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

Selection of file organization, Selection of file Organization: While ...

Selection of file Organization: While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as s

Record description for the variable-length records, Record Description for ...

Record Description for the Variable-length Records: When the variable- length records consists of records of various lengths, each record type is to be explained at level 01 f

Credit and debit sign - edit characters for numeric data, CR and DB (Credit...

CR and DB (Credit and Debit Sign): The two characters that is CR or DB symbol may appear only at the rightmost place of the picture. They are similar to the minus sign edit ch

Configuration section - cobol program, Configuration Section: This sec...

Configuration Section: This section holds an overall specification of the computer used for the purpose of the compilation and execution of the program. There are in all 3 par

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

Reserve clause and organization/access clause, RESERVE clause: This cl...

RESERVE clause: This clause indicates the number of buffers to be used for the file. Integer-1 specifies this number. ORGANIZATION/ACCESS clause: These two clause

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

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 ]

Program for perform - until, PROGRAM FOR PERFORM ...UNTIL We have to w...

PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.

Sequential file creation and rewriting, SEQUENTIAL FILE CREATION AND REWRIT...

SEQUENTIAL FILE CREATION AND REWRITING: We have to write a program to create a student file with just two fields: sno i.e. Student Number and same i.e. Student Name. Add a few

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