Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
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 description entry.
(ii) The RENAMES clause should be used only with the special level number 66. The level number starts in margin A or any place after it. The Data-name-1 should start from margin B or any position after it. There should be at least one space between the level number and data-name-1.
(iii) The Data-name-2 and data-name-3 can be the names of an elementary items or group items. They, though, cannot be items of the level 01, 66, 77 or 88.
(iv) The Data-name-1 might not be used as the qualifier. It can be qualified only by the name of the record within which it is defined.
(v) Neither data-name-2 nor the data-name-3 can have an OCCURS clause in its neither description entry, nor can they be subordinate to an item which has an OCCURS clause in its data description entry.
(vi) The Data-name-3, if mentioned, should follow data-name-2, in the record and should not be one of its subfields.
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
Selection of file Organization: While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as s
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
MULTIPLY VERB: The Multiply Verb causes one or more multiplicands to be multiplied by the multiplier and to store the products. The form of the MULTIPLY verb is as shown be
Size: The number of characters or digits needed to store the data item in the memory in termed as the Size of the data item. All the 4 general characteristics explained can
RULES OF REDEFINES CLAUSE The rules shown below govern the use of the REDEFINES clause: (i) The level-number of data-name-1 and data-name-2 should be identical. (ii) Exce
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
OPEN statement: We know that the processing of a file should start with the execution of an OPEN statement. The file can be opened in any one of the 4 open modes - INPUT, OUTP
File volatility: File volatility associates to the number of times the updating of records are needed during some time period. File interrogation: Some files hold re
IF ... ELSE STATEMENT: We are familiar with an easy form of the IF statement. The common form of the IF statement is as shown below: Each of the statement-1 and statem
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!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd