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Block Size:
The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequently known as "blocking factors".
The IOCS reserves a memory space equivalent to the size of a block of the file. This memory space is termed as the buffer.
File Activity: The file activity is a measure of the proportion of records processed during an update run. Therefore we define the activity ration as shown below. Activi
START STATEMENT: The START statement places the files to the initial logical record whose record key satisfies the condition specified by the KEY phrase. The access mode shoul
SIMPLE MERGE VERB: Like sorting, the merging of files is often required in different commercial application. It is likely to merge two or more files with the help of one MERGE
SIGN CONDITION: The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif
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
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
cobol program for generate a eb bill
Example of compound condition: In common, a compound condition has the form which is as shown below: Where condition-1 & condition-2 can be any one of the below:
FILE UPDATION: The method of modifying an old file with present information is termed as file updating. Master file: A master file is a file which is used as an author
There are some restrictions when these procedures are used. (i) The Procedure should not contain any SORT/MERGE statement. (ii) An explicit transfer of the control outside
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