Direct organization, COBOL Programming

Assignment Help:

Direct Organization:

Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization.  In this organization, the data records are stored or "accessed" by using a scheme of converting the record into the disk address to which the record is placed. Therefore, no index table as in the case of an indexed file is essential.

 

 

 


Related Discussions:- Direct organization

Sequential files, SEQUENTIAL FILES:   The purpose of the proposed sec...

SEQUENTIAL FILES:   The purpose of the proposed section is to introduce the concepts such as File characteristics, File Description for Fixed-Length Records, File-Control

Example of file-control, Example of File-control: The assign clause as...

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

Read statement, READ STATEMENT: The aim of this verb is to make availa...

READ STATEMENT: The aim of this verb is to make available the next logical record from the input file. It is important to note the meaning of the "next" logical record in the

Examples - edit characters for numeric data, Examples - Edit characters for...

Examples - Edit characters for numeric data: The following illustration illustrates the use of Z editing characters. The character b is used to indicate the space character an

Record description for the variable-length records, Record Description for ...

Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f

Example of read statement, Example of read statement: Illustration: ...

Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST

Sequential files with the variable-length records, SEQUENTIAL FILES WITH TH...

SEQUENTIAL FILES WITH THE VARIABLE-LENGTH RECORDS: The Magnetic - tape or disk files can hold variable-length records. In this situation the file can have records with various

Transaction file - file updation, Transaction file : A transaction file...

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

Kirat da satikar, bal majduri ik kanuni apradh hai is de bavjud bache ,ghra...

bal majduri ik kanuni apradh hai is de bavjud bache ,ghra,hotla,road, kam karn lai majbur han bacheya te mapeya nu parhai val prerit karn lai ik bashan teyar kro

Program for output file that can be our vsam file, We have input file, reco...

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

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd