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PROGRAM TO DEMONSTRATE SORT VERB:
The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order of the Account Number.
identification division.
program- id.
environment division.
input-output section.
file-control.
select o1- file assign to disk
organization is line sequential.
select s1-file assign to disk
select w- file assign to disk.
data division.
file section.
fd o1- file
label records are standard
value of file- id is "o1.dat".
01 o1-rec.
02 o1-acc-no pic 9(2).
02 o1-name pic x(4).
fd s1-file
value of file- id is "s1.dat".
01 s1-rec.
02 s1-acc-no pic 9(2).
02 s1-name pic x(4).
sd w-file.
01 w-rec.
02 w-acc-no pic 9(2).
02 w-name pic x(4).
procedure division.
p-1.
sort w-file on ascending key w-acc-no using o1-file
giving s1- file.
stop run.
Major difference between file and array how does record read from array and file why we are not preparing array for real time
Block Size: The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequen
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Buffers: The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel. For illustration, if two buffers a
Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil
Example of Class condition: Let the BASIC-PAY be a data name in the card record defined with picture 9(5) V99. By reading the card we can test the value of the BASIC-PAY to ma
ADD VERB: The ADD Verb can be used to find the sum of two or more numbers and to store the sum. The ADD verb takes any one of the two forms as shown below:
SUBTRACT VERB: The SUBTRACT verb is used to subtract one, or the sum of two or more numbers from one or more numbers and to store the result. The form of the SUBTRACT verb
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