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
7968 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 is the facility that allows mainframes to be partitioned into lapars?

0 Answers

What is meant by a bolt dispute?

0 Answers

How joinkeys helps in sort?

0 Answers

Write the difference between hidam and hdam databases?

0 Answers

how do we do unit testing in mainfrmae. explain step-wise.

2 Answers IBM, JBK,

what sorting order does search all have?

0 Answers IBM,

which one of the following cannot cause more than one execution of paragraph that may be nam in statement. A) simple perform B) perform with time C) perform until D) perform varying

3 Answers Accenture,

What is the mainframe testing?

0 Answers

What is mainframe computer /system?

0 Answers

Is the order of the when clause important in an evaluate statement? Is the order of the when clause significant in an evaluate statement?

0 Answers

What is the function of currentdata option in bind?

0 Answers

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

0 Answers

For more IBM MainFrame AllOther Interview Questions Click Here