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

Nonstandard clauses, NONSTANDARD CLAUSES: The various clauses explaine...

NONSTANDARD CLAUSES: The various clauses explained above are as per the ANSI standard. Also, most compilers provide for additional nonstandard clauses to meet the specific nec

Literals - cobol program, Literals: The actual values can too appear i...

Literals: The actual values can too appear in a program. These values are termed as literals. For illustration, the statement MOVE 0 TO TOTAL indicates that the value zero wil

Input and output procedure in statement, INPUT AND OUTPUT PROCEDURE IN SORT...

INPUT AND OUTPUT PROCEDURE IN SORT STATEMENT: The common format of the SORT statement can write as shown below: The format of the RELEASE statement is as shown be

Illustration of nested if statement, Illustration of nested if statement: ...

Illustration of nested if statement: Consider the nested sentence which is as shown below: The IF-ELSE pairs in this sentence can be detected by applying the rule whic

Write statement - sequential files, WRITE statement: The WRITE stateme...

WRITE statement: The WRITE statement for tape and sequential-disk files has the syntax shown below. WRITE            record-name      [  FROM    identifier   ] As a resu

Giving file-name - simple merge verb, GIVING    file-name-5. The input...

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

Sign - picture clause, Sign - Picture clause: The numeric data item ca...

Sign - Picture clause: The numeric data item can be signed or unsigned. If a numeric data is regarded as unsigned then during the execution these unsigned data items are treat

Comma - edit characters for numeric data, , (Comma) : A comma, wheneve...

, (Comma) : A comma, whenever used in a picture, is considered as an insertion character and inserted wherever it become visible. There can be more than one comma in the pictu

Edit characters for numeric data, Edit Characters for Numeric Data: Th...

Edit Characters for Numeric Data: The characters below can be used in the PICTURE clause to indicate the editing.   Z    *  $  -    +    CR    DB    .    ,    B    O    /

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

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