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DataStage Interview Questions


DataStage Interview Questions

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Can anyone tel me how to use a file to fetch the parameter values for a parallel job in datastage as i don't want it to be hard coded.The format for the file shall be (name,value) pair. please help 
Latest Answer: In Datastage sequence, there is a stage named "UserVariable_Activity", this can use to fetch the parameter. Create a new user variable in the uservariable_activity stage and for the expression part of it, you can simply give your parameter ...
Read Answers (1) | Asked by : deepa_k

How do you you delete header and footer on the source sequential file and how do you create header and footer on target sequential file using datastage? 
Latest Answer: By using UNIX sed command we can delete header and footeri.e; for header     sed -n '1|p'and footer            sed -n '$|p' ...
Read Answers (2) | Asked by : srinivas

Latest Answer: 1. decrease usage of transformer stage.2. use sorted input for aggregator.3. Filter the data in source itself(if it is oracle database, write user def sql)4. use tunables tab in Administrator for cache memory, buffer size,...( if u have knowledge-- if ...
Read Answers (3) | Asked by : devasena

Latest Answer: can u explain with example(SCD2), i think this can solve real time guy but not meaning and definition. can any one take example and explain clearly. ...
Read Answers (3) | Asked by : vijay

Latest Answer: Used to run jobs from the command line, we can all use dsjobs to get log info about the job. ...

Latest Answer: use CDC, lookup, trasformer stages to impliment SCD2. In CDC just give the changed values and key column, then capture the changed records, in transformer just give the constraint for 0,1,2,3(del,insert,copy,updated data), u will get inserted data ...
Read Answers (2) | Asked by : rajesh

Latest Answer: Hash files are available only on DS-Server ...
Read Answers (3) | Asked by : Vasanth.K

Want to convert Char to timestamp in transformer stage. Can anybody please tell me what conversion function I need to put in derivation? 
View Question | Asked by : Sulogna

Latest Answer: In both stage create one extra port and assign the value of those port is 0 then join it.but best option is allready suggested that use Transformer stage and map required column. ...
Read Answers (3) | Asked by : Praveen

Latest Answer: Here in datastage there are some warnings and some fatal errors will come in the log file.  If there is any fatal error means the job got aborted but if there are any warnings are there means the job not aborts but we have to handle those warnings ...

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