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RULES OF RENAMES CLAUSE:
The rules below should be observed while using the RENAMES clause:
(i) All RENAMES entries should be written only after the last record description entry.
(ii) The RENAMES clause should be used only with the special level number 66. The level number starts in margin A or any place after it. The Data-name-1 should start from margin B or any position after it. There should be at least one space between the level number and data-name-1.
(iii) The Data-name-2 and data-name-3 can be the names of an elementary items or group items. They, though, cannot be items of the level 01, 66, 77 or 88.
(iv) The Data-name-1 might not be used as the qualifier. It can be qualified only by the name of the record within which it is defined.
(v) Neither data-name-2 nor the data-name-3 can have an OCCURS clause in its neither description entry, nor can they be subordinate to an item which has an OCCURS clause in its data description entry.
(vi) The Data-name-3, if mentioned, should follow data-name-2, in the record and should not be one of its subfields.
OCCURS CLAUSE - PROGRAM: We have to write a program to elaborate occurs clause. Get names and marks of the students and show them on the screen. identification division.
The LENDER Bank offers mortgages on homes valued up to $500,000. The required down payment is calculated as follows: 4% of the first $60,000 borrowed 8% of the next $30,000 borro
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.
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
OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen. identification division.
BLOCK CONTAINS CLAUSE: Integer -1 of the BLOCK CONTAINS clause indicates the block size either in terms of records or in terms of characters. For illustration, BLOCK CONTAINS
Example of If- else statement Illustration: IF QUANTITY IS NUMERIC AND QUANTITY IS POSITIVE MOVE ZERO TO ERROR-CODE. COMPUTE SALES VALUE=QUANTITY*RATE
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
program
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:
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