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ADD and SUBTRACT CORRESPONDING:
The CORRESPONDING option can also used with the ADD and SUBTRACT verbs. The following are some of the formats of these verbs with the CORRESPONDING option.
In the situation of the ADD statement, the numeric elementary items in the group referred to by identifier-1 are added to and stored in the equivalent elementary items of the group named in identifier-2. In the situation of the SUBTRACT statement, the equivalent numeric elementary items of the group referred to by identifier-1 are subtracted from and are stored in the equivalent numeric elementary items of the group referred to by identifier-2.
FILE-CONTROL ENTRIES FOR THE SEQUENTIAL FILES: The characteristics of each and every files handled in a program are specified in the ENVIRONMENT DIVISION and DATA DIVISION.
SEQUENTIAL FILE CREATION AND REWRITING: We have to write a program to create a student file with just two fields: sno i.e. Student Number and same i.e. Student Name. Add a few
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
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.
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.
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
SEQUENTIAL FILES: The purpose of the proposed section is to introduce the concepts such as File characteristics, File Description for Fixed-Length Records, File-Control
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
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
Label Records / Disk Directory: The most important information stored in the header label is what is termed as the file title. In the situation of magnetic-disk files the labe
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