In indexed file processing, what is the role of the index or key in accessing records?
- It is a secondary field used for display purposes only
- It is not relevant in indexed file processing
- It is used for sorting records within the file
- It is used to uniquely identify each record and determine its storage location
The index or key in indexed file processing serves as a unique identifier for each record, allowing the system to locate and retrieve the desired record efficiently. It facilitates quick and direct access to records based on the specified key.
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