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

Rules of read statements, Rules of read statements: The next record is...

Rules of read statements: The next record is identified according to the rules as shown below: (i) Whenever the READ NEXT statement is the initial statement to be executed

Comparison of nonnumeric operands - relational condition, Comparison of Non...

Comparison of Nonnumeric Operands: A nonnumeric operand can be compared to the other nonnumeric operand according to the rules as shown below: (i) Fields of Equal Sizes:

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

Example of level numbers - cobol programming, Example of Level numbers - co...

Example of Level numbers - cobol programming: To explain the hierarchical structure introduced above, the concept of the level number is employed in COBOL. The most broad

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)

Numeric literals - cobol program, Numeric -   Literals : The numeri...

Numeric -   Literals : The numeric literal can be created with the help of digits only. It can have a sign (+ or -) and can also have a decimal point. If no sign is specifi

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

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

Programming Assignment, I need help with a COBOL programming assingment. I ...

I need help with a COBOL programming assingment. I have started the program but I need help completing the program. I have 5 errors. Here is the question. 10. Suppose your company

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