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

Declarative and file status clause, DECLARATIVE and FILE STATUS Clause: ...

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 simila

Occurs clause - program, OCCURS CLAUSE - PROGRAM: We have to write a p...

OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen.  identification division.

Move verb - cobol programming, Introduction to MOVE Verb: The aim of th...

Introduction to MOVE Verb: The aim of this section is to introduce the learner how to move data from one place to the other place in the memory. This is completed with the help

Slash insertion - edit characters for numeric data, / (Slash Insertion): ...

/ (Slash Insertion): The edit character slash (/) also termed as virgule or stroke, may appear anyplace in the picture. When used, it will be inserted. More than one slash can

Rewrite statement - indexed files, REWRITE STATEMENT: As in the situat...

REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec

Use of evaluate statement, Evaluate is like a case statement & Evaluate  s...

Evaluate is like a case statement & Evaluate  stamenet can be used to replace nested Ifs. The difference b/w EVALUATE and case is that there is no 'break' is required for EVALUATE

Start statement - indexed files, START STATEMENT: The START statement ...

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

Currency sign - edit characters for numeric data, Currency Sign - edit char...

Currency Sign - edit characters for numeric data: $ (Currency Sign): The single currency sign can appear at the leftmost place of a picture. In that situation the $ cha

Size - picture clause, Size: The number of characters or digits needed...

Size: The number of characters or digits needed to store the data item in the memory in termed as the Size of the data item. All the 4 general characteristics explained can

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

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