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DECLARATIVE and FILE STATUS Clause:
The input-output exception condition in the situation of a direct access files can be handled by a declarative procedure in a manner similar to that of sequential files.
ON SIZE ERROR OPTION: Whenever a size error occurs, the contents of the result field after the operation is unpredictable. Though, the processing is not-terminated and the co
We have input file, record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input f
PROGRAM FOR CONDITION NAMES: We have to write a simple program to demonstrate Condition names usage. identification division. program- id. environment division.
COMPUTE VERB: The COMPUTE verb is very powerful. All the evaluations performed by the other 4 verbs can also be completed easily by using the COMPUTE verb. Its normal format i
WRITE STATEMENT: The records are written to be logical place as determined from the value of the record key. The INVALID KEY condition occurs in the cases shown below: (i)
Example of If- else statement Illustration: IF QUANTITY IS NUMERIC AND QUANTITY IS POSITIVE MOVE ZERO TO ERROR-CODE. COMPUTE SALES VALUE=QUANTITY*RATE
WRITE statement: The WRITE statement for tape and sequential-disk files has the syntax shown below. WRITE record-name [ FROM identifier ] As a resu
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
calculate simple interest
FILE-CONTROL: The FILE-CONTROL paragraph names each and every file and identifies the first medium through file control entries. The basic format of a file control entry is gi
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