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Record Description for the Variable-length Records:
When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 following the FD entry for the file. The variable part is defined with the OCCURS...DEPENDING clause.
FD VARIABLE-FILE
RECORD CONTAINS 40 TO 92 CHARACTERS
BLOCK CONTAINS 933 TO 1024 CHARACTES
LABEL RECORDS AERA ATANDARDA
RECORDING MODE IS V
VALUS OF INDENTIFICATION IS "VARFILE".
01 VARIABLE-RECORD.
02 ACCOUNT-NUMBER PIC 9(6).
02 NAME PIC X(20).
02 NO-OF-PAYAMENTS PIC 9.
02 PAYMENTS OCCURS 1 TO 5 TIMES DEPENDING ON
NO-OF-PAYMENTS INDEXED BY TAB-INDEX.
03 DATE-OF-PAYAMENT 9(6).
03 AMOUNT-OF-PAYMENT 9(5)V99.
Can we declare a redefine clause as below? A Redefines B, PIC X(4)
.(Period or Decimal Point) : The period may be used to insert a decimal point and may not come into view more than once. Both the period and V cannot appear in similar picture
File Description for the Relative and Indexed Files: The FD entry for a relative or an indexed file is similar to that of a sequential file. Some compilers do not permit varia
INPUT AND OUTPUT PROCEDURE IN SORT STATEMENT: The common format of the SORT statement can write as shown below: The format of the RELEASE statement is as shown be
What is the difference b/w index and subscript? Subscript indicates to the array occurrence whereas index is the displacement (in no of bytes) from the beginning of the array.
PROGRAM FOR MOVE CORRESPONDING: We have to write a simple program to demonstrate Move Corresponding. identification division. program- id. environment division.
bal majduri ik kanuni apradh hai is de bavjud bache ,ghra,hotla,road, kam karn lai majbur han bacheya te mapeya nu parhai val prerit karn lai ik bashan teyar kro
LEVEL NUMBERS: The COBOL makes use of the level number concept to explain the hierarchical data structure. A level number is a 2 digit number. The permitted level numbers a
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and
Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST
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