Answer / sai suresh

surrogate key is an artificial key , it will generate
automatinclly in sequence it will act as a primary key when
the data is heighly denormalized.

Answer / shiva

surrogate key is a artificial key or system generated
key.when ever a primary key violation occurs,by using
sequence generator t/m we generate surrogate keys

Answer / reddy

surrgate key is not used for the bussiness

Answer / deepthi pathuri

A surrogate key in a data warehouse is more than just a
substitute for a natural key.

(OR)

A surrogate key is frequently a sequential number (e.g. a
Sybase "identity column") but doesn't have to be. Having
the key independent of all other columns insulates the
database relationships from changes in data values or
database design and guarantees uniqueness.

Answer / pradeep

surrogate key is an autogenerated sequence in data warehouse
acts as primary key as the data in warehouse is highly
denormalised form.

how can we convert a column into row in informatica? Eg: INPUT- a x Output Like: a b c b y x y z c z

3 Answers   CTS,

in unconnected lookup , what are the other transformations , that can be used in place of that expression transformation ?

9 Answers   Target,

On lookup on any table we can get only a)any value or b)last value but if i need both duplicate values How can i achieve?

3 Answers  

Scenario:-  Below is the requirement. Source:-  NAME          ID                    Requirement  RAVI            1                      (no need to repeat as it ID is 1) KUMAR        3                     (repeat 3 times as it ID is 3) John             4                     (repeat 4 times as it ID is 4) Required Out Put:- Name                   ID RAVI                     1                    KUMAR                3      KUMAR                3 KUMAR                3  John                     4 John                     4 John                     4 John                     4 Scenario 2:- Source Data  ID              NAME 1,2            NETEZZA,ORACLE 3,4,5         SQL Server, DB2, Teradata Required Output:-  ID                   NAME 1                  NETEZZA 1                  ORACLE 3                  SQL Server 3                  DB2 3                  Teradata

1 Answers   Cognizant,

following scenario empsal table i want who exist one lakshs sal above monthwise? ` empsal empid monthyear sal 1 jan2008 1000 2 march2009 50000 3 april2009 4000 4 feb2009 100000 5 jul2009 600000 6 dec 2008 90000

5 Answers   Wipro,

Hi Every One When i Start the Workflow, Table is Going to be Stored in the target database But the columns are not going to the target database table in my PC , please give me the solution and waiting for solution

2 Answers  

Performance tuning in UNIX for informatica mappings?

0 Answers   CGI, CTC,

Flat file heaving 1 lack records and I want to push 52000 records to the target?

7 Answers  

What is a grid in Informatica?

0 Answers  

What is difference between a gateway node and worker node?

0 Answers  

what is mapping optimization? wat are the techniques for tat

2 Answers  

What is exclusive and normal mode for repository services?

0 Answers