How to know the perticular record in pf with out reading?

2 Answers   Cap Gemini,

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how to see number of logical files depending on a pf?...can we declare more than 20 logical files from a single pf? is it possible

4 Answers   ocbc,

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What is the batch job?

0 Answers  

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When u create a PF and did not fill up Maint parameter, then by default which access path will the system take & why

2 Answers   HCL,

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YOU CAN DELETE THE RECORD SPACE PERMENANTLY IN PHYSICALFILE THROUGH CL?

4 Answers  

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Suppose if a physical file is having 1000 records, but i deleted 500 records from it. Here the concern is can the size of the file changes or it remains the same... kindly help me out with thorough xplanation.... Thanks in-advance...

6 Answers   ABC, TCS,

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There are six records in a file and we are going to update that records and used commit operation when it complete the update but suppose when it updating the third record,a error occured and operation failed.Is previously two records will be update or whole operation will be rollback? Please confirm it.

2 Answers  

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what is open data path? and what is the diff b/w access path and open data path?

3 Answers   Cap Gemini,

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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?

2 Answers   IBM,

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What is the difference between access path and open data path?

0 Answers  

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Where the QTEMP library will get created? if the the answer is QSYS, then howcome more than one job can create same library name(QTEMP) in QSYS? what is the uniqueness of QTEMP? For example, run the below command in different workstation WRKOBJ QSYS/QTEMP And take 8 in the option to check the description. both will have different info. so where(which LIB) exactly the QTEMP is stored?

2 Answers  

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How to add a field to a PF and compile it without loss of data?

7 Answers  

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