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Direct Organization:
Besides the relative or indexed organization, also a direct access file can be designed to have what is termed as direct organization. In this organization, the data records are stored or "accessed" by using a scheme of converting the record into the disk address to which the record is placed. Therefore, no index table as in the case of an indexed file is essential.
Non numeric: The nonnumeric literal is used in normal to output messages or headings. The Characters which are enclosed between " " constitute nonnumeric literal. The maximum
PROGRAM USING OCCURS CLAUSE: We have to write a simple program to demonstrate Occurs Clause. Get the employee details for 3 persons and compute the total salary. identifica
ON SIZE ERROR OPTION: Whenever a size error occurs, the contents of the result field after the operation is unpredictable. Though, the processing is not-terminated and the co
PROGRAM TO DEMONSTRATE SORT VERB: The file for which a record having 2 fields, viz., Account Number and Name is already available. Sort the file based on the ascending order o
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
Point Location: The position of the decimal point is the other characteristic which can be specified in the case of the numeric data items. If the position is not specified, t
SIMPLE MERGE VERB: Like sorting, the merging of files is often required in different commercial application. It is likely to merge two or more files with the help of one MERGE
RELATIONAL CONDITION: We know that a relational condition specifies a comparison between two operands and has the form. Operand-1 relational-operator operand-2
FILLER CLAUSE: Consider the statements as shown below: 1) 01 f pic x(80) value all "-". This statement origins a line of 80 characters filled with "-"
READ STATEMENTS: The common format for the read statements is as shown bellow. Format 1: READ file-name RECORD [ INTO identifier ] [ ; AT END imperative-s
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