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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.
PROGRAM FOR SCREEN SECTION: identification division. program- id. environment division. data division. working-storage section. 01 a pic 9(2) value
Illustration of Multiply verb: (a) MULTIPLY A BY B. In this situation the value of A & B will be multiplied and the product will be stored in B. The decimal point locatio
FD Entry for variable-length Records: The RECORDS CONTAINS and BLOCK CONTAINS clause are quite dissimilar in the case of files with variable- length records. The syntax of the
Example of Accept statement: For illustration, ACCEPT FLAG-A can be specified to read the value of the FLAG_A from the console. It may be keep in mind that no file definition
Currency Sign - edit characters for numeric data: $ (Currency Sign): The single currency sign can appear at the leftmost place of a picture. In that situation the $ cha
Illustration of if- else statement: IF OK-BALANCE NEXT SENTENCE ELSE MOVE 2 BALANCE-CODE In this illustration, the OK-BALANCE is a condition name. No action is specific if
File volatility: File volatility associates to the number of times the updating of records are needed during some time period. File interrogation: Some files hold re
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
Example of constructing an arithmetic expression: An arithmetic expression may be proceeded by a + or - sign. These operations are known as unary + or unary - operators. Il
Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil
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