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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.
Example of Perform statement: PERFORM BEGIN-CALCULATION THRU END-CALCULATION. Assume, BEGIN-CALCULATION and END-CALCULTION is paragraph names. The execution of the PERFORM
Encryption and Decryption
NONSTANDARD CLAUSES: The various clauses explained above are as per the ANSI standard. Also, most compilers provide for additional nonstandard clauses to meet the specific nec
calculate simple interest
PROGRAM FOR SCREEN SECTION WITH FILES: identification division. program- id. environment division. input-output section. file-control. select
GIVING file-name-5. The input files to be merged through the MERGE statements which are specified in the USING phrase. These files should be sequential files and should be
B (Blank Insertion) : The occurrence of a B anyplace in the picture will insert a space character in the edited data. There can be more than one B in the picture. Examples:
OPEN STATEMENT: Whenever a READ or a WRITE operation is executed on a file, then it should be open. The opening of a file may be completed with the help of the OPEN verb. With
Illustration of Search verb: To illustrate the other use of SEARCH verb, assume we wish to search the similar tab to find the number of persons whose deposited amount is more
PROGRAM FOR MULTIPLY VERB: We have to write a simple program to elaborate MULTIPLY verb. You can also use the edit characters in the program. Identification division. Pr
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