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

Rewrite statement - relative files, REWRITE STATEMENT: The REWRITE st...

REWRITE STATEMENT: The REWRITE statement has the format for a relative file as shown below, REWRITE record-name  [ FORM identifier ]

Add and subtract corresponding, ADD and SUBTRACT CORRESPONDING: The CO...

ADD and SUBTRACT CORRESPONDING: The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPON

Example of on size error option, ON SIZE ERROR OPTION: Whenever a size...

ON SIZE ERROR OPTION: Whenever a size error occurs, the contents of the result field after the operation is unpredictable.  Though, the processing is not-terminated and the co

Perform with varying option, PERFORM WITH VARYING OPTION: The format i...

PERFORM WITH VARYING OPTION: The format is as shown below:

Indexed tables, INDEXED TABLES: The OCCURS clause that is used to defi...

INDEXED TABLES: The OCCURS clause that is used to define tables can optionally have an INDEXED phrase. This phrase involves the names of data items which are to be used as sub

Program for screen section, PROGRAM FOR SCREEN SECTION:  identificatio...

PROGRAM FOR SCREEN SECTION:  identification division.   program- id.   environment division.   data division.   working-storage section.   01  a pic 9(2) value

Figurative constants - cobol program, Figurative Constants: The Figura...

Figurative Constants: The Figurative constants have several fixed names and the compiler recognizes these names and it sets up the equivalent values in the object program.

The LENDER Bank, The LENDER Bank offers mortgages on homes valued up to $50...

The LENDER Bank offers mortgages on homes valued up to $500,000. The required down payment is calculated as follows: 4% of the first $60,000 borrowed 8% of the next $30,000 borro

Common form of the read statements, Common form of the READ statements: ...

Common form of the READ statements: Format 1 is the common form of the READ statements. Format 2 is used when the access mode is either random or dynamic. For illustration,

Blank when zero - edit characters for numeric data, BLANK WHEN ZERO: ...

BLANK WHEN ZERO: BLANK WHEN ZERO is an editing clause that may be used along with a picture. This will set the whole data item to blanks of its value is equal to zero. Though,

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