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INPUT-OUTPUT SECTION:
This section holds information regarding the files to be used in the program. There are 2 paragraphs in this section- FILE-CONTROL & I-O-CONTROL.
The FILE-CONTROL is used almost in every program. Below are some of the entries of the FILE-CONTROL paragraph. The Input-Output section is elective in many computers.
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
GIVING file-name-5. The input files to be merged through the MERGE statements which are specified in the USING phrase. These files should be sequential files and should be
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 verb releases a record in an output file. The syntax for the WRITE statement can be unlike depending on the output device and the medium us
Example of Perform statement: PERFORM BEGIN-CALCULATION THRU END-CALCULATION. Assume, BEGIN-CALCULATION and END-CALCULTION is paragraph names. The execution of the PERFORM
Transaction file : A transaction file is a file which contains new records those changes to old records which are used to update the master file. The problem of file updatio
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
LABEL RECORD CLAUSE: This clause specifies whether or not the standard header and trailer labels must be present in the magnetic-tape files. VALUE OF CLAUSE: The VAL
can we move spaces to numeric field
DATA RECORD CLAUSE: The DATA RECORD clause, documents the record names defined for the file. For illustration, DATA RECORDS ARE REC-1, REC-2, REC-3 that means there are 3diffe
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