How can we create index after completion of load process?
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can we use self join in informaitca?
In a simple mapping when i use aggregate t/r with out any condition or group by, i am getting output as only last record in the table . can any one explain it please.........?
which one is better performance wise joiner or look up
I have 4 columns in a table say, name ,address, salary and city. So based on distinct city names, i need to combine the other data and send it to a flat file. Distinct city names can be 4 or 5 or 6. So it has to dynamically generate flat files(4 or 5 or 6) corresponding to the city names.
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My source table look like ID Name Location Salary 0000001 ran tpty 1000 0000002 ram DELHI 2000 hju-hji raj hyd 1000 my target table should be ID Name Location Salary 1 ran tpty 1000 2 ram DELHI 2000 hju-hji raj hyd 1000
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 handle changing source file counts in a mapping?
guys which is the best institute in banglore to learn informatica??
Teradata 
