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SORT TAB BY ID AGE NAME.

LOOP AT TAB1.

READ TABLE  TAB WITH KEY ID = TAB1-ID NAME = TAB1-NAME

                                                   AGE = TAB1-AGE BINARY SEARCH.(ERROR)

READ TABLE  TAB WITH KEY ID = TAB1-ID AGE = TAB1-AGE

                                   NAME =TAB1-NAME  BINARY SEARCH.(RIGHT)

EDNLOOP TAB1. 

Sequence must keep the same betweensort and read.

Suggest  use the binary search when the amount of datais large.

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