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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.
PROGRAM FOR INDEXED SEQUENTIAL FILE CREATION (RANDOM MODE): We have to write a program to create an Indexed Sequential File in random mode for Student particulars. Suppose jus
calculate simple interest
Group Item as Operand in the Relational Condition: Whenever an operand of a relational condition is the group item, the item is then considered to be an alphanumeric field. Th
INPUT AND OUTPUT PROCEDURE IN SORT STATEMENT: The common format of the SORT statement can write as shown below: The format of the RELEASE statement is as shown be
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 f
Encryption and Decryption
Example of read statement: Illustration: READ OLD-MASTER AT END MOVE ZERO TO END-OF-RECORDS. As a result of this statement, generally the next record from the OLD-MAST
ADD and SUBTRACT CORRESPONDING: The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPON
REWRITE statement: The REWRITE statement is used to update the existing record in a disk file. The normal format is as shown below: REWRIE record-name [ FROM ide
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
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