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FD Entry for variable-length Records:
The RECORDS CONTAINS and BLOCK CONTAINS clause are quite dissimilar in the case of files with variable- length records. The syntax of these two clauses is as shown below:
RELATIONAL CONDITION: We know that a relational condition specifies a comparison between two operands and has the form. Operand-1 relational-operator operand-2
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 file
What is the difference between subscript and index
Example of Open statement: Illustration: The OPEN INPUT TRANSACTION, OLD-MASTER OUTPUT NEW-MASTER. The illustration represents that there are two input files named the
PERFORM WITH VARYING OPTION: The format is as shown below:
Illustration of Multiply verb: (a) MULTIPLY A BY B. In this situation the value of A & B will be multiplied and the product will be stored in B. The decimal point locatio
PROGRAM FOR PERFORM ...UNTIL We have to write a program to find the sum of "n" natural numbers. Identification division. Program- id. PerfUntil. Environment division.
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
Data Names and Identifiers: The Data name provides reference to the storage space in the memory where the real value is stored. This value takes part in the operation whene
MERGE VERB WITH OUTPUT PROCEDURE: Like the sort verb, the merge verb can also have an output procedure. The syntax of the MERGE verb is as shown below: The r
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