when we will use connected Lookup & Unconnected Lookup

Answers were Sorted based on User's Feedback



when we will use connected Lookup & Unconnected Lookup..

Answer / kiran

This Questions Related for Informatica not in Datastage.

Is This Answer Correct ?    10 Yes 0 No

when we will use connected Lookup & Unconnected Lookup..

Answer / kalyanreddy

This question is belongs to informatica...

Is This Answer Correct ?    5 Yes 0 No

when we will use connected Lookup & Unconnected Lookup..

Answer / jayanthi

In Datastage, the same can be expalained as Normal
(Connected)Lookup and Sparse(unconnected) lookup.

For sparse lookup
When the refrence data volume is huge and primary volume is
very less,you can pass the input records key columns to
match against reference in refrence table extraction query
where clause.

Is This Answer Correct ?    3 Yes 1 No

Post New Answer

More Data Stage Interview Questions

1.which index is follows the dimensions tables?why? 2.what is the use of trigger in job sequence? 3.what is the mean of optimization? 4.what is the job control?when we use it? what is difference bet batch and sequencer? 6.seq--->seq,seq--->copy--->seq which one is best and efficient?

1 Answers  


In Datastage, how you can fix the truncated data error?

0 Answers  


whats difference between ls -ltr and ls -lrt?

5 Answers   L&T,


when U have a remove dublicate option in sort stage, why we have a remove dublicate stage in PX, thought it is recamended to sort data before using a remove dublicate stage. I hae been thinking this from days....

4 Answers   Target,


How will you move hashed file from one location to another location?

0 Answers   NTT Data,






how can we extract data with out having any common column

7 Answers   IBM, Switch2iTech,


How to lode data in sequntional files perform faster?

1 Answers   Polaris,


Name the command line functions to import and export the DS jobs?

0 Answers  


What is the flow of loading data into fact & dimensional tables?

0 Answers  


Is there no issue when you try to convert a NOt null column in nullable and vice versa in aggregator styage and transformer stage? When I tried i got the warnings but in a running code I can see such type of scenarios. Please explain

2 Answers  


What is a merge?

0 Answers  


I have 2 Files like fileA fileB Output1 Output2 Output3 1 6 1 6 11 2 7 2 7 12 3 8 3 8 13 4 9 4 9 14 5 10 5 10 15 6 11 7 12 8 13 9 14 10 15 please let know

6 Answers  


Categories