What is full load & incremental or refresh load?
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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.
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
WHY CANT WE SEE THE DATA IN DATASET
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.
what are the production issues in datastage?
What are the differences between sql override and update override?
Eliminating of duplicate records without using dynamic lookups
What are the three tiers in etl?
how do u implement unconn.stored proc. in a mapping?
what are the data modeling tools you have used?(polaris)
Two default user groups created in the repository are____and_____.
diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture