When we create a physical dataset we specify dcb parameter
block size.What is the use of Blocking?
- 4 Answers
- 7039 Views
- I also Faced
- E-Mail Answers
Answers were Sorted based on User's Feedback
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 |
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 |
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 |
What is the difference between version control and debugging tools?
Please any one can tell me,What are the tools for pl/1 project in real time scenario?(what are the version control,debugging and files related tools)?
What do you mean by monitor block?
How do you eliminate the duplicates?
Can records be accessed randomly in esds?
how are start and xctl different?
Hello, I have 3 years of exp as a mainframes tester in a leading IT company, now am looking to change my company. Could you please let me know, what are the interview questions/topics i should prepare. Your suggestions are truly valuable for me :) Thanks !!
Explain isolation level?
What is plan and package in mainframe?
Can min or max be used with alphanumeric data?
What is the need to code commits in batch programs?
What is the facility that allows mainframes to be partitioned into lapars?
COBOL 
