to make spreadsheets.
The files or programs that end with the extension (.xls) mostly refers to the file containing information (graphs, data, macros and formulas etc.) in a spreadsheet , that can only be opened and modified by using Ms Excel software.
There are other file extensions of excel as well.
Xlm – Excel Macro
Xll – Excel Add-in
Xld – Excel Database
Xlc – Excel Chart
Here are some advantages of the index files:
While selecting a proper key field, it gets easier to find a specific record from the large amount of data.
Any fields of the record can be used as a key. The key field must be alpha-numeric or numeric.
Now some disadvantages:
Extra data structures have to be maintained which use much disk space especially data structures with long key values.
It is quite important to maintain and organize the index files from time to time. It will help to get rid of the deleted records and performance will be improved.
This is a graphical representation of the index file.