The addition of record (371) will push the record (417) out of the Block 3. The reason being that
the block is already full, and to accommodate the incoming record (371) the record from the extreme
end has to leave the block. The overflowed record is then stored in a separate block known as overflow
block. The deletion of a record from the file is logical deletion, i.e., the record is not physically or actu-
ally deleted from the file but it is marked with special characters to indicate that the record is no longer
accessible. For example, if the records with key value 002 and 219 are to be deleted then these records are
searched
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