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Zensar Informatica Interview Questions

Questions Answers Views Company eMail

What are the associated ports in look up T/R.

5 25376

Is there any model difference between ODS and DWH

2 7195

Hi I have two sources like A, B. My source A contain 10000 million records from that i need 20 attributes. My source B has also same 10000 million records from that i need only 1 attribute. By using Joiner i have to load into target? Is there any issue regarding this? if issue is there how to tune this mapping in best way?

2 6648

What is the grain level in DWH? If i have year to day. what is the grain level of DWH from year to day.

1 7024

How you count the number of records available at your source?

3 14175

my source has 2 columns. 1st column data: ABC ABC ABC XYZ and 2nd column data: 1 2 3 4. And my target should be ABC 1 2 3, XYZ 4

2 7019

can any one give some examples for pre sql and post sql(Except dropping and creating index).

4039

What happens if we dont select data driven option?

2 7521

how we can add header and footer to flat files?

2 15091

how can we find the bottle neck in SQL Query in SOURCE QUALIFIER, and how can we tune it..?

2 6915

What are the disadvantages of Sequence Generator T/R?

3 16325

Can we insert ,update ,delete in target tables with one update strategy tran.?

2 11309

why we use materialized view over view?

1 5194

can session assigned multiple mappings or not?

2 8002

what is hash table in informatica?

1 7007

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Zensar Informatica Interview Questions (17)

Un-Answered Questions

how can i apply for summer training course at Artech India Pvt Ltd.also i want to know the mail id and contact no of this company.how can i get that?

2177

What is unix port?

992

What is malloc() function?

1100

Table 1: col1 Timestamp ---------------- 01-mar-2012 11:12:46 Table 2: col2 Timestamp -------------------- 01-mar-2012 11:12:10 01-mar-2012 11:11:23 Write a query to display a row with table2 col2 value less than tabl1 col1 value. Maximum timestamp value previous to table1 col1 value. Display a result as: Col1 col2 ----- ----- 01-mar-2012 11:12:46 01-mar-2012 11:12:10

2072

What is tagging?

856

What are pressure transducers?

1104

What is the quickest way to fetch the data from a table?

1001

Is c# easier than javascript?

928

Can an mdb be a message producer or both a producer and consumer? : BEA Weblogic

864

How to solve this error "User Operation is waiting for publishing Apache Geronimo v2.0 server at localhost....to complete

3682

How do I unregister a dll in windows 10?

789

What is pack in python?

788

What do you mean by ejbdoclet?

1004

Explain the system log?

1031

what is next step after mapper or maptask?

386