What is open data path?

0 Answers  

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What is the purpose of the chain and setll and setgt?

0 Answers  

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what is the difference between adding keys & constraints into a phisical file

6 Answers   HSBC,

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how to update physical files using normal logical file

4 Answers  

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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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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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I have physical 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?

0 Answers  

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How can i retrieve city while my i have one field address length 60 but i don't know what where is city in this field ?

4 Answers  

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There is one string as A B C and wanted to display string as Shri A Shri B Shri C, how we can do this in sql? If we have around 100 values in string like this, each value should be displayed with initials as Shri.

0 Answers  

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what is exception and how many types of exception

1 Answers   Active Brains,

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How to update physical file using logical file with example?

0 Answers  

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Why we create the Physical File Member?

5 Answers  

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