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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 ADD VERB: We have to write a simple program to elaborate the ADD verb. You can also use edit characters in the program. Identification division. Program- id.
OCCURS CLAUSE - PROGRAM: We have to write a program to elaborate occurs clause. Get names and marks of the students and show them on the screen. identification division.
Examples - Edit characters for numeric data: The following illustration illustrates the use of Z editing characters. The character b is used to indicate the space character an
PROGRAM FOR SUBTRACT VERB: We have to write a simple program to elaborate the SUBTRACT verb. You can also use edit characters in the program. Identification division. Pr
Concept of a two-dimensional table: Concept of a two-dimensional table can be easily extended to tables having three or more dimensions. The Handling of tables up to three dim
Abbreviation: The Consecutive relational conditions in a compound condition can be abbreviated in many cases as shown: (i) When the subjects in the consecutive relational c
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
Currency Sign - edit characters for numeric data: $ (Currency Sign): The single currency sign can appear at the leftmost place of a picture. In that situation the $ cha
FILE CHARACTERISTICS: The task of file handling is the responsibility of the system software termed as IOCS (Input-Output control system). Record Size: We know that th
Object-Computer - Configuration section: The computer name specifies a specific computer on which the object program is to be executed. The MEMORY SIZE is used to show the
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