When will you use OPEN and CLOSE opcodes in RPG program?

1 Answers  

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What is a library list ?

1 Answers  

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What is the use of OVRDBF ?

1 Answers  

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How do you combine two record formats in RLU ?

1 Answers  

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When will DUMP and DEBUG opcodes be ignored?

1 Answers  

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Is it possible to join the same file to itself ?

1 Answers  

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which are control break logic indicators?

0 Answers   IBM,

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where exactly we can use OPNQRYF ?

3 Answers   TCS,

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What are the different ways to input data into data area?

1 Answers  

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what the purpose of ovrdta, ovrata keywords?

1 Answers   IBM,

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what is the use of UNIQUEUE KEY WORD? what is the difference between PFILE AND REF?

2 Answers  

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how do you use exceptional write in c specs?

1 Answers   IBM,

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