Delete statement, COBOL Programming

Assignment Help:

DELETE STATEMENT:

The format of the delete statement is as shown below:

DELETE   file-name RECORD   [  ;   INVALID   KEY  imperative-statement  ]

Whenever the ACCESS MODE IS SEQUENTIAL the execution of the DELETE statement should be preceded by the execution of a READ statement on the file and the INVALID KEY phrase must not be specified.

 

 


Related Discussions:- Delete statement

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

Compound condition, COMPOUND CONDITION: The two simple conditions can ...

COMPOUND CONDITION: The two simple conditions can be connected by the logical operators AND or OR to form a compound condition (also termed as combined condition). When two co

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

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

Column and field in cobol program, Column and Field in COBOL program: ...

Column and Field in COBOL program: In COBOL there are 2 types of entries termed as margin A and margin B entries. The Margin A entries start from the column 8, 9, 10 or 11 and

Valid and invalid word - cobol words, Valid and Invalid Word - Cobol words:...

Valid and Invalid Word - Cobol words: Valid Word             Invalid Word & Reason emp-sal                  -pay   ( it starts with a hyphen)  TOTAL MARK (blank space em

Illustration of perform with varying option, Illustration of Perform with v...

Illustration of Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1

Declarative and file status clause, DECLARATIVE and FILE STATUS Clause: ...

DECLARATIVE and FILE STATUS Clause: The input-output exception condition in the situation of a direct access files can be handled by a declarative procedure in a manner simila

Renames clause, RENAMES CLAUSE: At times re-grouping of an elementary ...

RENAMES CLAUSE: At times re-grouping of an elementary data items in a record may be essential so that they can belong to the original as well as to the latest group. This is o

Data division, Data Division: The Data Division is a part of the COBOL...

Data Division: The Data Division is a part of the COBOL program where every data item processed by the program is described. It is very important to note that unless a data

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