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There are some restrictions when these procedures are used. (i) The Procedure should not contain any SORT/MERGE statement. (ii) An explicit transfer of the control outside
CONDITIONS-NAME CONDITION: The condition name is an entity which itself is a condition and these can have either a true or false value. Though, a condition name cannot be d
Selection of file Organization: While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as s
Example of Write statement: Illustration: (i) WRITE TRANS-RECORD AFTER ADVANCING 3 LINES. This WRITE statement specified that the TRANS-RECORD is a record name of a fi
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
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
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
FILE-CONTROL paragraph for the indexed files: The common format for the SELECT clause for a file is as shown below: SELECT file-name ASSIGN TO implementor -name
program
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
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