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Containers : Usage and Types?
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What is the default cache size? How do you change the cache size if needed?
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What are Stage Variables, Derivations and Constants?
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Dimension Modelling types along with their significance
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Differentiate Database data and Data warehouse data?
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What are the difficulties faced in using DataStage ? or what are the constraints in using DataStage ?
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What is the order of execution done internally in the transformer with the stage editor having input links on the lft hand side and output links?
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How do you track performance statistics and enhance it?
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What is SQL tuning? how do you do it ?
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What happens if the job fails at night?
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How do you pass the parameter to the job sequence if the job is running at night?
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How do you populate source files?
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Suppose if there are million records did you use OCI? if not then what stage do you prefer?
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Why do you use SQL LOADER or OCI STAGE?
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What r XML files and how do you read data from XML files and what stage to be used?
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How many jobs have you created in your last project?
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Tell me the environment in your last projects
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Did you Parameterize the job or hard-coded the values in the jobs?
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