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Data Warehouse Interview Questions
Questions Answers Views Company eMail

How will you load you daily/monthly jobs datas in to Fact and Dimension table using datastage.

CTS,

1 3534

If i havee 3records in my source having same deptno like Deptid Deptno ------ ------ 101 10 201 10 301 10 and i am using router TR to loading these records into target.Then how many record'll be loaded into target???

Wipro,

5 11847

if reading an external file to produce an external file, what is the shortcut to write that record without coding every single variable on the record

HSBC,

4 10277

What is difference between 8.1 , 8.5 and 9.1 ?

IBM,

1 16263

Hi All, I have three question. 1) How to remove the header and footer in a flat file in informatica? 2)How to load the first and last record of flat file into the target? 3)I have a Input and Output table. Input Name Salaray Month A 100 Jan A 200 Feb A 300 March B 400 April B 500 May B 600 June Output Name Salaray Month A 100 Jan A 300 Feb A 600 March B 400 April B 900 May B 1500 June How to implement and get the ouput as mentioned above. If Possible kindly provide the SQL query also. Kindly any one help to implement this concept. Thanks, Pradeep

CSC, iNautix,

3 18613

Hi all, i have a requirement in Conditional drill through. I have a list report with Cities India, UK, USA, China, japan, Canada.... In the above cities i want to give Hyperlinks(Drill) for Only India & UK. Could you please send me the steps????

1 5511

Hi all, I have a list report with Country, City & Revenue. In the run time i want to hide the particular column. I have tried using Java script but i didn't get any out comes. Please any one share steps for me....

2 6262

How can we read latest records in a text file named file1.txt using seq file stage only? file1 having 100 records in that 5 record sare latest records.How can we read that latest records?

Caterpillar,

3 11987

delete data from staging table as it loads to target table.here is the case we are getting data from 3 different server.a b and c.the data from server A loaded into staging table and we ran the task and data loaded to target table.now today data from server B and C also got loaded to the staging table.now what techniques and what transformations should be used to delete only the data which has been loaded only to the target.we need to delete only that data from staging which has been loaded into the target.looking for your responses

Motorola,

2 6373

Why joiner transformation does not allow the aggregator transformation and expression transformation to join

2 10235

What is the Difference between Change capture stage and Difference Stage ? What are its significance individually ?

1 21670

how to do aggregation (year wise quantity ) using only source qualifier, the source is sql server date as datetime data type and target as flat file with year (string datatype)

Thomson,

1 2749

IF Sorce table contains CLOB as its one data type then i get error at the target table. How can this be resolve?

2 6701

I have one source table and three target tables. When the session runs for the first time involving the mapping,i want that the loading should take place in 1st Target table only. The 2nd time the same session runs the loading should take place in 2nd Target only only and similarly when the session runs for the 3rd time loading should take place in Third only. And again when the session runs for the 4th time loading should take place in 1st Target table.

Cap Gemini, IBM,

4 13533

what is set mapping in datastage??

ADP,

2 11316


Un-Answered Questions { Data Warehouse }

How to add default rules in transformer?

1279


What are the data types present in bo? What happens if we implement view in the designer and report?

1076


Hi, If any hav Informatica n DWH FAQ's,Plz do fwd to s.rajanikanth1980@gmail.com Thnx Vani

2340


Hi, If anyone has base SAS certification dumps, please share.

1932


hi, this is harish. i had finsihed cognos course recently.can some one help in the area of project explination, interview questions,real time scenarious....this is my maild id nanagupta907@gmail.com

1993


hi tell be about pfizer? how to compare the work with other companies ? please tell me how to login and work also?

2122


Explain scd type 3 through mapping.

1065


If I wanted to run a TPump job only once per day - basically working on a file that is produced once per day - how would you set up the parameters for that sort of job ?

2540


draw informatica architecture 8.6 ?

3939


Explain about a tricky situation for which you found a very simple solution?

1070


Write the unconnected lookup syntax?

1140


Demonstrate experience in maintaining quality process standards?

2659


Are you involved in writing the inferential analysis plan? Tables specifications?

4011


Have you have ever worked in unix environment and why it is useful in datastage?

1210


what are the data modeling tools you have used?(polaris)

2055