Updating of the relative and indexed files, COBOL Programming

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 Updating is termed as updating by copy. The Direct access files can be updated by the technique termed as Updating by overlay. In this situation no new file is created. Rather than, the essential changes are incorporated in the body of the file.

The transaction code (T-CODE) is a one-digit code having the meaning as shown below:

1899_UPDATING OF THE RELATIVE AND INDEXED FILES.png

Posted Date: 10/17/2012 8:46:56 AM | Location : United States







Related Discussions:- Updating of the relative and indexed files, Assignment Help, Ask Question on Updating of the relative and indexed files, Get Answer, Expert's Help, Updating of the relative and indexed files Discussions

Write discussion on Updating of the relative and indexed files
Your posts are moderated
Related Questions
PROGRAM TO DEMONSTRATE MERGE VERB: The two files for which a record having 2 fields viz. Account Number and Name are already available. Now Merge these two files and create a

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

Example of File-control: The assign clause assigns a specific physical peripheral device name to a file. The physical peripheral device are machine-dependent. We use the devic

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 :   We have to write a program to check whether the given number is ODD or EVEN. Identification division. Program- id. Ifst. Environment division.

DELETE STATEMENT : The file should be opened in the I-O mode. If the access is SEQUENTIAL, the INVALID KEY phrase must be specified. Rather than, the last input-output state

Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th

DISPLAY STATEMENT:   The function of the DISPLAY statement is just opposite to that of the ACCEPT statement. It is used to display the low-volume results on the operator's co

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:

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