Attended Xansa Interview , Asked Questions : 1) Diff between Renames and Rede

Attended Xansa Interview , Asked Questions :

1) Diff between Renames and Redefines
2) Comp and Comp -3
3) What will happen if DISP = ( NEW, DELETE, KEEP)
4) Gave one scenario like , if PIC clause X(50) has to be
increased to X(70) how u will proceed with this change.
5) Diff between Section and Paragraph

Question Posted / vikaspo

4 Answers
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Attended Xansa Interview , Asked Questions : 1) Diff between Renames and Redefines 2) Comp and C..

Answer / guest

rename is regrouping of elementary data item. redefines is
making different data despriction entries to describe same
storage location in mmemory

Is This Answer Correct ?

4 Yes

1 No

Attended Xansa Interview , Asked Questions : 1) Diff between Renames and Redefines 2) Comp and C..

Answer / raj

hi,

when we execute a section,it will executes all the
paragraphs present in it.

when we execute a paragraph it executes alone.

i.e section is collection of paragraphs.

Is This Answer Correct ?

2 Yes

0 No

Attended Xansa Interview , Asked Questions : 1) Diff between Renames and Redefines 2) Comp and C..

Answer / loganathan

The RENAMES clause does not use any extra space within the
program as all it is doing is supplying a replacement name
for use in a data definition attached to the program via a
COPY statement. This allows the same code to be copied
multiple times and given different names. All of this is
resolved by the compiler and does not affect the size of
the resultant program.

The REDEFINES clause is used to provide a different data
definition for the same data area. In this instance both of
the names supplied are accessible to be used in the
PROCEDURE DIVISION. As such the code generated by the
compiler may be different depending on which of the names
that is used.

Is This Answer Correct ?

2 Yes

1 No

Attended Xansa Interview , Asked Questions : 1) Diff between Renames and Redefines 2) Comp and C..

Answer / prasanna

1. RENAMES just renames the variable whereas REDEFINES can
give a new definition to a variable and can also rename it.
No one is using RENAMES claus e nowadays..

2. COMP is numeric data represented in Binary, number must
be a positive integer. bytes vary from 2 to 8 depending on
th e PIC clause. COMP-3 is variable declared in packed
decimal form. Each digit will take half a bit of storage.
sign is stored seperately regardless of S specified

3. Will create a dummy dataset.

4. In COBOL the variable declaration is restricted to 30
and so, it 'll result in an error. For theory sake, one can
use REDEFINE clause.

5. Variables are declared in SECTION and are used in
PARAGRAPHS..