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Illustration of simple sort verb:
Illustration: Suppose that we have a card file with the following records description in the data division.
The names of the work file and output file are SORT-FILE and OUTPUT-FILE correspondingly. The DATA DIVISION entries for these two files are as shown below.
The statement below will sort the input file and will create the sorted output file.
COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.
DELETE STATEMENT: The format of the delete statement is as shown below: DELETE file-name RECORD [ ; INVALID KEY imperative-statement ] Whenever the ACCESS MOD
ARITHMETIC VERBS: Most of the problems need some computations to be performed on the input or intermediate data that are numeric in nature. The Arithmetic verbs are used to pe
THE SIMPLE SORT VERB: The process of sequencing the records in some preferred manner is termed as sorting. The Sorting is done upon some key data item in the record. For illus
Environment Division: The Environment Division is the second division in the COBOL source program. It is mainly machine-dependent . The computer and all the peripheral dev
SEQUENTIAL FILES: The purpose of the proposed section is to introduce the concepts such as File characteristics, File Description for Fixed-Length Records, File-Control
.(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
Example of Perform statement: PERFORM BEGIN-CALCULATION THRU END-CALCULATION. Assume, BEGIN-CALCULATION and END-CALCULTION is paragraph names. The execution of the PERFORM
FILE-CONTROL: The FILE-CONTROL paragraph names each and every file and identifies the first medium through file control entries. The basic format of a file control entry is gi
READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the
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