Aggregator Meaning In Banking

Understanding aggregator meaning in banking requires examining multiple perspectives and considerations. How to take a record based on MAX value of a column. Will using an aggregator transformation and using Group By Order & using expression in aggregator as MAX (Version) work in this case? I know it will return only the row where Version is 2 but will it always show the correct Date? How to remove duplicates in Flat files.

> We can use ' Distinct ' property in Sorter Transformation to eliminate records from flat file or relational sources, but we can't use source qualifier SQL override for flat files. > But If you select the Disctinct option in Sorter, all the ports will consider as key ports. > Put one Aggregator and select the Group By for one column. > You can also use unix command i.e. This perspective suggests that, working of Sorter before Aggregator?.

It's important to note that, hi , Sorted input reduces the amount of data cached during the session and improves session performance.so working of sorter before aggregator is a best practice. Aggregator - GroupBy - Informatica. Aggregator - GroupBy In an aggregator, if you do NOT have 'Sorted Input' selected and input to the aggregator is not sorted, will the output from the aggregator be ordered (sorted) by the 'GroupBy' ports?

How to Load First and Last records from Flatfile source.... Prad.Kann 10 years ago I found using the last function along with aggregator and joiner helps to identify the last record. I created two source definition reading from the same file. Additionally, the first source reads all the records but after the second source I have added a aggregator to pass the last line using the LAST function.

Aggregator transformation without selecting group by clause!!. If we ignore to select group by clause in an aggregator transformation ,what will be the output? Building on this, aggregator outputs last row - Informatica. Aggregator outputs last row Hi, I was asked a question on aggregator transformation that I didn't know answer for so I thought I will ask here to see if someone can help.

Why aggregator outputs last row when you do not select any groupby port. Building on this, what is the logic behind this? This was the exact question asked. Use Aggregator or Sorter for distinct rows? Expand Post Digv.Bhos 11 years ago Hi Prasanna, I think in this scenario we should use sorted to get distinct records.Because to get distinct data from aggregator we need to select all ports as a groupby.

So aggregrator will take some time Thanks, Digvijay Anil.Borr 11 years ago hi, use Sorter for Distinct and use Aggregator for Groupby. Aggregator - sorted input. Informatica itself and user base always recommend to use Sorter and then use Aggregator transformation with sorted input to achieve good performance. I would like to know why, technically. If, sorted input is not given, Aggregator, anyway, does the sorting and then aggregating.