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Explain the difference between a data warehouse and a data mart?


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Source table ------------- ID NAME --- ------ 101 PANKAJ NULL KUMAR NULL MATHUR 102 JYOTI NULL SAXENA 103 SACHIN NULL TENDULKAR TARGET TABLE ------------- ID NAME --- ------- 101 PANKAJ KUMAR MATHUR 102 JYOTI SAXENA 103 SACHIN TENDULKAR IN ORACLE & INFORMATICA LEVEL HOW TO ACHIVE

2 Answers   Wipro,


If we have a two tables A & B A contain 10 records,B contain 20 records,what w'll b the o/p if we perform normal join,Master outer join,Detail outer join and Full Outer join how?

1 Answers   TCS,


What is hash partition?

1 Answers  


hi all, i have 1 flat file having 10 rows. like:- id name amt 100 a 100 200 b 200 100 n 300 400 p 3000 100 a 100 600 x 6000 Now i want to load half of this data into one flat file and remaining in other flat file.like :- flat file 1 id name amt 100 a 100 200 b 200 100 n 300 ---------------------- ---------------------- flat file 2 id name amt 400 p 3000 100 a 100 600 x 6000 Plz reply me ASAP.

10 Answers  


my source having the records like ram 3 sam 5 tom 8 and i want to load into target like ram record 3 times,sam record 5 times, tom record 8 times

3 Answers   Satyam,


When will u go for (which means situation) Connected Lookup and Connected Lookup? Pls explain with an example?

5 Answers  


which transformation should we use to get the 5th rank member from a table in informatica?can we achieve this in sql?

6 Answers   IBM,


i have an aggregater in my mapping and no group by port on any column and i ampassing 100 rows through aggregater,so how many rows i will get as out put from aggregater

5 Answers  


i have 2 mapings for this 2 mapings i want use only one lookupt/r how?

3 Answers   Wipro,


what is worklet and what use of worklet and in which situation we can use it?

4 Answers   Patni, TCS,


Write the unconnected lookup syntax and how to return more than one column.

0 Answers  


In Datastage, we have row generator stage to generate dummy row. Is there any such transformation in Informatica. Thanks in advance, Kumar

1 Answers  


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