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FILE-CONTROL paragraph for the relative files:
The normal format for the SELECT clause for a relative file is as shown below.
SELECT file-name ASSIGN TO implementor-name
[; FILE STATUS IS data-name-2]
Whether the file must be used successively or randomly, must specified through the word SEQUNTIALLY or RANDOMLY in the access mode clause the clause ACCESS MODE IS DYNAMIC it represents that the file is accessed sequentially and / or randomly in the PROCEDURE DIVISION.
DATA RECORD CLAUSE: The DATA RECORD clause, documents the record names defined for the file. For illustration, DATA RECORDS ARE REC-1, REC-2, REC-3 that means there are 3diffe
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
PROGRAM FOR MULTIPLY VERB: We have to write a simple program to elaborate MULTIPLY verb. You can also use the edit characters in the program. Identification division. Pr
RENAMES CLAUSE: At times re-grouping of an elementary data items in a record may be essential so that they can belong to the original as well as to the latest group. This is o
/ (Slash Insertion): The edit character slash (/) also termed as virgule or stroke, may appear anyplace in the picture. When used, it will be inserted. More than one slash can
PROGRAM USING OCCURS CLAUSE: We have to write a simple program to demonstrate Occurs Clause. Get the employee details for 3 persons and compute the total salary. identifica
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
OPEN statement: We know that the processing of a file should start with the execution of an OPEN statement. The file can be opened in any one of the 4 open modes - INPUT, OUTP
single program how may when statement has used
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