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When we use any keyword like FIFO,LIFO, at file level but whenever we check by runqry we couldn't find answer in FIFO,LIFO,FCFO etc so how we check the answer.
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Answer Posted / satyabrata
UNIQUE: A record cannot be entered or copied into a file if its key value is same as the key value of a record already existing in the file.
FIFO: The duplicate key records will retrieved in first in first out order.
LIFO: The duplicate key records will retrieved in last in first out order.
FCFO: The duplicate key records will retrieved in first changed first out order.
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