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PROCEDURE DIVISION statements for the indexed files:
All the statements which are available for a relative file are also available for an indexed file.
READ STTATEMENT :
When either the RANDOM or DYNAMIC access mode is specified or the records are to be read in a random manner, the syntax is as shown below:
READ file-name RECORD [ INTO IDENTIFIER ]
[ ; KEY IS data-name ]
[ ; INVALID KEY imperative-statement ]
The data name in the KEY IS phrase should be either the prime key or the alternative key item. If the phrase is not specified, then the prime key is supposed. Let consider PERSONNEL be an indexed file and let EMP-NO be the prime key and NAME be the alternative key.
Rules for constructing an Arithmetic Expression: The rules for constructing an arithmetic expression are as shown below: (i) When an arithmetic expression specifies a calcu
PROGRAM FOR IF : We have to write a program to check whether the given number is ODD or EVEN. Identification division. Program- id. Ifst. Environment division.
we have input file ,record layout is EMP ID (6 char) , EMP NAME (20 char), Designation (3 char),Salary (5 digit) Base Branch (10char) Grade (3 Alphanumeric). This is the input file
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
CONDITIONS-NAME CONDITION: The condition name is an entity which itself is a condition and these can have either a true or false value. Though, a condition name cannot be d
Name the divisions in a COBOL program are given below DENTIFICATION DIVISION DATA DIVISION ENVIRONMENT DIVISION PROCEDURE DIVISION.
77 level used for- It is Elementary level item. it Cannot be subdivisions of other items or cannot be qualified, or they can be subdivided themselves.
What is the difference between subscript and 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
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
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