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What is a file organization?which type are expression of file organization.

What is a file organization? Which is type of expression are file organization? What is a file organization? A database is a collection of interrelated records.The mechanism used to represent and store the record in a file is called the file organization. File organization technique may be of following types:- ✍️ Heap (Pile)file organization:-                  The record are stored in available blank block as they arrive,i.e.records can be placed anywhere in the file where there is space for the records. ✍️  Sequencial file organization:-                   The records are stored in sequencial order of key field.A sequencial file could be stored on a sequencial storage device such as  magnetic tape. ✍️ Indexed sequencial file organization:-                    A retrieval of a record from a sequencial file requires on average access to half ...