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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.
RULES OF MOVE VERB: The Data movement is managed by the rules which are as shown below: (a) The contents of the identifier - 1 or the value of the literal - 1 is moved to
UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda
PROGRAM FOR RENAMES CLAUSE: identification division. program- id. environment division. data division. working-storage section. 01 emp. 02 empdet.
PROGRAM FOR SUBTRACT VERB: We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program. Identification division. Pr
MULTI-DIMENSIONAL TABLES: The type of table which has been considered above is known as one-dimensional table. Whenever a table is such that each of its elements in turn is a
single program how may when statement has used
FILE CHARACTERISTICS: The task of file handling is the responsibility of the system software termed as IOCS (Input-Output control system). Record Size: We know that th
GO TO, STOP RUN: The GO TO verb is used to completely transfer the control to elsewhere in the program. Its form is as shown below: GO TO procedure-name As a result o
Example of Sign condition: The illustration below describes the use of the sign condition. Illustration: 77 BALANCE PIC S9 (6) V99. . . I
77 level used for- It is Elementary level item. it Cannot be subdivisions of other items or cannot be qualified, or they can be subdivided themselves.
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