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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.
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PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration: A) Perform the para-2 5 times. In this situation the specifie
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
Direct Organization: Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization. In this organizati
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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:
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.
ADD VERB: The ADD Verb can be used to find the sum of two or more numbers and to store the sum. The ADD verb takes any one of the two forms as shown below:
RULES FOR SEARCH VERB: The rules apply for the SEARCH verb is as shown below: (1) The SEARCH verb can be applied only to a table that has the OCCURS clause and INDEXED phra
Structure of a COBOL Program: Every COBOL program should have the 4 divisions in the order in which they are specified below: 1. Identification division 2. Environment D
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