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

6 Answers   HSBC,

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what is error handling concepts in cl

3 Answers   Active Brains,

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can any one tell me what is meant by PSSR? Kindly elaborate it...

1 Answers  

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How can we know that a trigger has been added on a PF? and what is the purpose of adding a trigger?

3 Answers  

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Last statement of any RPG pgm is LR?

5 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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How to update physical file using logical file with example?

0 Answers  

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What is the primary file?

0 Answers  

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Which keyword is used both in subfile and subfile control record format of a DSPF?

8 Answers  

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How many libraries can be there in a library list?

2 Answers  

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How many maximum record format a logical file have?

0 Answers  

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hi iam very new to as400. i had created one physical file can any one tell command to enter data in to that

9 Answers   Encore,

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