Procedure division statements for the relative files, COBOL Programming

Assignment Help:

PROCEDURE DIVISION statements for the relative files:

The statements OPEN, CLOSE, READ, WRITE and REWRITE that are available for sequential files are also available for the relative files. In addition, two other words, namely, the DELETE and START are also available. As observes the OPEN and CLOSE statements, there is no distinction between relative file and sequential disk file. 

 


Related Discussions:- Procedure division statements for the relative files

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

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

Programs for redefines clause , PROGRAMS FOR REDEFINES CLAUSE: We have...

PROGRAMS FOR REDEFINES CLAUSE: We have to write a simple program to explain the REDEFINES clause at 01 level. identification division. program- id. Redef. environment

Rules of renames clause, RULES OF RENAMES CLAUSE:   The rules below s...

RULES OF RENAMES CLAUSE:   The rules below should be observed while using the RENAMES clause: (i) All RENAMES entries should be written only after the last record descript

Abbreviation of compound condition, Abbreviation: The Consecutive rela...

Abbreviation: The Consecutive relational conditions in a compound condition can be abbreviated in many cases as shown: (i) When the subjects in the consecutive relational c

Redefines clause , REDEFINES CLAUSE: At times it may be found that two...

REDEFINES CLAUSE: At times it may be found that two or more storage regions defined in the DATA DIVISION are not in use concurrently. In such situations only one storage regio

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

Rewrite statement - indexed files, REWRITE STATEMENT: As in the situat...

REWRITE STATEMENT: As in the situation of a relative file, the REWRITE statement needs that the file should be opened in the I-O mode, and if the SEQENTIAL access mode is spec

Restrictions - procedure in statement, There are some restrictions when the...

There are some restrictions when these procedures are used. (i) The Procedure should not contain any SORT/MERGE statement. (ii) An explicit transfer of the control outside

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