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Prepare for your DataStage interview with our comprehensive Q&A session, featuring the top 50 questions you need to know. Whether you're a fresh candidate or an experienced professional, our video covers essential topics to help you excel in your DataStage interview. Elevate your knowledge, build confidence, and impress potential employers.

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DataStage Interview Questions and Answers :

1) Define Data Stage?
2) Explain how a source file is populated?
3) Name the command line functions to import and export the DS jobs?
4) What is the difference between Datastage 7.5 and 7.0?
5) In Datastage, how you can fix the truncated data error?
6) Define Merge?
7) Differentiate between data file and descriptor file?
8) Differentiate between datastage and informatica?
9) Define Routines and their types?
10) How can you write parallel routines in datastage PX?
11) What is the method of removing duplicates, without the remove duplicate stage?
12) What steps should be taken to improve Datastage jobs?
13) Differentiate between Join, Merge and Lookup stage?
14) Explain Quality stage?
15) Define Job control?
16) Differentiate between Symmetric Multiprocessing and Massive Parallel Processing?
17) What are the steps required to kill the job in Datastage?
18) Differentiate between validated and Compiled in the Datastage?
19) How to manage date conversion in Datastage?
20) Why do we use exception activity in Datastage?
21) Define APT_CONFIG in Datastage?
22) Name the different types of Lookups in Datastage?
23) How a server job can be converted to a parallel job?
24) Define Repository tables in Datastage?
25) Define OConv () and IConv () functions in Datastage?
26) Explain Usage Analysis in Datastage?
27) How do you find the number of rows in a sequential file?
28) Differentiate between Hash file and Sequential file?
29) How to clean the Datastage repository?
30) How a routine is called in Datastage job?
31) Differentiate between Operational Datastage (ODS) and Data warehouse?
32) NLS stands for what in Datastage?
33) Can you explain how could anyone drop the index before loading the data in target in Datastage?
34) Does Datastage support slowly changing dimensions ?
35) How can one find bugs in job sequence?
36) How complex jobs are implemented in Datstage to improve performance?
37) Name the third party tools that can be used in Datastage?
38) Define Project in Datastage?
39) How many types of hash files are there?
40) Define Meta Stage?
41) Have you have ever worked in UNIX environment and why it is useful in Datastage?
42) Differentiate between Datastage and Datastage TX?
43) What is size of a transaction and an array means in a Datastage?
44) How many types of views are there in a Datastage Director?
45) Why we use surrogate key?
46) How rejected rows are managed in Datastage?
47) Differentiate between ODBC and DRS stage?
48) Define Orabulk and BCP stages?
49) Define DS Designer?
50) Why do we use Link Partitioner and Link Collector in Datastage?