Answer / santosh khot

Reference modification is retrieving or Modifying substring
of a string. if Reference modification has a negative value
then Abend Code is soc4, So be care full while using
reference modification
Syntex is Move String(First position, Length) to Var-1.

Answer / ts nithiyanandan

Reference modification is nothing but moving the part of
value of dataname to other dataname.

01 a pic 9(10).
01 b pic 9(10).

move a(4:5) to b.

i.e., moving from 4th byte to 9th byte to dataname b.
from 4th to 9th is length of 5 bytes.

In my table having 3000 Records. How can I delete the 500th row? (we don't know what is data inside the table)

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HELLO FRIENDS, THIS IS JANARDHAN.GADIRAJU, I FACED ONE INTERESTING QUESTION IN COBOL, THAT IS WHAT ARE THE VALUES WE CAN SEE IN HIGHVALUES AND LOWVALUES, CAN U PLEASE GIVE ME THE ANSWER

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WORKING-STORAGE SECTION. 01 VAR1 COMP-2 VALUE 0. PROCEDURE DIVISION. MOVE 10.2115 TO VAR1. DISPLAY 'VAR1 =' VAR1. GOBACK. 10.2115 is stored as .10211499999999996E 02 in OS VS Cobol 10.2115 is stored as .10211500000000000E 02 in ecobol. Any reason why?

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