Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


What are the prerequisites for join stage

Answers were Sorted based on User's Feedback



What are the prerequisites for join stage..

Answer / niti

data should be hash partitioned & sorted.. :)

Is This Answer Correct ?    6 Yes 0 No

What are the prerequisites for join stage..

Answer / shar

1.Inputs as left right and intermediate links(files).
2.can do left outer,right outer,inner join and full outer join
3.N inputs for left,right and inner but 2 inputs for full outer.
4.Inputs should be sorted and partitioned for better
performance.
5.Removing duplicates is optional as join operation is
highly optimized which sequential and less i/o and less page
faults.
6.Memory requirements are comparatively less than Lookup stage.
7.In join key columns names should be same in primary and
secondary datasets.

Is This Answer Correct ?    0 Yes 0 No

Post New Answer

More Data Stage Interview Questions

i have a job with 3 possibiliies finish with ststus ok abbort warning how do you handle these 3 in job sequence? explain the situation where you have appiled scd in your project? chandu

0 Answers  


On which Dimension Table you implemented SCD Type in your Project

0 Answers  


How to read multiple files using a single datastage job if files have the same metadata?

0 Answers  


Explain the situation where you have applied SCD in your project?

0 Answers  


Please explain me the difference between 3 types of slowly changing dimension in datawarehousing?

3 Answers   TCS,


explain how to create SCD-2 IN DATASTAGE 7.5X2 PLZ EXPLAIN WITH 4 OR 5 RECORDS TAKE IT EXAMPLE AND JOB DESINGN URGENT

3 Answers   IBM, Polaris,


In my source i have 10 records but i want 11 records in target. How can i acheive this in Server jobs.

2 Answers   IBM,


source file having the data like aabbccc, i want target file result like a1a2b1b2c1c2c3.

2 Answers  


Unix command to view the data in a dataset

2 Answers   IBM,


what are the errors,warnings in datastage

0 Answers   Syntel, Wipro,


I have 100 records how can I load at a time from the single time

1 Answers  


Explaine the implimentation of scd's in ds indetail, please send me step by step procedure to perform scd's 1,2,3. Please replay for this, Thanks in advance

0 Answers  


Categories