why we are using surogate key in real time give me
explanation
Answers were Sorted based on User's Feedback
Answer / nagendra phani
SUROGATE KEY is used to generate a primary key. and it is
system generated number
| Is This Answer Correct ? | 4 Yes | 1 No |
Consider a Phone Log table as below. It records all phone numbers that we dial in a given day. SOURCE_PHONE_NUMBER DESTINATION_PHONE_NUMBER CALL_START_DATETIME 1234 4567 01/07/2011 10:00 1234 2345 01/07/2011 11:00 1234 3456 01/07/2011 12:00 1234 3456 01/07/2011 13:00 1234 4567 01/07/2011 15:00 1222 7890 01/07/2011 10:00 1222 7680 01/07/2011 12:00 1222 2345 01/07/2011 13:00 Please provide an SQL query to display the source_phone_number and a flag where the flag needs to be set to Y if first called number and last called number are the same and N if the first called number and last called number are different. Desired Output: Source Number Is_Match 1222 N 1234 Y
my source table having sureshraj42@gmail.com and rajeshraj42@gmail.com and i have only sureshraj and rajeshraj for my target table which transformation i have to use in informatica
How to configure mapping in informatica?
What are the new features of informatica 9.x developer?
What are the diffrences between joiner transformation and source qualifier transformation?
to improve the performance of aggregator we use sorted input option and use sorter t/r befor aggregator. But here we are increasing one more cache in our mapping i.e; sorter. So how can u convince that you are increasing the performance.?
how to run the batch using pmcmd command
Source is a flat file and want to load unique and duplicate records separately into two separate targets; right??
Why touse stored procedure in ETL Application?
i have a source with 100 records.i have 2 targets.in the first target i want to load first 50 records & in the second target i want to load next 50(or remaining) records.
there is a product table prodid prodname price 100 cinthol 10 101 hamam 10 102 neem 20 103 cake 30 in the above table the price of some products are duplicated and some product prices are distinct we want to push the duplicated prices to one target and non-duplicated prices to other target without using expression and sequence generator transformation
How to convert a row into column and a column into rows? Name all DTM threads. What all threads stop when we issue STOP or ABORT? How to pass the value of a data(variable kind of) from one session ( generated in mapping) to another session in the same workflow... What are the tyoes of partitioning you know and how to apply them in real time ... Can partitioning be applied to expression transformation and how