What is the difference between iter and do? We know both are used to execute set of statements repeatedly, but what is the main difference?
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how can you check for a records existence without causing and i/o (chain/read)?
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Q.Suppose one job is running in a batch mode for a long time now i want to kill this batch job. how you achive this?
What is the purpose of the following? FORDHDR1 IF E K DISK ORDHDRF KRENAMEORDHDRF1
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what is the disadvantage of using global variable?
what is the use of data structures?