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PROCEDURE DIVISION statements for the indexed files:
All the statements which are available for a relative file are also available for an indexed file.
READ STTATEMENT :
When either the RANDOM or DYNAMIC access mode is specified or the records are to be read in a random manner, the syntax is as shown below:
READ file-name RECORD [ INTO IDENTIFIER ]
[ ; KEY IS data-name ]
[ ; INVALID KEY imperative-statement ]
The data name in the KEY IS phrase should be either the prime key or the alternative key item. If the phrase is not specified, then the prime key is supposed. Let consider PERSONNEL be an indexed file and let EMP-NO be the prime key and NAME be the alternative key.
PROGRAM FOR PERFORM - THRU: We have to write a program to elaborate PERFORM ...THRU statement Identification division. Program- id. Perfthru. Environment division.
OPEN STATEMENT: Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With
Can u please let me know how can i use SSA''s in IMS while fetching segments. Thanks, Rajesh
program
Evaluate is like a case statement & Evaluate stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE
TO WRITE A QUADRATIC EQN ROOTS ARE COMPLEX IN COBOL PROGRAM
PROGRAM FOR SUBTRACT VERB: We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program. Identification division. Pr
INPUT AND OUTPUT PROCEDURE IN SORT STATEMENT: The common format of the SORT statement can write as shown below: The format of the RELEASE statement is as shown be
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
PROGRAM FOR IF -ELSE: We have to write a program to check whether the given number is ODD or EVEN. You can use IF..ELSE. Identification division. Program- id. IfElse.
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