Sequential files with the variable-length records, COBOL Programming

Assignment Help:

SEQUENTIAL FILES WITH THE VARIABLE-LENGTH RECORDS:

The Magnetic - tape or disk files can hold variable-length records. In this situation the file can have records with various fixed lengths or one or more records can hold variable number of table elements. In the later situation the table elements are defined with OCCUR....DEPENDING clause. 

 


Related Discussions:- Sequential files with the variable-length records

Label record and value of clause, LABEL RECORD CLAUSE: This clause spe...

LABEL RECORD CLAUSE: This clause specifies whether or not the standard header and trailer labels must be present in the magnetic-tape files. VALUE OF CLAUSE: The VAL

Program for move corresponding, PROGRAM FOR MOVE CORRESPONDING: We hav...

PROGRAM FOR MOVE CORRESPONDING: We have to write a simple program to demonstrate Move Corresponding. identification division.   program- id.   environment division.

Updating of the relative and indexed files, UPDATING OF THE RELATIVE AND IN...

UPDATING OF THE RELATIVE AND INDEXED FILES: The Sequential files are updated by creating a new master file from an existing old master file and a transaction file. Such an Upda

Rules for indexed tables, RULES FOR INDEXED TABLES: The rules of index...

RULES FOR INDEXED TABLES: The rules of indexing a table with an INDEXED phrase are as shown below: (1) If indexing is completed for any one level of a table, then indexing

Buffers - file characteristics, Buffers: The Modern computers are able...

Buffers: The Modern computers are able of handling I-O operations independent of the CPU by means of the hardware termed as data channel. For illustration, if two buffers a

Example of redefines clause, Example of Redefines clause: This illustr...

Example of Redefines clause: This illustration describes a sales record that may either contain the total amount of sale or the quantity (QTY) and UNIT-PRICE. The aim of such

Add verb, ADD VERB: The ADD Verb can be used to find the sum of two or ...

ADD VERB: The ADD Verb can be used to find the sum of two or more numbers and to store the sum.  The ADD verb takes any one of the two forms as shown below:

Illustration of if- else statement, Illustration of if- else statement: ...

Illustration of if- else statement: IF OK-BALANCE NEXT SENTENCE ELSE MOVE 2 BALANCE-CODE In this illustration, the OK-BALANCE is a condition name. No action is specific if

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

Procedure division statements for the indexed files, PROCEDURE DIVISION sta...

PROCEDURE DIVISION statements for the indexed files: All the statements which are available for a relative file are also available for an indexed file. READ STTATEMENT :

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