wht target override?wht advantages it has compare to target
update?

Answers were Sorted based on User's Feedback



wht target override?wht advantages it has compare to target update?..

Answer / siva

Target Update (by using Update strategy) will work only
when we have the Primary key in Target. Update override
will happen based on this key.If we don't have the Pkey
Update override will not work.

To overcome the above issue..If our Target is not having
any key column or if we want to update the Target based on
a column other than PKey column then we need to go for
Target Update override option available in Target
properties.

Is This Answer Correct ?    8 Yes 1 No

wht target override?wht advantages it has compare to target update?..

Answer / rkumar.etl

when table is having huge amount of records and performance
is the key factor to implement the target overrride ..if we
use update override it will take more time than the target
override.

Is This Answer Correct ?    4 Yes 3 No

Post New Answer

More Informatica Interview Questions

What are set operators in Oracle

3 Answers   Deloitte, Wipro,


how may sources can be used in a mapping at a time?(limit)

6 Answers   IBM,


When we are using Dynamic Cache,which options we will select in session level?

1 Answers   Cognizant, CTS,


select * from emp where sal>(select min(sal) from emp) how to implement the same in informatica ?

5 Answers   Puma,


my source contain data like this eno ename phno 100 john 9989020508 101 ram 7246599999 i want to load the data into target is eno name phno 100 john (998)-9020-508 102 ram (724)-6599-999.

5 Answers   TCS,






TWO FLAT FILES ARE THERE , EACH HAVING NO MATCHING COLUMNS . HOW CAN U JOIN THESE TWO USING JOINER TRANSFORMATION ?

6 Answers   HP, TCS,


What is a surrogate key?Why we use it in a mapping?Pl give an example.

4 Answers   PCS,


In how many ways we can create ports?

0 Answers  


HOW DO YOU PARFORM INCREMENTAL LAOD ?

7 Answers   SAIC,


HOE DO U IMPLIMENT SCHEDULING IN INFORMATICA?

7 Answers   Patni, Wipro,


Informatica and datawarehousing courses in Pune?

2 Answers  


What are parallel querys and query hints?

1 Answers  


Categories