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

Format for cobol programs, Format for COBOL Programs: The COBOL is a h...

Format for COBOL Programs: The COBOL is a high-level language. Therefore, a COBOL program can be executed on a computer for which a COBOL compiler exists. The compiler transla

Merge verb with output procedure, MERGE VERB WITH OUTPUT PROCEDURE: Li...

MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below:   The r

Rules for simple sort verb, Rules for Simple sort verb: The work file ...

Rules for Simple sort verb: The work file is to be defined by a sort elaboration entry (SD entry).The format of SD entry is as shown below. The rules below should be taken

Illustration of simple sort verb, Illustration of simple sort verb: Il...

Illustration of simple sort verb: Illustration: Suppose that we have a card file with the following records description in the data division. The names of the work fil

Write statement - indexed files, WRITE STATEMENT: The records are wri...

WRITE STATEMENT: The records are written to be logical place as determined from the value of the record key. The INVALID KEY condition occurs in the cases shown below: (i)

Cobol words, COBOL Words: The COBOL word can be formed by using the ch...

COBOL Words: The COBOL word can be formed by using the characters as shown below: 0-9 A-Z (a-z) - (hyphen) The rules below should be hold in forming the COBOL words.

Rewrite statement, REWRITE statement: The REWRITE statement is used to...

REWRITE statement: The REWRITE statement is used to update the existing record in a disk file. The normal format is as shown below: REWRIE  record-name  [  FROM      ide

Occurs clause, Occurs Clause: Let us establish tables with the help of...

Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and

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

Group item as operand in the relational condition, Group Item as Operand in...

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

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