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Can we create Hierarchies in generic datasources?
what is the difference steps for data modeling?
two sources S1,S2 containing measures M1,M2,M3, 4 dimensions D1,D2,D3,D4, 1 Fact F1 containing measures M1,M2,M3 and surrogate keys K1,K2,K3,K4 (a) write a sql statement to populate Fact table F1 (b) Design a mapping in Informatica for loading of fact table F1.
what is the meaning of upgradation of Repository?
State the differences between shortcut and reusable transformation
What do you understand by active and passive transformations?
what is the difference between cardinality and Nullability?
What is lookup table in etl testing?
if i have a query as flat file how can we load data to target table
What are snapshots?
Hi, I've a mapping with flat file source The target update override property for the target table is using update stmt. There is no update strategy between source and target. Also The session has the target properties as Insert , Update as update options checked. Does this mean that recs will be inserted only and the update override will not be applied at all. Thanks
Do we need an etl tool?
explain the methodology of Data Warehousing?(Polaries)
what is Forward,Reverse and Re_engineering?
give detail on the sales project how many number of dimensions & fact tables are used in projec briefly. how the four fact tables taken in the project.
