Input-output section - cobol programming, COBOL Programming

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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.

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Redefines clause , REDEFINES CLAUSE: At times it may be found that two...

REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio

Updating of the relative and indexed files, UPDATING OF THE RELATIVE AND IN...

UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda

Data record clause - and code-set clause, DATA RECORD CLAUSE: The DATA...

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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can we move spaces to numeric field

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PROGRAM TO DEMONSTRATE SORT VERB: The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order o

#Array, Major difference between file and array how does record read from a...

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Abbreviation of compound condition, Abbreviation: The Consecutive rela...

Abbreviation: The Consecutive relational conditions in a compound condition can be abbreviated in many cases as shown: (i) When the subjects in the consecutive relational c

File volatility and file interrogation, File volatility: File volatili...

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

Rules of move verb, RULES OF MOVE VERB: The Data movement is managed ...

RULES OF MOVE VERB: The Data movement is managed by the rules which are as shown below: (a) The contents of the identifier - 1 or the value of the literal - 1 is moved to

Comparison of the numeric operand with nonnumeric operand, Comparison of th...

Comparison of the Numeric Operand with Nonnumeric Operand: The numeric operand can be compared to the nonnumeric operand subject to the restrictions which are as follows.

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