What is FORMAT keyword and its use?
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How to find the list of source physical files in a library?
I have a PF with out any data but the dependent LF is having data?
Hi, Please give the answer to this question? I have Phisical file with 100 records,there is no any duplicate records in this pf.Based on this pf one Logical file i have used.But this lf is viewing only 80 records only of that pf?What is the reason for this?Please give me answer?
CRTDTA AND CRTARA should be used along with?
what is the intractive job? what is the batch job ? how to change the batch job to interactive job?
Can anybody tell why Journalling is compulsary before Commitment Control?
one physical file can have how many max of logical files? what is the primary file?
1. How can I create a LF using crtlf command based on a particular member in a multimember PF? Where I have to specify the member name? 2. How to differentiate between the types of join from a Join logical file DDS. Is it possible to have different types of Join Logical files? 3.Any performance difference between Opnqrf and Embedded SQL? When I should prefer Opnqryf and when SQL? 4. I know access path is the path chosen by the program to retrieve data. It can be of keyed access path or arrival sequence. *IMMED- *IMMED description says access path is updated each time record is added or deleted from a member. - What is updating here? *REBLD - The access path is completely rebuilt each time a file member is opened. The access path is maintained until the member is closed, then the access path is deleted. - I am not able to understand this completely. Could anyone explain these more clearly? 5.What is the purpose of using activation group. I know it is a resource allocator, but other than this any other benefits of using an activation group?
Define interactive jobs and batch jobs
How many maximum record format a logical file have?
When we create a pf and did not fill up maint parameter, then by default which access path will the system take & why?
What is the interactive job? What is the batch job? How to change the batch job to interactive job?