INTERVIEW QUESTIONS DATA WAREHOUSING DATASTAGE DETAILS

Question: What is data set? and what is file set?

Answer: File set:- It allows you to read data from or write data to a file set. The stage can have a single input link. a single output link, and a single rejects link. It only executes in parallel modeThe data files and the file that lists them are called a file set. This capability is useful because some operating systems impose a 2 GB limit on the size of a file and you need to distribute files among nodes to prevent overruns.

Datasets r used to import the data in parallel jobs like odbc in server jobs

File set:- It allows you to read data from or write data to a file set. The stage can have a single input link. a single output link, and a single rejects link. It only executes in parallel modeThe data files and the file that lists them are called a file set. This capability is useful because some operating systems impose a 2 GB limit on the size of a file and you need to distribute files among nodes to prevent overruns.

Datasets r used to import the data in parallel jobs like odbc in server jobs
Source: CoolInterview.com

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