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STATEMENTS FOR SEQUENTIAL FILES:
A basic operation on a file includes the reading and writing of its records.
Whenever the file is sequential, there are three verbs for the aim. These are READ, WRITE and REWRITE.
NESTED IF STATEMENT: The then and else statement of an IF statement can hold other IF statements. The involved IF statements in their turn may also hold other IF statements
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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
can we move spaces to numeric field
Rules for apply for the condition name: The rules below apply for the condition name. (i) The Condition names should be explained at level 88. The level number starts in ma
Transaction file : A transaction file is a file which contains new records those changes to old records which are used to update the master file. The problem of file updatio
Illustration of Perform with varying option: A) Perform para-3 varying the k from 1 by 1 until k > 10. Here para-3 will be constantly executed 10 times (For k=1,2,3, .....1
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
PROGRAM FOR MASTER FILE MAINTENANCE: We have to write a program to keep the stu-file for which a record has just 2 fields,viz., rno(Roll Number) and name(Student Name). Give t
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
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