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Friday, April 9, 2010
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Installing Informatica PowerCenter In windows 7
Hi All installing the informatica power center on Windows 7( problems resolved) befoere clicking the setup right click on the setup-...
Simple senario with solution
I have the source table is Number 1 1 2 3 3 4 Target_unique Target_Duplicates 2 ...
Informatica Real Time Scenerios
Split the non-key columns to separate tables with key column in both Scenario 2: Split the non-key columns to separate t...
Dimensional Model
1. Facts 2. Fact Table 3. Dimension 4. Dimension Table
Naming Convention Quick Reference
Object Type Syntax Folder XXX_ Mapping m_fXY_ZZZ_ _x.x Session s_fXY_ZZZ_ _x.x Batch b_ Source Definition Target Definition Aggreg...
Have you done any Performance tuning in informatica?
1) Yes, One of my mapping was taking 3-4 hours to process 40 millions rows into staging table we don’t have any transformation inside ...
DataWarehousingFundamentals
DataWarehousingFundamentals
What is the difference between a primary key and a surrogate key?
A primary key is a special constraint on a column or set of columns. A primary key constraint ensures that the column(s) so designated hav...
How to Process multiple flat files to single target table through informatica if all files are same structure?
We can process all flat files through one mapping and one session using list file. First we need to create list file using unix script f...
What is your tuning approach if SQL query taking long time? Or how do u tune SQL query ?
If query taking long time then First will run the query in Explain Plan, The explain plan process stores data in the PLAN_TABLE. it will ...
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