Sequential files, COBOL Programming

Assignment Help:

SEQUENTIAL FILES:

 The purpose of the proposed section is to introduce the concepts such as File characteristics,

File Description for Fixed-Length Records, File-Control Entries for Sequential Files, the Sequential Files with Variable-Length Records and Statements for Sequential Files. The objective in this section is to explain how to create and read a tape or disk file. The magnetic tape file, like a card or printer file, can have only a sequential organization.

 


Related Discussions:- Sequential files

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

Rules of move verb, RULES OF MOVE VERB:  The Data movement is managed ...

RULES OF MOVE VERB:  The Data movement is managed by the rules which are as shown below: (a) The contents of the identifier - 1 or the value of the literal - 1 is moved to

Concept of a two-dimensional table, Concept of a two-dimensional table: ...

Concept of a two-dimensional table: Concept of a two-dimensional table can be easily extended to tables having three or more dimensions. The Handling of tables up to three dim

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)

Floating insertion - , Floating Insertion   The currency symbol ($) c...

Floating Insertion   The currency symbol ($) can emerge in multiples on the left-hand side of the picture. In this situation the character will be treated in similar way as t

Special-names - configuration section, SPECIAL-NAMES: This paragraph i...

SPECIAL-NAMES: This paragraph is used to associate some hardware names to the user-specified mnemonic names. This paragraph is elective in all compilers. The format of this pa

Close statement, CLOSE STATEMENT: When the processing of a file is com...

CLOSE STATEMENT: When the processing of a file is completed, then the file may be closed. This is completed with the help of the CLOSE-verb. The form of the CLOSE statement is

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

Illustration of divide verb, Illustration of Divide verb: (a) DIVIDE 5...

Illustration of Divide verb: (a) DIVIDE 5 INTO A. If the value of A is 20, then after execution of this statement the value of A will be 4. The older value of A will be los

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