When we create a physical dataset we specify dcb parameter block size.What is

When we create a physical dataset we specify dcb parameter
block size.What is the use of Blocking?

Question Posted / sreerag p n

4 Answers
8107 Views
I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / saravana

Blocking must be in multiples of LRECL. for eg,
DCB=(REFCM=FB,LRECL=80,BLKSIZE=800) It specifies a group of
record length into one single block field.

Is This Answer Correct ?

3 Yes

0 No

When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / ashish

dcb is to specify the nature of the filei.e size, format,
blksize, ps or po.

Is This Answer Correct ?

4 Yes

2 No

When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / neethu

BLOCK SIZE IS USED TO MENTION HOW MANY BLOCKS ALLOCATE TO
STORE MY DATA.IT ALWAYS COME AS MULTIPLES OF RECORD LENGTH.
FOR EXAMPLE DCB=(LRECL=80,RECFM=FB,BLKSIZE=800).

Is This Answer Correct ?

3 Yes

2 No

When we create a physical dataset we specify dcb parameter block size.What is the use of Blocking?..

Answer / sizer

We use Blocking when want increase the read/write speed
with this dataset. Than greater is BLKSIZE, then faster is
IO.

Is This Answer Correct ?

1 Yes

1 No

Post New Answer

More IBM MainFrame AllOther Interview Questions

what error do we get in prodution support and questions on production support

2 Answers

write a query to get RRN value from rpg?

1 Answers

Is it possible to move the alphanumeric variables to a numeric variable?

0 Answers

suppose if you added a coloumn to db2 table, How would it be the Impact analysis?

0 Answers

What is the function of iebgener?

0 Answers

what is the difference between the jes2 and jes3

2 Answers

Describe the benefits of drda?

0 Answers

does anybody know about niit technologies ? how is that company ? any body working in that company ? please answer my question.I got selected in NIIT Technologies delhi.

0 Answers

What are the mainframe computing pros and cons?

0 Answers

Can I redefine an x(200) field with a field of x(100) ?

0 Answers

Can min or max be used with alphanumeric data?

0 Answers

how to handle -911 (deadlock) error in a db2 program so that the program will never abend?

0 Answers IBM,

For more IBM MainFrame AllOther Interview Questions Click Here