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Selection of file Organization:
While designing a file, the programmer should select an appropriate association for a file. The order in which the choice is to be made is as shown below:
(i) Implementation support difficulty.
(ii) Software support required.
(iii) Efficiency of processing.
bal majduri ik kanuni apradh hai is de bavjud bache ,ghra,hotla,road, kam karn lai majbur han bacheya te mapeya nu parhai val prerit karn lai ik bashan teyar kro
Edit Characters for Numeric Data: The characters below can be used in the PICTURE clause to indicate the editing. Z * $ - + CR DB . , B O /
Occurs Clause: Let us establish tables with the help of an illustration. Assume that there are ten different types of income-tax rates that are read from some input medium and
DATA RECORD CLAUSE: The DATA RECORD clause, documents the record names defined for the file. For illustration, DATA RECORDS ARE REC-1, REC-2, REC-3 that means there are 3diffe
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
calculate simple interest
OCCURS CLAUSE - PROGRAM: We have to write a program to demonstrate the occurs clause. Get names of the students and show them on the screen. identification division.
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
File- Section &Working-Storage Section: a) FILE SECTION: The FILE SECTION includes the explanation of all data items that must be read from or written onto some external
PERFORM WITH TIMES OPTION: The format of a PERFORM TIMES statement is as shown below: Illustration: A) Perform the para-2 5 times. In this situation the specifie
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