Block size - file characteristics , COBOL Programming

Assignment Help:

Block Size:

The normal practice is to group a number of consecutive records to form that is termed as a block or a physical record. The number of records in a block is frequently known as "blocking factors".

The IOCS reserves a memory space equivalent to the size of a block of the file. This memory space is termed as the buffer. 

 


Related Discussions:- Block size - file characteristics

Point location - picture clause, Point Location: The position of the d...

Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t

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

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

Example of condition names, Example of condition names: The illustrati...

Example of condition names: The illustration below is of the use of the condition names  77  MARITAL-STATUS     PIC    9   88  SINGLE    VALUE    IS     ZERO   88  MA

Search verb, SEARCH VERB: The SEARCH verb is used to position elements...

SEARCH VERB: The SEARCH verb is used to position elements in one-dimensional tables. Let us consider the following problem. Assume that each element of a table consists of thr

Sign condition - cobol programming, SIGN CONDITION:   The sign condit...

SIGN CONDITION:   The sign condition establishes whether or not the algebraic value of an operand is negative, positive or zero. The operand can be either the numeric identif

Illustration of perform statement, Illustration of perform statement: ...

Illustration of perform statement: PERFORM    CALCUALTE-TAX. In this illustration, the CALCULATE-TAX is either a section name or paragraph name. Assume that it is a section

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

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 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